migrated to linode dns
Ricard Illa
parent
443e5b2f77
commit
ca049cfd79
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@ -1,66 +1,20 @@
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// Important:
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// Due to API restrictions, SRV and Dynamic DNS Records can't be created with
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// terraform, so I need to use `MERGE` mode and set those manually on the
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// namecheap web UI
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// https://registry.terraform.io/providers/namecheap/namecheap/latest/docs
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//
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// - SRV Record:
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// service: _matrix
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// protocol: _tcp
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// priority: 0
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// weight: 10
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// port: 443
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// target: matrix.monotremata.xyz
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// TTL: 30 min
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//
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// - SRV Record:
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// service: _xmpp-client
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// protocol: _tcp
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// priority: 5
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// weight: 0
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// port: 5222
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// target: xmpp.monotremata.xyz
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// TTL: 30 min
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//
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// - SRV Record:
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// service: _xmpp-server
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// protocol: _tcp
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// priority: 5
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// weight: 0
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// port: 5269
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// target: xmpp.monotremata.xyz
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// TTL: 30 min
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//
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// - A + Dynamic DNS Record:
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// host: wg
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//
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// I also enable DNSSEC from the web UI, because I can't do that with
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// terraform...
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# todo:
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# I am also creating the subdomain `wg.monotremata.xyz` manually
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# I decided to manage that subdomain outside of terraform because it has a
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# dynamic IP that I update with a cron job
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locals {
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domain = "monotremata.xyz"
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variable "hosts" {
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default = {
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// Alpine VPS hosted on Linode
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caladan = {
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v4 = "139.162.137.29"
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v6 = "2a01:7e01::f03c:92ff:fea2:5d7c"
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}
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// OpenBSD VPS hosted on Vultr
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fugu = {
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v4 = "217.69.5.52"
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v6 = "2001:19f0:6801:1d34:5400:03ff:fe18:7588"
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}
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}
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}
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// These are subdomains for services hosted on the host named `caladan`.
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// Both A and AAAA records should be made for them pointing to caladan's ipv4
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// and ipv6 respectively
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variable "caladan-subdomains" {
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type = set(string)
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default = [
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"@",
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ipv4 = "139.162.137.29"
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ipv6 = "2a01:7e01::f03c:92ff:fea2:5d7c"
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// These are subdomains for services hosted on the host named `caladan`.
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// Both A and AAAA records should be made for them pointing to caladan's ipv4
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// and ipv6 respectively
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domains = toset([
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local.domain,
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"git",
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"gts",
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"kb",
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@ -73,17 +27,23 @@ variable "caladan-subdomains" {
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"proxy.xmpp",
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"upload.xmpp",
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"groups.xmpp",
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]
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}
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])
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}
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// These are subdomains for services hosted on the host named `narwhal`.
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// They are only accessible from my internal network and my internal DNS server
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// takes care of that.
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// But I set the public A record to caladan's ipv4 just for renewing their
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// letsencrypt certificates. No need to set the AAAA record.
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variable "narwhal-subdomains" {
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type = set(string)
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default = [
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// OpenBSD VPS hosted on Vultr
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fugu = {
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ipv4 = "217.69.5.52"
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ipv6 = "2001:19f0:6801:1d34:5400:03ff:fe18:7588"
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}
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// ODROID-HC4 serving as a NAS
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narwhal = {
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// These are subdomains for services hosted on the host named `narwhal`.
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// They are only accessible from my internal network and my internal DNS server
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// takes care of that.
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// But I set the public A record to caladan's ipv4 just for renewing their
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// letsencrypt certificates. No need to set the AAAA record.
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domains = toset([
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"authelia",
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"calibre",
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"dav",
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@ -111,106 +71,176 @@ variable "narwhal-subdomains" {
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"transmission",
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"wallabag",
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"woodpecker",
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]
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}
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])
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}
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// These are subdomains for services hosted on the host named `sloth`.
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// They are only accessible from my internal network and my internal DNS server
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// takes care of that.
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// But I set the public A record to caladan's ipv4 just for renewing their
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// letsencrypt certificates. No need to set the AAAA record.
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variable "sloth-subdomains" {
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type = set(string)
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default = [
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// Raspberry Pi 4 serving as a media center
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sloth = {
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// These are subdomains for services hosted on the host named `sloth`.
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// They are only accessible from my internal network and my internal DNS server
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// takes care of that.
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// But I set the public A record to caladan's ipv4 just for renewing their
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// letsencrypt certificates. No need to set the AAAA record.
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domains = toset([
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"kodi",
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"mympd",
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"snapweb",
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])
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}
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dkim_pub_key = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3dRTQXNdRNKjM/hnTIQ9d6h4qr7hDkoo3D8ySrV4tEcOC9cCD5fWiUzc560GuWPW5nm/VCDt6gHTGbkwsU/ULO+mjKJtvhZtEJnO4WqVG9Hr2whypODkGM9FSwh0yaWV96OJd51upsNRD/S5fKDMRcl09aBYe2rsn/877re/M0wIDAQAB"
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}
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resource "namecheap_domain_records" "namecheap-monotremata-xyz" {
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domain = "monotremata.xyz"
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mode = "OVERWRITE"
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nameservers = [
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"ns1.linode.com",
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"ns2.linode.com",
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"ns3.linode.com",
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"ns4.linode.com",
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"ns5.linode.com"
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]
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}
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resource "namecheap_domain_records" "monotremata-xyz" {
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domain = "monotremata.xyz"
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mode = "MERGE"
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email_type = "MX"
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dynamic "record" {
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for_each = var.caladan-subdomains
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content {
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hostname = record.value
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type = "A"
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address = var.hosts.caladan.v4
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}
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}
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dynamic "record" {
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for_each = var.narwhal-subdomains
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content {
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hostname = record.value
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type = "A"
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address = var.hosts.caladan.v4
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}
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}
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dynamic "record" {
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for_each = var.sloth-subdomains
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content {
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hostname = record.value
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type = "A"
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address = var.hosts.caladan.v4
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}
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}
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dynamic "record" {
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for_each = var.caladan-subdomains
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content {
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hostname = record.value
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type = "AAAA"
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address = var.hosts.caladan.v6
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}
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}
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record {
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hostname = "mail"
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type = "A"
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address = var.hosts.fugu.v4
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}
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record {
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hostname = "mail"
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type = "AAAA"
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address = var.hosts.fugu.v6
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}
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record {
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hostname = "@"
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type = "MX"
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address = "mail.monotremata.xyz"
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mx_pref = 0
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}
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record {
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hostname = "@"
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type = "MX"
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address = "mx2.monotremata.xyz"
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mx_pref = 5
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}
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record {
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hostname = "@"
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type = "TXT"
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address = "v=spf1 mx -all"
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}
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record {
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hostname = "_dmarc"
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type = "TXT"
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address = "v=DMARC1;p=quarantine;pct=100;rua=mailto:postmaster@monotremata.xyz;;"
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}
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record {
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hostname = "20201210._domainkey"
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type = "TXT"
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address = "v=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3dRTQXNdRNKjM/hnTIQ9d6h4qr7hDkoo3D8ySrV4tEcOC9cCD5fWiUzc560GuWPW5nm/VCDt6gHTGbkwsU/ULO+mjKJtvhZtEJnO4WqVG9Hr2whypODkGM9FSwh0yaWV96OJd51upsNRD/S5fKDMRcl09aBYe2rsn/877re/M0wIDAQAB;"
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}
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resource "linode_domain" "monotremata_xyz" {
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type = "master"
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domain = local.domain
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soa_email = format("admin@%s", local.domain)
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}
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resource "linode_domain_record" "caladan_a" {
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domain_id = linode_domain.monotremata_xyz.id
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name = each.key
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record_type = "A"
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target = local.caladan.ipv4
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for_each = local.caladan.domains
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}
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resource "linode_domain_record" "caladan_aaaa" {
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domain_id = linode_domain.monotremata_xyz.id
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name = each.key
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record_type = "AAAA"
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target = local.caladan.ipv6
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for_each = local.caladan.domains
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}
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resource "linode_domain_record" "narwhal_a" {
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domain_id = linode_domain.monotremata_xyz.id
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name = each.key
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record_type = "A"
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target = local.caladan.ipv4
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for_each = local.narwhal.domains
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}
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resource "linode_domain_record" "sloth_a" {
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domain_id = linode_domain.monotremata_xyz.id
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name = each.key
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record_type = "A"
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target = local.caladan.ipv4
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for_each = local.sloth.domains
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}
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resource "linode_domain_record" "mx" {
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domain_id = linode_domain.monotremata_xyz.id
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name = each.value.name
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target = each.value.target
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record_type = each.key
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priority = each.value.priority
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for_each = {
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A = {
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name = "mail"
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target = local.fugu.ipv4
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priority = null
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}
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AAAA = {
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name = "mail"
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target = local.fugu.ipv6
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priority = null
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}
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MX = {
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name = local.domain,
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target = format("mail.%s", local.domain)
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priority = 0
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}
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}
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}
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resource "linode_domain_record" "mx2" {
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domain_id = linode_domain.monotremata_xyz.id
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name = each.value.name
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target = each.value.target
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record_type = each.key
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priority = each.value.priority
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for_each = {
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A = {
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name = "mx2"
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target = local.caladan.ipv4
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priority = null
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}
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AAAA = {
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name = "mx2"
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target = local.caladan.ipv6
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priority = null
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}
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MX = {
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name = local.domain
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target = format("mx2.%s", local.domain)
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priority = 5
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}
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}
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}
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resource "linode_domain_record" "mail_txt" {
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domain_id = linode_domain.monotremata_xyz.id
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record_type = "TXT"
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name = each.value.name
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target = each.value.target
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for_each = {
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spf = {
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name = local.domain
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target = "v=spf1 mx -all"
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}
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dmarc = {
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name = "_dmarc"
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target = format("v=DMARC1;p=quarantine;pct=100;rua=mailto:postmaster@%s;;", local.domain)
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}
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dkim = {
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name = "20201210._domainkey"
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target = format("v=DKIM1;k=rsa;p=%s;", local.dkim_pub_key)
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}
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}
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}
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resource "linode_domain_record" "matrix_srv" {
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domain_id = linode_domain.monotremata_xyz.id
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record_type = "SRV"
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service = "matrix"
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protocol = "tcp"
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priority = 0
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weight = 10
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port = 443
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target = format("matrix.%s", local.domain)
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ttl_sec = 1800 // 30 min
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}
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resource "linode_domain_record" "xmpp_srv" {
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domain_id = linode_domain.monotremata_xyz.id
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record_type = "SRV"
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service = each.key
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protocol = "tcp"
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port = each.value.port
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priority = 5
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weight = 0
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target = format("xmpp.%s", local.domain)
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ttl_sec = 1800 // 30 min
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for_each = {
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xmpp-client = {
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port = 5222
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}
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xmpp-server = {
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port = 5269
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}
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}
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}
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