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+#+TITLE: dnsupdate
+
+Utility to update the managed zone for =fcuny.xyz= in Google Cloud DNS.
+
+I use the domain =fcuny.xyz= to run a number of services on an IP provided by Tailscale. I don't want these domains to be visible on the web, but I also want to have a valid HTTPS certificate for them. By having a proper DNS I can use ACME to get the certificates, without making them available.
+
+Instead of updating the subdomains through the [[https://console.cloud.google.com/net-services/dns/zones/fcuny-xyz/details?project=fcuny-homelab][console]], I can now run this program.
+
+* Run
+To update the records, run =nix run .#tools.dnsupdate.push=.