❯ nix eval .#dns --json | jq
{
  "domains": {
    "nixos-cuda": {
      "dnsProvider": "hetzner_v2",
      "domain": "nixos-cuda.org",
      "records": [
        {
          "address": "185.199.108.153",
          "label": "@",
          "type": "a"
        },
        {
          "address": "185.199.109.153",
          "label": "@",
          "type": "a"
        },
        {
          "address": "185.199.110.153",
          "label": "@",
          "type": "a"
        },
        {
          "address": "185.199.111.153",
          "label": "@",
          "type": "a"
        },
        {
          "address": "144.76.101.55",
          "label": "ada",
          "type": "a"
        },
        {
          "address": "95.216.20.88",
          "label": "atlas",
          "type": "a"
        },
        {
          "address": "37.27.129.22",
          "label": "hydra",
          "type": "a"
        },
        {
          "address": "2a01:4f9:3071:1108::1",
          "label": "hydra",
          "type": "aaaa"
        },
        {
          "address": "45.154.216.118",
          "label": "oxide-1",
          "type": "a"
        },
        {
          "address": "95.216.72.164",
          "label": "pascal",
          "type": "a"
        },
        {
          "label": "www",
          "target": "@",
          "type": "cname"
        },
        {
          "label": "cache",
          "target": "hydra",
          "type": "cname"
        },
        {
          "label": "grafana",
          "target": "hydra",
          "type": "cname"
        }
      ],
      "registrar": "none"
    }
  },
  "outputs": {
    "config": "// nixos-cuda\nD(\"nixos-cuda.org\",\nNewRegistrar(\"none\"),\nDnsProvider(NewDnsProvider(\"hetzner_v2\")),\nPURGE,\nA(\"@\", \"185.199.108.153\"),\nA(\"@\", \"185.199.109.153\"),\nA(\"@\", \"185.199.110.153\"),\nA(\"@\", \"185.199.111.153\"),\nA(\"ada\", \"144.76.101.55\"),\nA(\"atlas\", \"95.216.20.88\"),\nA(\"hydra\", \"37.27.129.22\"),\nAAAA(\"hydra\", \"2a01:4f9:3071:1108::1\"),\nA(\"oxide-1\", \"45.154.216.118\"),\nA(\"pascal\", \"95.216.72.164\"),\nCNAME(\"www\", \"@\"),\nCNAME(\"cache\", \"hydra\"),\nCNAME(\"grafana\", \"hydra\"))",
    "creds": "! sops decrypt --extract \"['dns-creds']\" /nix/store/r1vznya21dycgk664f6x0pqn3qmwlws0-source/.secrets.yaml"
  },
  "settings": {
    "sops": {
      "extractString": "['dns-creds']",
      "file": "/nix/store/r1vznya21dycgk664f6x0pqn3qmwlws0-source/.secrets.yaml"
    }
  }
}

❯ host  hydra.nixos-cuda.org 
hydra.nixos-cuda.org has address 37.27.129.22

Extremely alpha software (new and exciting bugs).