NSToolKit
NSToolKit
free network tools

DNS records for claude.ai

Findings

  • [INFO] An SPF record is published but no MX records are present. This is normal for send-only domains but worth confirming if you expect to receive mail.

A records

[
  {
    "type": "A",
    "value": "160.79.104.10"
  }
]

AAAA records

[
  {
    "type": "AAAA",
    "value": "2607:6bc0::10"
  }
]

NS records

[
  {
    "type": "NS",
    "value": "isla.ns.cloudflare.com"
  },
  {
    "type": "NS",
    "value": "randy.ns.cloudflare.com"
  }
]

TXT records

[
  {
    "type": "TXT",
    "entries": [
      "v=spf1 -all"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "_4h91g65hky8g6rbfx22rpfu4pprn1v3"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=YPYhXirYOvYGGQtAypqom1k-1KMXKHeWbxKgw60bDfo"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=iDyYpE6uHVggWrWzK-MEosRSp7XUE7wqBLGX0Ua71Pc"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=NISbSmcIQumvbPjLbYAhRmzrx1LSAhRMH6XVaKTWxe0"
    ]
  }
]

SOA records

[
  {
    "type": "SOA",
    "nsname": "isla.ns.cloudflare.com",
    "hostmaster": "dns.cloudflare.com",
    "serial": 2404349018,
    "refresh": 10000,
    "retry": 2400,
    "expire": 604800,
    "minttl": 1800
  }
]

What does this mean?

These records are pulled live from authoritative DNS at request time and re-validated daily. Use them to debug routing, deliverability, and TLS issues for claude.ai.

Related tools: DNS Lookup · SPF Checker · DMARC Lookup