DNS records for w3.org

A records

[
  {
    "type": "A",
    "value": "104.18.23.19"
  },
  {
    "type": "A",
    "value": "104.18.22.19"
  }
]

AAAA records

[
  {
    "type": "AAAA",
    "value": "2606:4700::6812:1713"
  },
  {
    "type": "AAAA",
    "value": "2606:4700::6812:1613"
  }
]

MX records

[
  {
    "type": "MX",
    "exchange": "puck.w3.org",
    "priority": 5
  },
  {
    "type": "MX",
    "exchange": "pan.w3.org",
    "priority": 5
  }
]

NS records

[
  {
    "type": "NS",
    "value": "pranab.ns.cloudflare.com"
  },
  {
    "type": "NS",
    "value": "jamie.ns.cloudflare.com"
  }
]

TXT records

[
  {
    "type": "TXT",
    "entries": [
      "853C844562"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=dS4IjfXgopxupUFDAqg3wk94IIZ2GuQ-jW4wiLm69Rg"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "ca3-d6556337888945edac9c159a068c46a2"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=CZkSL9bXgKDxRmeDnAQorwhaQy3Ji1vTn36bBn5rL-E"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=5TpwKtmzdpa5fntQgKHY96mTJ3FiSn9fGp07XKxFsMk"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "v=spf1 mx ip4:34.238.48.92 ip4:34.199.101.240 ip6:2600:1f18:7d7a:2700::/56 include:_spf.google.com ~all"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=cu9dn6ytlndLOV87MLxedTHxoKTRKk0dUf_jXK8OsTc"
    ]
  }
]

SOA records

[
  {
    "type": "SOA",
    "nsname": "jamie.ns.cloudflare.com",
    "hostmaster": "dns.cloudflare.com",
    "serial": 2404194132,
    "refresh": 10000,
    "retry": 2400,
    "expire": 604800,
    "minttl": 1800
  }
]

CAA records

[
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issuewild",
    "value": "ssl.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "letsencrypt.org"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issuewild",
    "value": "letsencrypt.org"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "amazon.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issuewild",
    "value": "comodoca.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issuewild",
    "value": "digicert.com; cansignhttpexchanges=yes"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "pki.goog; cansignhttpexchanges=yes"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "iodef",
    "value": "mailto:[email protected]"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issuewild",
    "value": "pki.goog; cansignhttpexchanges=yes"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "comodoca.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issuewild",
    "value": "sectigo.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "digicert.com; cansignhttpexchanges=yes"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "sectigo.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "ssl.com"
  }
]

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 w3.org.

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