DNS records for mozilla.org

A records

[
  {
    "type": "A",
    "value": "35.190.14.201"
  }
]

AAAA records

[
  {
    "type": "AAAA",
    "value": "2600:1901:0:c197::"
  }
]

MX records

[
  {
    "type": "MX",
    "exchange": "aspmx3.googlemail.com",
    "priority": 10
  },
  {
    "type": "MX",
    "exchange": "alt2.aspmx.l.google.com",
    "priority": 5
  },
  {
    "type": "MX",
    "exchange": "aspmx.l.google.com",
    "priority": 1
  },
  {
    "type": "MX",
    "exchange": "alt1.aspmx.l.google.com",
    "priority": 5
  }
]

NS records

[
  {
    "type": "NS",
    "value": "ns1-240.akam.net"
  },
  {
    "type": "NS",
    "value": "ns7-66.akam.net"
  },
  {
    "type": "NS",
    "value": "ns4-64.akam.net"
  },
  {
    "type": "NS",
    "value": "ns5-65.akam.net"
  }
]

TXT records

[
  {
    "type": "TXT",
    "entries": [
      "anthropic-domain-verification-w5rph5=bZ2V4N0ps4oFSU6yrv4DfD6nA"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=Ep3NdzNxaf8Vl48dniNneaqm7JcWUiy3GjKS0wx5zQw"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "_zojr3c56nq36tokzhnj9crit28tiqly"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=mU3ta-ZJga-aCNg7IlaRaGYK9sDOMagHRNGVW1FSJGE"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "ZOOM_verify_lGxIzL49Id7PipUgDgTd9K"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=z68pON7CWSaZu_sBqDQofmDL19OVp3krGEjaDl7cSaU"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "yandex-verification"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "openai-domain-verification=dv-J6NgbJamHFrHSyNqlhElIX5K"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "rz8t7zvjv5frpfbjs3y5n6g5tkw7gt2q"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=Brpe3hQpo9FlGIHMtK4ViKL60L0G8VM16nXopwVDoEU"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "MS=ms14343235"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=Lo_B34AJAe70BQVNF1Fo1zGGJudPmw9bLTnP2C8lV-s"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:_spf.mozilla.com include:_spf.google.com include:spf.fundraiseup.com ~all"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "bzbkzkxj2ws8gvtw6hpssfy7lv9kym88"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=E1vBHtOW-D9IlAj-pbRM-8PrOSiPDT48lrwRlW82ysw"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=S3M17z96OKfZJ2dq7mYqQDfRWsEVjy3hdxaSyB72YPc"
    ]
  }
]

SOA records

[
  {
    "type": "SOA",
    "nsname": "infoblox1.private.mdc1.mozilla.com",
    "hostmaster": "hostmaster.mozilla.com",
    "serial": 2024020748,
    "refresh": 180,
    "retry": 180,
    "expire": 1209600,
    "minttl": 60
  }
]

CAA records

[
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "digicert.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "amazon.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "letsencrypt.org"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "iodef",
    "value": "mailto:[email protected]"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "amazontrust.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "certainly.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "comodoca.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "awstrust.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "amazonaws.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "pki.goog"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "sectigo.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 mozilla.org.

Related tools: DNS Lookup · SPF Checker · DMARC Lookup