DNS records for github.com

A records

[
  {
    "type": "A",
    "value": "140.82.116.3"
  }
]

MX records

[
  {
    "type": "MX",
    "exchange": "github-com.mail.protection.outlook.com",
    "priority": 0
  }
]

NS records

[
  {
    "type": "NS",
    "value": "ns-1283.awsdns-32.org"
  },
  {
    "type": "NS",
    "value": "ns-421.awsdns-52.com"
  },
  {
    "type": "NS",
    "value": "dns2.p08.nsone.net"
  },
  {
    "type": "NS",
    "value": "dns4.p08.nsone.net"
  },
  {
    "type": "NS",
    "value": "dns1.p08.nsone.net"
  },
  {
    "type": "NS",
    "value": "ns-1707.awsdns-21.co.uk"
  },
  {
    "type": "NS",
    "value": "dns3.p08.nsone.net"
  },
  {
    "type": "NS",
    "value": "ns-520.awsdns-01.net"
  }
]

TXT records

[
  {
    "type": "TXT",
    "entries": [
      "facebook-domain-verification=39xu4jzl7roi7x0n93ldkxjiaarx50"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "MS=6BF03E6AF5CB689E315FB6199603BABF2C88D805"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "stripe-verification=f88ef17321660a01bab1660454192e014defa29ba7b8de9633c69d6b4912217f"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=82Le34Flgtd15ojYhHlGF_6g72muSjamlMVThBOJpks"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "loom-site-verification=f3787154f1154b7880e720a511ea664d"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "MS=ms58704441"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "miro-verification=d2e174fdb00c71e0bcf58f8e58c3da2dd80dcfa9"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=UTM-3akMgubp6tQtgEuAkYNYLyYAvpTnnSrDMWoDR3o"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "jamf-site-verification=XtaPNIYghF_e_xRDI8CjgQ"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "apple-domain-verification=RyQhdzTl6Z6x8ZP4"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "docusign=087098e3-3d46-47b7-9b4e-8a23028154cd"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "00Dd0000000hHE0=1TBKg000000TN2r"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "atlassian-domain-verification=jjgw98AKv2aeoYFxiL/VFaoyPkn3undEssTRuMg6C/3Fp/iqhkV4HVV7WjYlVeF8"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "adobe-idp-site-verification=b92c9e999aef825edc36e0a3d847d2dbad5b2fc0e05c79ddd7a16139b48ecf4b"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "shopify-verification-code=t1YPwcmvnxZyBycaCpk1MPyWoFs72o"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "krisp-domain-verification=ZlyiK7XLhnaoUQb2hpak1PLY7dFkl1WE"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "calendly-site-verification=at0DQARi7IZvJtXQAWhMqpmIzpvoBNF7aam5VKKxP"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "v=spf1 ip4:192.30.252.0/22 include:spf.protection.outlook.com include:_netblocks.google.com include:_netblocks2.google.com include:mail.zendesk.com include:_spf.salesforce.com include:servers.mcsv.net include:mktomail.com include:sendgrid.net ip4:62.253.2",
      "27.114 ip4:166.78.69.169 ip4:166.78.69.170 ip4:166.78.71.131 ~all"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "MS=ms44452932"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "TAILSCALE-xOzoDvFUzZr5YYVCQFuD"
    ]
  }
]

SOA records

[
  {
    "type": "SOA",
    "nsname": "ns-1707.awsdns-21.co.uk",
    "hostmaster": "awsdns-hostmaster.amazon.com",
    "serial": 1,
    "refresh": 7200,
    "retry": 900,
    "expire": 1209600,
    "minttl": 86400
  }
]

CAA records

[
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issuewild",
    "value": "sectigo.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "letsencrypt.org"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "sectigo.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "digicert.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issuewild",
    "value": "letsencrypt.org"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "globalsign.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issuewild",
    "value": "digicert.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 github.com.

Related tools: DNS Lookup · SPF Checker · DMARC Lookup