DNS records for fb.com

A records

[
  {
    "type": "A",
    "value": "57.144.220.1"
  }
]

AAAA records

[
  {
    "type": "AAAA",
    "value": "2a03:2880:f36e:1:face:b00c:0:25de"
  }
]

MX records

[
  {
    "type": "MX",
    "exchange": "mxb-00082601.gslb.pphosted.com",
    "priority": 10
  },
  {
    "type": "MX",
    "exchange": "mxa-00082601.gslb.pphosted.com",
    "priority": 10
  }
]

NS records

[
  {
    "type": "NS",
    "value": "c.ns.facebook.com"
  },
  {
    "type": "NS",
    "value": "d.ns.facebook.com"
  },
  {
    "type": "NS",
    "value": "a.ns.facebook.com"
  },
  {
    "type": "NS",
    "value": "b.ns.facebook.com"
  }
]

TXT records

[
  {
    "type": "TXT",
    "entries": [
      "smartsheet-site-validation=sB5xgx-1nsnQCgORYUhnyDG3Jr739OxJ"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "smartsheet-site-validation=r-TtxwzdAh2KN_Zi6mTLGu02fz-9vQU4"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "v=spf1 redirect=_spf.fb.com"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=Dsycvk_Ky3uQjdvuPrI_Z6A98lWghNTntdS4LuATOj8"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "docusign=ad7f789d-eff1-4283-9d90-fdc9484527e1"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "MS=ms56927146"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "586957ce-d11e-4efa-9fe5-a887498bf838"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "G3X1k1XGYGra1nUpTv7Rdk2wAEFHfkKIr9/4/6+Nu67Ks9cR8xaiqAZPPhis9lGD6mb/+9vygIr4QKXIpxIc7w=="
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "mentimeter-16bdc82d-93be-47de-a6d4-fd6adb17c403"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "I2B7AuxY6G1G_NeiaHF-9A0zn-3NDBnlOBi4zItNCU8"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "parkable-domain-verification=N89SxXel0S4pUXDFVpckFmXIO9MUvN4Or0bO_Lcb8Os="
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "atlassian-domain-verification=I7HLjLnlhJiDT58wzrru2Pd/2cRWa3AKlgCjDPOO43GMP7H0QuafH6eBts3D1GaP"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "mentimeter-8599dcd1-e0da-4326-882e-7570e7c942fb"
    ]
  }
]

SOA records

[
  {
    "type": "SOA",
    "nsname": "a.ns.facebook.com",
    "hostmaster": "dns.facebook.com",
    "serial": 4207849484,
    "refresh": 14400,
    "retry": 1800,
    "expire": 604800,
    "minttl": 3600
  }
]

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 fb.com.

Related tools: DNS Lookup · SPF Checker · DMARC Lookup