NSToolKit
NSToolKit
free network tools

DNS records for fastly.net

A records

[
  {
    "type": "A",
    "value": "151.101.1.6"
  },
  {
    "type": "A",
    "value": "151.101.65.6"
  },
  {
    "type": "A",
    "value": "151.101.129.6"
  },
  {
    "type": "A",
    "value": "151.101.193.6"
  }
]

AAAA records

[
  {
    "type": "AAAA",
    "value": "2a04:4e42::262"
  },
  {
    "type": "AAAA",
    "value": "2a04:4e42:600::262"
  },
  {
    "type": "AAAA",
    "value": "2a04:4e42:400::262"
  },
  {
    "type": "AAAA",
    "value": "2a04:4e42:200::262"
  }
]

MX records

[
  {
    "type": "MX",
    "exchange": "alt1.aspmx.l.google.com",
    "priority": 20
  },
  {
    "type": "MX",
    "exchange": "aspmx.l.google.com",
    "priority": 10
  }
]

NS records

[
  {
    "type": "NS",
    "value": "ns4.fastly.net"
  },
  {
    "type": "NS",
    "value": "ns3.fastly.net"
  },
  {
    "type": "NS",
    "value": "ns2.fastly.net"
  },
  {
    "type": "NS",
    "value": "ns1.fastly.net"
  }
]

TXT records

[
  {
    "type": "TXT",
    "entries": [
      "_globalsign-domain-verification=iMFiEKAQWWdcbAGDBD-bSrJbX4attYpnGIVm4MyJz8"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "v=spf1 -all"
    ]
  }
]

SOA records

[
  {
    "type": "SOA",
    "nsname": "ns1.fastly.net",
    "hostmaster": "hostmaster.fastly.com",
    "serial": 2017052201,
    "refresh": 3600,
    "retry": 600,
    "expire": 604800,
    "minttl": 30
  }
]

CAA records

[
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "letsencrypt.org;validationmethods=dns-01"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "globalsign.com"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "issue",
    "value": "certainly.com;validationmethods=dns-01"
  },
  {
    "type": "CAA",
    "critical": 0,
    "tag": "iodef",
    "value": "mailto:[email protected]"
  }
]

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 fastly.net.

Related tools: DNS Lookup · SPF Checker · DMARC Lookup