DNS records for britannica.com

Findings

[INFO] An SPF record is published but no MX records are present. This is normal for send-only domains but worth confirming if you expect to receive mail.

A records

[
  {
    "type": "A",
    "value": "54.157.0.174"
  },
  {
    "type": "A",
    "value": "3.209.202.104"
  }
]

NS records

[
  {
    "type": "NS",
    "value": "ns-829.awsdns-39.net"
  },
  {
    "type": "NS",
    "value": "ns-1567.awsdns-03.co.uk"
  },
  {
    "type": "NS",
    "value": "ns-243.awsdns-30.com"
  },
  {
    "type": "NS",
    "value": "ns-1050.awsdns-03.org"
  }
]

TXT records

[
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=k10aAIZQu5EjFbrh-ABW-9q9phYyigXf-211snaxdg4"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "facebook-domain-verification=yx5oj1072bsq69m7blcnrkktdu6h4h"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=3qlcdPLjaLxZmTfGmv2-7hXoRu7HWw7Sx--a2KgIoN0"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "v=spf1 include:_spf.google.com exists:%{i}._spf.sparkpostmail.com ~all"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=iCsMOBxTnqow6GNvW0LQ292qIMjLqMXwpQ6tOfIZgY4"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "ca3-5187b5f7e89c48ce9ac11ac4ad4ba681"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "ca3-34d513380a624c15b1894f20512d2ca8"
    ]
  }
]

SOA records

[
  {
    "type": "SOA",
    "nsname": "ns-243.awsdns-30.com",
    "hostmaster": "awsdns-hostmaster.amazon.com",
    "serial": 1,
    "refresh": 7200,
    "retry": 900,
    "expire": 1209600,
    "minttl": 86400
  }
]

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 britannica.com.

Related tools: DNS Lookup · SPF Checker · DMARC Lookup