NSToolKit
NSToolKit
free network tools

DNS records for cornell.edu

A records

[
  {
    "type": "A",
    "value": "128.253.173.241"
  },
  {
    "type": "A",
    "value": "128.253.173.243"
  },
  {
    "type": "A",
    "value": "128.253.173.245"
  },
  {
    "type": "A",
    "value": "128.253.173.242"
  },
  {
    "type": "A",
    "value": "128.253.173.246"
  },
  {
    "type": "A",
    "value": "128.253.173.244"
  }
]

MX records

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

NS records

[
  {
    "type": "NS",
    "value": "drdns2.cit.cornell.edu"
  },
  {
    "type": "NS",
    "value": "dns.cit.cornell.edu"
  },
  {
    "type": "NS",
    "value": "bigred.cit.cornell.edu"
  },
  {
    "type": "NS",
    "value": "cudns.cit.cornell.edu"
  },
  {
    "type": "NS",
    "value": "drdns.cit.cornell.edu"
  }
]

TXT records

[
  {
    "type": "TXT",
    "entries": [
      "NmwZsJfvHf2DUPwvPqMaLkflPi89l0leQfEkMtPmpxQNqlkPy0anm5LZM/N+sxrW+oJfdGKCyoi/qnhAhPy8yg=="
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "apple-domain-verification=R62yGBLwZW9fUKsm"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "adobe-idp-site-verification=f41c9778dd61e0b903e5daff9095300a03eb9ad4a2a7ce435b4e4eaf76000127"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "sending_domain44232=26593424e3f9a029c8413a3f66844938dd909eec6d3c1421168e0fa974950b97"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=V6u6xIMwPwKv6d55ZV4VqbkO1mjLlzyvQKkbz4usOM0"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "D750B9F1EBA3435D9D77F95792265223"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "7OT7JRZVY1IKZ8J8U84AK2JX4T0J2BM42TL8LSZLV"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "autodesk-domain-verification=9Y0MrpeHy7LiqjUs0Rpy"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=CauHX8dfnPle2exSgs6k3OuJ_rPzkV1d6n6E9OFJFO8"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "v=spf1 ip4:128.253.150.144/30 ip4:128.253.150.158 ip4:128.253.150.176 ip4:128.253.150.177 include:_spf.google.com include:spf.protection.outlook.com include:_spf.qualtrics.com ?all"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "google-site-verification=Gh3jhxuBIdlsH1dgfvJhSGS30sk0OFFvel_I9xQkI5c"
    ]
  },
  {
    "type": "TXT",
    "entries": [
      "facebook-domain-verification=kiwj4xtbf69jsywfq4nlu7a0z81doz"
    ]
  }
]

SOA records

[
  {
    "type": "SOA",
    "nsname": "dns.cit.cornell.edu",
    "hostmaster": "nsmaster.cornell.edu",
    "serial": 3605211802,
    "refresh": 1860,
    "retry": 600,
    "expire": 2592000,
    "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 cornell.edu.

Related tools: DNS Lookup · SPF Checker · DMARC Lookup