DNS Record Lookup

Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain

Hosting & Network

cornell.edu runs on AS26, with email via Microsoft 365.

Hosting network
AS26AS26
Managed DNS
Self-hosted / other
Email
Microsoft 365
IPv6 (AAAA)
Not enabled
CAA pinning
None

Sits alongside 4 other sites on AS26. Stable here since we started watching (Jul 18, 2026).

DNS Records for cornell.edu

HostnameTypeTTLPriorityContent
cornell.eduA0128.253.173.243
cornell.eduA0128.253.173.242
cornell.eduA0128.253.173.245
cornell.eduA0128.253.173.244
cornell.eduA0128.253.173.241
cornell.eduA0128.253.173.246
cornell.eduMX0cornell-edu.mail.protection.outlook.com
cornell.eduNS0dns.cit.cornell.edu
cornell.eduNS0drdns2.cit.cornell.edu
cornell.eduNS0drdns.cit.cornell.edu
cornell.eduNS0cudns.cit.cornell.edu
cornell.eduNS0bigred.cit.cornell.edu
cornell.eduSOA3600dns.cit.cornell.edu nsmaster.cornell.edu 3607180402 1860 600 2592000 3600
cornell.eduTXT0google-site-verification=V6u6xIMwPwKv6d55ZV4VqbkO1mjLlzyvQKkbz4usOM0
cornell.eduTXT0facebook-domain-verification=kiwj4xtbf69jsywfq4nlu7a0z81doz
cornell.eduTXT0apple-domain-verification=R62yGBLwZW9fUKsm
cornell.eduTXT07OT7JRZVY1IKZ8J8U84AK2JX4T0J2BM42TL8LSZLV
cornell.eduTXT0D750B9F1EBA3435D9D77F95792265223
cornell.eduTXT0google-site-verification=Gh3jhxuBIdlsH1dgfvJhSGS30sk0OFFvel_I9xQkI5c
cornell.eduTXT0adobe-idp-site-verification=f41c9778dd61e0b903e5daff9095300a03eb9ad4a2a7ce435b4e4eaf76000127
cornell.eduTXT0autodesk-domain-verification=9Y0MrpeHy7LiqjUs0Rpy
cornell.eduTXT0google-site-verification=2Fa7hSAy-FAwrMvWZafs9FUqgGxiNrzJExOmdf5HWAo
cornell.eduTXT0NmwZsJfvHf2DUPwvPqMaLkflPi89l0leQfEkMtPmpxQNqlkPy0anm5LZM/N+sxrW+oJfdGKCyoi/qnhAhPy8yg==
cornell.eduTXT0v=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
cornell.eduTXT0notion-domain-verification=mTQLByaJiMJcaoejfap0w1HqVtit4gqXfxNE3z57ugv
cornell.eduTXT0sending_domain44232=26593424e3f9a029c8413a3f66844938dd909eec6d3c1421168e0fa974950b97
cornell.eduTXT0google-site-verification=CauHX8dfnPle2exSgs6k3OuJ_rPzkV1d6n6E9OFJFO8
www.cornell.eduCNAME0cornell-edge-ekhkdhg5czdmb2bf.z01.azurefd.net
www.cornell.eduAAAA02603:1061:14:4c::1
www.cornell.eduA0150.171.109.71

About DNS Records

DNS (Domain Name System) records are instructions that provide information about a domain, including its IP addresses, mail servers, and other services. Common record types include:

  • SOA (Start of Authority) - Contains administrative information about the zone
  • NS (Nameserver) - Specifies authoritative nameservers for the domain
  • A (Address) - Maps a domain to an IPv4 address
  • AAAA - Maps a domain to an IPv6 address
  • CNAME (Canonical Name) - Creates an alias pointing to another domain
  • MX (Mail Exchange) - Specifies mail servers for the domain