DNS Record Lookup

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

DNS Records for upenn.edu

HostnameTypeTTLPriorityContent
upenn.eduA023.185.0.4
upenn.eduAAAA02620:12a:8000::4
upenn.eduAAAA02620:12a:8001::4
upenn.eduMX010mxb-00390e01.gslb.pphosted.com
upenn.eduMX010mxa-00390e01.gslb.pphosted.com
upenn.eduSOA600ipam2.nnn.upenn.edu hostmaster.upenn.edu 2002576675 10800 3600 604800 600
upenn.eduNS0adns1.nnn.upenn.edu
upenn.eduNS0adns4.upenn.edu
upenn.eduNS0adns6.upenn.edu
upenn.eduNS0adns5.upenn.edu
upenn.eduNS0dns2.udel.edu
upenn.eduNS0dns1.udel.edu
upenn.eduNS0adns2.nnn.upenn.edu
upenn.eduNS0adns3.nnn.upenn.edu
upenn.eduTXT0KO71GJZC894IG1PGQC0AIXUV2G6A8EXBGSMTW1QX
upenn.eduTXT0anthropic-domain-verification-3mac1g=J3Hgt9mjdh1LaP7MtfIfyPJBv
upenn.eduTXT0atlassian-domain-verification=maiZsC5JWjh1XYgMeCPA+Eu/1WPEcyn+n7TzXs5ukNzEV/GQRRHFl4jgohfUpHvV
upenn.eduTXT0v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf.protection.outlook.com include:spf.penno365.isc.upenn.edu ~all
upenn.eduTXT00850FA77764BD1CBAEEDDB31282A3244
upenn.eduTXT0docusign=78297198-f708-4232-b63b-9ce516ae54a1
upenn.eduTXT0google-site-verification=USSLz8fKaD900NdBD87OEjo0zVYS1RwVyebE0-rN1II
upenn.eduTXT0onetrust-domain-verification=114427d55783472c9c6399070d36a7a6
www.upenn.eduAAAA02620:12a:8001::4
www.upenn.eduAAAA02620:12a:8000::4
www.upenn.eduA023.185.0.4

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