DNS Record Lookup

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

DNS Records for root.cern

HostnameTypeTTLPriorityContent
root.cernA0137.138.6.72
root.cernSOA43200ext-dns-1.cern.ch external-dns.cern.ch 2025032501 43200 10800 604800 43200
root.cernAAAA02001:1458:201:8b::100:23b
root.cernNS0ext-dns-1.cern.ch
root.cernNS0ext-dns-2.cern.ch

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