DNS Record Lookup

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

DNS Records for cs50.ai

HostnameTypeTTLPriorityContent
cs50.aiSOA86400ns-904.awsdns-49.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
cs50.aiNS0ns-1823.awsdns-35.co.uk
cs50.aiNS0ns-489.awsdns-61.com
cs50.aiNS0ns-1491.awsdns-58.org
cs50.aiNS0ns-904.awsdns-49.net
cs50.aiA054.208.231.21
cs50.aiA018.211.208.170
www.cs50.aiA018.211.208.170
www.cs50.aiA054.208.231.21

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