DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, and CNAME records for any domain
DNS Records for caltech.org
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| caltech.org | A | 0 | 52.26.125.194 | |
| caltech.org | NS | 0 | ns0145.secondary.cloudflare.com | |
| caltech.org | NS | 0 | ns0071.secondary.cloudflare.com | |
| caltech.org | SOA | 900 | ns0071.secondary.cloudflare.com hostmaster.caltech.edu 2009111890 10800 3600 2592000 900 | |
| www.caltech.org | CNAME | 0 | www.caltech.org.cdn.cloudflare.net | |
| www.caltech.org | AAAA | 0 | 2606:4700:4400::ac40:916e | |
| www.caltech.org | AAAA | 0 | 2606:4700:4400::6812:2a92 | |
| www.caltech.org | A | 0 | 104.18.42.146 | |
| www.caltech.org | A | 0 | 172.64.145.110 |
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