DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, and CNAME records for any domain
DNS Records for caltech.edu
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| caltech.edu | SOA | 900 | ns0090.secondary.cloudflare.com hostmaster.caltech.edu 2022895775 10800 3600 2592000 900 | |
| caltech.edu | MX | 0 | 10 | mx1.caltech.iphmx.com |
| caltech.edu | MX | 0 | 10 | mx2.caltech.iphmx.com |
| caltech.edu | NS | 0 | ns0239.secondary.cloudflare.com | |
| caltech.edu | NS | 0 | ns0090.secondary.cloudflare.com | |
| caltech.edu | A | 0 | 52.26.125.194 | |
| www.caltech.edu | CNAME | 0 | www.caltech.edu.cdn.cloudflare.net | |
| www.caltech.edu | AAAA | 0 | 2606:4700:4400::6812:2423 | |
| www.caltech.edu | AAAA | 0 | 2606:4700:4400::ac40:97dd | |
| www.caltech.edu | A | 0 | 104.18.36.35 | |
| www.caltech.edu | A | 0 | 172.64.151.221 |
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