DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, and CNAME records for any domain
DNS Records for 21cto.net
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 21cto.net | A | 0 | 156.254.154.30 | |
| 21cto.net | SOA | 600 | a.share-dns.com master.share-dns.com 1747135839 3600 1200 86400 600 | |
| 21cto.net | NS | 0 | a.share-dns.com | |
| 21cto.net | NS | 0 | b.share-dns.net | |
| www.21cto.net | A | 0 | 156.254.154.30 |
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