DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, and CNAME records for any domain
DNS Records for 51-in.com
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 51-in.com | NS | 0 | ns1.ndns.cn | |
| 51-in.com | NS | 0 | ns2.ndns.cn | |
| 51-in.com | A | 0 | 127.0.0.127 | |
| 51-in.com | A | 0 | 154.9.243.168 | |
| 51-in.com | SOA | 7200 | 51-in.com root.51-in.com 2025042600 7200 1800 1209600 7200 |
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