DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, and CNAME records for any domain
DNS Records for semi.ac.cn
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| semi.ac.cn | A | 0 | 159.226.228.1 | |
| semi.ac.cn | A | 0 | 172.16.0.86 | |
| semi.ac.cn | MX | 0 | 10 | mx.cstnet.cn |
| semi.ac.cn | NS | 0 | win-t8334pdl7kb.escience.semi.ac.cn | |
| semi.ac.cn | NS | 0 | semilib.semi.ac.cn | |
| semi.ac.cn | SOA | 3600 | win-t8334pdl7kb.escience.semi.ac.cn hostmaster.escience.semi.ac.cn 147 900 600 86400 3600 | |
| www.semi.ac.cn | CNAME | 0 | www.semi.cas.cn | |
| www.semi.ac.cn | A | 0 | 159.226.242.62 | |
| www.semi.ac.cn | AAAA | 0 | 2400:dd01:1017:1000::9fe2:f23e |
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