DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, and CNAME records for any domain
DNS Records for opt.ac.cn
Hostname | Type | TTL | Priority | Content |
---|---|---|---|---|
opt.ac.cn | SOA | 120 | ns1.xgslb.net licong.opt.ac.cn.opt.ac.cn 1378264138 10800 900 604800 120 | |
opt.ac.cn | MX | 0 | 10 | mx.cstnet.cn |
opt.ac.cn | NS | 0 | ns4.cstnet.cn | |
opt.ac.cn | NS | 0 | ns3.cstnet.cn | |
www.opt.ac.cn | A | 0 | 159.226.242.62 | |
www.opt.ac.cn | CNAME | 0 | www.opt.cas.cn |
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