DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, and CNAME records for any domain
DNS Records for 21by.cn
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 21by.cn | SOA | 1800 | magdalena.ns.cloudflare.com dns.cloudflare.com 2373880088 10000 2400 604800 1800 | |
| 21by.cn | A | 0 | 172.67.196.226 | |
| 21by.cn | A | 0 | 104.21.68.163 | |
| 21by.cn | AAAA | 0 | 2606:4700:3031::6815:44a3 | |
| 21by.cn | AAAA | 0 | 2606:4700:3036::ac43:c4e2 | |
| 21by.cn | NS | 0 | magdalena.ns.cloudflare.com | |
| 21by.cn | NS | 0 | marty.ns.cloudflare.com | |
| www.21by.cn | AAAA | 0 | 2606:4700:3031::6815:44a3 | |
| www.21by.cn | AAAA | 0 | 2606:4700:3036::ac43:c4e2 | |
| www.21by.cn | A | 0 | 104.21.68.163 | |
| www.21by.cn | A | 0 | 172.67.196.226 |
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