DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
21749.com runs on AS54600.
- Hosting network
- AS54600AS54600
- Managed DNS
- Self-hosted / other
- None
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 1,538 other sites on AS54600. Stable here since we started watching (Jul 15, 2026).
DNS Records for 21749.com
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 21749.com | NS | 0 | n1.xundns.com | |
| 21749.com | NS | 0 | n2.xundns.com | |
| 21749.com | SOA | 600 | n1.xundns.com nsadmin.xundns.com 437896 3600 600 86400 600 | |
| 21749.com | A | 0 | 107.148.192.78 | |
| www.21749.com | A | 0 | 107.148.192.78 |
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