DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, and CNAME records for any domain
DNS Records for 21th-books.com
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 21th-books.com | A | 0 | 210.224.185.65 | |
| 21th-books.com | NS | 0 | ns1.dns.ne.jp | |
| 21th-books.com | NS | 0 | ns2.dns.ne.jp | |
| 21th-books.com | SOA | 3600 | master.dns.ne.jp tech.sakura.ad.jp 2014111910 3600 900 3600000 3600 | |
| 21th-books.com | MX | 0 | 10 | 21th-books.com |
| www.21th-books.com | A | 0 | 210.224.185.65 | |
| www.21th-books.com | MX | 0 | 10 | 21th-books.com |
| www.21th-books.com | NS | 0 | ns2.dns.ne.jp | |
| www.21th-books.com | NS | 0 | ns1.dns.ne.jp | |
| www.21th-books.com | SOA | 3600 | master.dns.ne.jp tech.sakura.ad.jp 2014111910 3600 900 3600000 3600 | |
| www.21th-books.com | CNAME | 0 | 21th-books.com |
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