51dns.com is not available!
- Website up
- Not on blocklists
- Registrar
- 22net, Inc.
- Registered on
- Expires on
- Last updated
- Name servers
- m1.51dns.com
- m2.51dns.com
- Status
- client transfer prohibited
- DNSSEC
- Not signed
- Report abuse to
- abuse@22.cn
Contacts
Registrar
22net, Inc. 1555
Abuse
abuse@22.cn
+86.571.88276020
Website
- Answer
- 200 OKin 1,188 ms
- Ends at
- https://www.51dns.com/
- Redirects
- https://51dns.com/ (301)
- Title
- 帝恩思-DNS-域名解析-域名注册-SSL证书-DNS综合服务商
- Server
- nginx
- Protocols
- HTTP/1.1
- Certificate
- Asseco Data Systems S.A. (Certum DV TLS G2 R39 CA) for *.51dns.com and 51dns.com, valid until
- www
- Answers itself (200 OK)
DNS records
51dns.com
- NS
- m1.51dns.com
- m2.51dns.com
- TTL 1 day
- SOA
- Primary server
- m1.51dns.com
- Contact
- [email protected]
- Serial
- 1789465140
- Refresh
- 1 hour
- Retry
- 5 min
- Expire
- 14 days
- Negative TTL
- 30 min
- TTL 10 min
- CAA
- None: any certificate authority may issue for this name
www.51dns.com
As 183.253.57.225 answers them
Reputation
Domain blocklists
- Spamhaus DBL Not listed
- SURBL Not listed
- URIBL Not listed
Rankings
61,881
Tranco rank
down from 47,201 on 2026-09-21
4.02Open PageRank, out of 10
162,245Open PageRank position
48Referring domains
From Tranco and Open PageRank
DNSSEC
51dns.com is not signed.
. Verified
- Found 3 DNSKEY records for .
- DS=20326/SHA-256 verifies DNSKEY=20326/SEP
- DS=38696/SHA-256 verifies DNSKEY=38696/SEP
- Found 1 RRSIGs over DNSKEY RRset
- RRSIG=38696 and DNSKEY=38696/SEP verifies the DNSKEY RRset
com Verified
- Found 1 DS records for com in the . zone
- DS=19718/SHA-256 has algorithm ECDSAP256SHA256
- Found 1 RRSIGs over DS RRset
- RRSIG=8763 and DNSKEY=8763 verifies the DS RRset
- Found 2 DNSKEY records for com
- DS=19718/SHA-256 verifies DNSKEY=19718/SEP
- Found 1 RRSIGs over DNSKEY RRset
- RRSIG=19718 and DNSKEY=19718/SEP verifies the DNSKEY RRset
51dns.com Not signed
- No DS records found for 51dns.com in the com zone