Website

Answer
200 OKin 2,439 ms
Ends at
https://www.zdns.cn/
Redirects
  • https://zdns.cn/ (301)
Title
互联网域名系统国家工程研究中心（ZDNS）-领先的互联网基础资源服务商-IPV6改造规模部署解决方案-新通用顶级域名-DDI(DNS/DHCP/IP地址管理)智能网络核心服务设备-智能下一代dns安全...
Server
F-WEB
Protocols
HTTP/1.1
Certificate
DigiCert, Inc. (GeoTrust G2 TLS CN RSA4096 SHA256 2022 CA1) for *.zdns.cn and zdns.cn, valid until
www
Answers itself (200 OK)

DNS records

zdns.cn

A
TTL 5 min
MX
TTL 5 min
NS
TTL 1 hour
TXT
TTL 5 min
SOA
TTL 1 hour
CAA
None: any certificate authority may issue for this name

www.zdns.cn

CNAME
TTL 5 min
A
TTL 1 min
AAAA
TTL 1 min

_dmarc.zdns.cn

TXT
TTL 10 min

As 42.62.2.29 answers them

Reputation

Domain blocklists

  • Spamhaus DBL Not listed
  • SURBL Not listed
  • URIBL Not listed

Rankings

0.50Open PageRank, out of 10
99,356Open PageRank position
62Referring domains

From Open PageRank

WHOIS

Domain Name: zdns.cn
ROID: 20070421s10001s95771554-cn
Domain Status: ok
Registrant: 互联网域名系统北京市工程研究中心有限公司
Registrant Contact Email: [email protected]
Sponsoring Registrar: 互联网域名系统北京市工程研究中心有限公司
Name Server: cns1.zdnscloud.net
Name Server: dns1.zdnscloud.info
Name Server: ins1.zdnscloud.com
Name Server: vns1.zdnscloud.biz
Registration Time: 2007-04-21 11:48:17
Expiration Time: 2027-04-21 11:48:17
DNSSEC: unsigned

DNSSEC

zdns.cn 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

cn Verified

  • Found 1 DS records for cn in the . zone
  • DS=33094/SHA-256 has algorithm RSASHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=8763 and DNSKEY=8763 verifies the DS RRset
  • Found 2 DNSKEY records for cn
  • DS=33094/SHA-256 verifies DNSKEY=33094/SEP
  • Found 2 RRSIGs over DNSKEY RRset
  • RRSIG=27768 over the DNSKEY RRset was made with a key that is not trusted here
  • RRSIG=33094 and DNSKEY=33094/SEP verifies the DNSKEY RRset

zdns.cn Not signed

  • No DS records found for zdns.cn in the cn zone