ihep.ac.cn is not available!

  • Website up
  • Not on blocklists
Registrar
北京国科云计算技术有限公司（原北京中科三方网络技术有限公司）
Registered on
Expires on
Name servers
  • sun.ihep.ac.cn
  • dns.ihep.ac.cn
Status
  • clientDeleteProhibited
  • clientUpdateProhibited
  • clientTransferProhibited
DNSSEC
Not signed
Checked
Visit ihep.ac.cn

Website

Answer
200 OKin 1,490 ms
Title
中国科学院高能物理研究所邮件系统
Server
cmproxy
Protocols
HTTP/1.1
Certificate
TrustAsia Technologies, Inc. (TrustAsia OV TLS RSA CA 2024) for *.ihep.ac.cn and ihep.ac.cn, valid until
www
Answers itself (200 OK)

DNS records

ihep.ac.cn

A
TTL 1 hour
MX
  • 10mail.ihep.ac.cn
TTL 8 hours
NS
  • dns.ihep.ac.cn
TTL 8 hours
TXT
TTL 1 hour
SOA
  • Primary server
    dns.ihep.ac.cn
    Contact
    [email protected]
    Serial
    2018059621
    Refresh
    3 min
    Retry
    30 min
    Expire
    7 days
    Negative TTL
    8 hours
TTL 8 hours
CAA
None: any certificate authority may issue for this name

www.ihep.ac.cn

A
TTL 8 hours
AAAA
TTL 1 hour

_dmarc.ihep.ac.cn

TXT
TTL 1 hour

As dns.ihep.ac.cn answers them

Reputation

Domain blocklists

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

Rankings

73,682 Tranco rank down from 69,325 on 2026-09-28
6.56Open PageRank, out of 10
76,567Open PageRank position
554Referring domains

From Tranco and Open PageRank

WHOIS

Domain Name: ihep.ac.cn
ROID: 20021209s10071s00001216-cn
Domain Status: clientDeleteProhibited
Domain Status: clientUpdateProhibited
Domain Status: clientTransferProhibited
Registrant: 中国科学院高能物理研究所
Registrant Contact Email: [email protected]
Sponsoring Registrar: 北京国科云计算技术有限公司（原北京中科三方网络技术有限公司）
Name Server: sun.ihep.ac.cn
Name Server: dns.ihep.ac.cn
Registration Time: 1997-01-05 00:00:00
Expiration Time: 2029-07-01 00:00:00
DNSSEC: unsigned

DNSSEC

ihep.ac.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

ac.cn Verified

  • Found 1 DS records for ac.cn in the cn zone
  • DS=45007/SHA-256 has algorithm RSASHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=27768 and DNSKEY=27768 verifies the DS RRset
  • Found 2 DNSKEY records for ac.cn
  • DS=45007/SHA-256 verifies DNSKEY=45007/SEP
  • Found 2 RRSIGs over DNSKEY RRset
  • RRSIG=64704 over the DNSKEY RRset was made with a key that is not trusted here
  • RRSIG=45007 and DNSKEY=45007/SEP verifies the DNSKEY RRset

ihep.ac.cn Not signed

  • No DS records found for ihep.ac.cn in the ac.cn zone