Contacts

  • Holder

    CETIN

  • Registrar

    ZONER a. s. REG-ZONER

    Nové sady 583/18
    Brno
    60200
    CZ

    +420.543257018

Website

Answer
200 OKin 161 ms
Ends at
https://www.cetin.cz/
Redirects
  • https://cetin.cz/ (301)
Title
Propojujeme Česko spolehlivou sítí - cetin.cz
Protocols
HTTP/1.1
Certificate
DigiCert Inc (Thawte EV RSA CA G2) for www.cetin.cz and cetin.cz, valid until
www
Answers itself (200 OK)

DNS records

cetin.cz

A
TTL 1 hour
MX
TTL 1 hour
NS
TTL 1 hour
TXT
  • 4zzLRF2Yl5Oxe7mlO15tMPMA92tZpswoT6wOc06nSD5qFZ6F4DpOQPoLVZESRCB4b1GeWitqkdu/bLa6olVFfA==
  • MS=ms83177596
  • atlassian-domain-verification=pZIZYjed3aWX9N4DsQhjbrGQFMLALksfzoVpDN7EgB9eqcRVbtFvMHcey7n5L2E7
  • docusign=07b9e27c-3c46-45a6-918d-5d2d25a0878d
  • e284154c-cee9-4302-b2b8-fe3a3bfdd9c9
  • google-site-verification=v9NDaspVq2d17snofBf1gARcKDLHA0Oxu-0sZbAZOzY
  • v=spf1 ip4:85.162.10.10 ip4:85.162.10.11 ip4:85.162.9.215 ip4:85.162.9.216 include:spf.protection.outlook.com ~all
TTL 1 hour
SOA
  • Primary server
    ns1.regzone.cz
    Contact
    administrator@czechia.cz
    Serial
    2026110902
    Refresh
    3 hours
    Retry
    30 min
    Expire
    14 days
    Negative TTL
    1 hour
TTL 1 hour
CAA
None: any certificate authority may issue for this name

www.cetin.cz

A
TTL 1 hour

_dmarc.cetin.cz

TXT
  • v=DMARC1; p=quarantine; pct=100
TTL 1 hour

As ns1.regzone.cz answers them

Reputation

Domain blocklists

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

Rankings

66,552 Tranco rank up from 73,245 on 2026-10-05
5.28Open PageRank, out of 10
409,727Open PageRank position
122Referring domains

From Tranco and Open PageRank

DNSSEC

Every link from the root to cetin.cz verifies.

. 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

cz Verified

  • Found 1 DS records for cz in the . zone
  • DS=20237/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 cz
  • DS=20237/SHA-256 verifies DNSKEY=20237/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=20237 and DNSKEY=20237/SEP verifies the DNSKEY RRset

cetin.cz Verified

  • Found 1 DS records for cetin.cz in the cz zone
  • DS=11972/SHA-256 has algorithm ECDSAP256SHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=20081 and DNSKEY=20081 verifies the DS RRset
  • Found 2 DNSKEY records for cetin.cz
  • DS=11972/SHA-256 verifies DNSKEY=11972/SEP
  • Found 2 RRSIGs over DNSKEY RRset
  • RRSIG=11685 over the DNSKEY RRset was made with a key that is not trusted here
  • RRSIG=11972 and DNSKEY=11972/SEP verifies the DNSKEY RRset
  • Found 1 RRSIGs over SOA RRset
  • RRSIG=11685 and DNSKEY=11685 verifies the SOA RRset