Contacts

  • Holder and administrative

    A24CONTACT-16715

  • Registrar

    ACTIVE 24, s.r.o. REG-ACTIVE24

    Sokolovská 394/17
    Praha 8
    186 00
    CZ

    +420.234262000

Website

Answer
200 OKin 261 ms
Ends at
https://www.oksystem.com/en
Redirects
  • https://okcentrum.cz/ (301)
  • https://www.oksystem.com/ (301)
Title
OKsystem | Your first choice for development and innovation | OKsystem
Server
OKsystem
Protocols
HTTP/1.1
Certificate
Let's Encrypt (YR2) for *.okcentrum.cz and okcentrum.cz, valid until
www
Redirects to https://www.oksystem.com/ (301)

DNS records

okcentrum.cz

A
TTL 1 hour
NS
TTL 1 hour
SOA
TTL 1 day
CAA
None: any certificate authority may issue for this name

www.okcentrum.cz

A
TTL 1 hour

As ns2.websupport.eu answers them

Reputation

Domain blocklists

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

Rankings

Not rankedOpen PageRank

From Open PageRank

DNSSEC

Every link from the root to okcentrum.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

okcentrum.cz Verified

  • Found 1 DS records for okcentrum.cz in the cz zone
  • DS=54394/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 okcentrum.cz
  • DS=54394/SHA-256 verifies DNSKEY=54394/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=54394 and DNSKEY=54394/SEP verifies the DNSKEY RRset
  • Found 1 RRSIGs over SOA RRset
  • RRSIG=49330 and DNSKEY=49330 verifies the SOA RRset