Contacts

  • Holder

    SB:TK688-RIPE_XX

  • Administrative

    KNETTIG-ICANET

  • Registrar

    INTERNET CZ, a.s. REG-INTERNET-CZ

    Ktiš 2
    Ktiš
    38403
    CZ

    +420.383835353

Website

Answer
200 OKin 198 ms
Ends at
https://www.k-net.cz/
Redirects
  • https://k-net.cz/ (301)
Title
Home - K-net
Server
nginx
Protocols
HTTP/2
Certificate
Let's Encrypt (YR2) for k-net.cz and www.k-net.cz, valid until
www
Answers itself (200 OK)

DNS records

k-net.cz

A
TTL 5 min
MX
TTL 30 min
NS
TTL 1 hour
TXT
TTL 30 min
SOA
  • Primary server
    ns.grdns.cz
    Contact
    admin@grdns.cz
    Serial
    2026102301
    Refresh
    1 hour
    Retry
    30 min
    Expire
    30 days
    Negative TTL
    1 hour
TTL 1 hour
CAA
None: any certificate authority may issue for this name

www.k-net.cz

A
TTL 30 min

_dmarc.k-net.cz

TXT
TTL 30 min

As ns.grdns.cz answers them

Reputation

Domain blocklists

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

Rankings

3.36Open PageRank, out of 10
662,168Open PageRank position
15Referring domains

From Open PageRank

DNSSEC

Every link from the root to k-net.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

k-net.cz Verified

  • Found 1 DS records for k-net.cz in the cz zone
  • DS=52341/SHA-256 has algorithm RSASHA512
  • Found 1 RRSIGs over DS RRset
  • RRSIG=20081 and DNSKEY=20081 verifies the DS RRset
  • Found 2 DNSKEY records for k-net.cz
  • DS=52341/SHA-256 verifies DNSKEY=52341/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=52341 and DNSKEY=52341/SEP verifies the DNSKEY RRset
  • Found 1 RRSIGs over SOA RRset
  • RRSIG=62855 and DNSKEY=62855 verifies the SOA RRset