Contacts

  • Holder

    SB:LG187-RIPE_XX

  • Administrative

    LG187-RIPE

  • Registrar

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

    Ktiš 2
    Ktiš
    38403
    CZ

    +420.383835353

Website

Answer
200 OKin 555 ms
Title
IceWarp — Business Email & Collaboration Suite Made in the EU
Server
nginx
Protocols
HTTP/1.1
Certificate
Let's Encrypt (YE2) for icewarp.cz and www.icewarp.cz, valid until
www
Answers itself (200 OK)

DNS records

icewarp.cz

A
TTL 1 min
MX
  • 10mail.icewarp.cz
TTL 1 hour
NS
TTL 1 hour
TXT
  • 00D24000000iuIF=1TBIV0000000FQU
  • google-site-verification=BtSMq4-I67oQoHG0Xyb2Laf4bxSSRokQaU1JbpB7vqQ
  • v=spf1 mx ip4:185.119.216.245/32 ip4:130.185.180.104/32 ~all
TTL 1 hour
SOA
TTL 1 day
CAA
None: any certificate authority may issue for this name

www.icewarp.cz

CNAME
TTL 1 hour
A
TTL 10 min

_dmarc.icewarp.cz

TXT
  • v=DMARC1; p=none; sp=none; adkim=r; aspf=r; rua=mailto:[email protected]; rf=afrf; pct=100; ri=86400
TTL 1 min

As dns1.ttc.cz.apptocloud.net answers them

Reputation

Domain blocklists

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

Rankings

3,101,043 Tranco rank up from 4,274,247 on 2026-11-02
4.06Open PageRank, out of 10
1,246,386Open PageRank position
60Referring domains

From Tranco and Open PageRank

DNSSEC

icewarp.cz 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

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

icewarp.cz Not signed

  • No DS records found for icewarp.cz in the cz zone