Domain Intelligence Report

en.firmy.cz

Compare
Gathering intelligence... (0/12)
DNS
WHOIS
Security
Email
DNSSEC
Threats
Deliverability
SSL/TLS
HTTP
Tech Stack
Subdomains
Archive
Outline
Gathering data — check results will appear here as they complete.
DNS Records
WHOIS
Then vs Nownew
No card for this name. We compare then and now for domains that are in the top million and had an AboutUs page. That says nothing about this domain’s age or safety.
Check what it is now →
SSL/TLS
Security
Email Auth
DNSSEC
Tech Stack
HTTP / Headers
Threats
Zone census
Subdomains
Web Archive
Deliverability

IPv6

Measured 2026-11-08 17:00 UTC · aaaa.bot
A

Website, mail and DNS all work over IPv6.

The published IPv6 address accepted a connection when we tried it.

  • ✓ en.firmy.cz answers (1 of 1 addresses)
  • ✓ Mail: 2 of 2 servers have IPv6
  • ✓ Nameservers: 2 of 2 have IPv6
Details: published addresses and what answered

Loads over IPv6 with a valid certificate: HTTP 200.

en.firmy.czPublished2a02:598:2::191Answers when we connect✓ answers on 443
MailPublishedbb4bdcba74d9f0f3.mx1.emailprofi.seznam.czbb4bdcba74d9f0f3.mx2.emailprofi.seznam.czAnswers when we connect✓ has IPv6✓ has IPv6
NameserversPublishedams.seznam.czans.seznam.czAnswers when we connect✓ has IPv6✓ has IPv6
First measured with IPv6 on 2026-11-08Changes are recorded from here on, each with its date.

See where it lives on the IPv4 map →

Want to know when en.firmy.cz changes?

Monitor it free — 5 monitors, uptime checks every 5 minutes, email alerts when something breaks. No card required.

Monitor en.firmy.cz

Explore related