indexo.dev

hbtisk.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 231 ms crawled 2026-06-02

CZ · 81.91.86.14 · AS39790 Web4U s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
H&B Tisk a.s. - Co umíme

Technology

Server
openresty
PHP
5.6.40 end of life

Contact

Email

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 mail.hbtisk.cz
Verified for
  • Google

Email authentication weak

SPF
v=spf1 ip4:81.91.85.211 ip4:81.91.85.212 ~all
softfail (~all)
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxcCllTzXqpVkEH16rvaLz+bc2VlSbTn9MwnyeabSmaWbfvRLSgu+awaS74mNIqZishq9dqI0VKjviw…
selectors probed

Certificate (current)

R13
from 2026-05-21 to 2026-08-19
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://hbtisk.cz/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (1)