indexo.dev

rete.cz

.cz dns crawl

First seen 2026-05-30 · Last seen 2026-06-01 · ok HTTP/1.1 200 312 ms crawled 2026-05-31

CZ · 78.156.32.20 · AS43507 RETE internet, s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
RETE - internet, televize, mobil, pevná, webhosting
Description
RETE, internet, televize, mobil, VoIP, webhosting
Language
cs

Technology

Server
Apache
CMS
Joomla
Stack
PHP

Contact

Email
Phone

DNS records live

NS
  • ns2.rete.cz
  • ns3.rete.cz
  • ns4.rete.cz
MX
  • 50 mail.rete.cz

Email authentication weak

SPF
v=spf1 mx a ptr ip4:78.156.32.27 ip4:78.156.32.11 ip4:78.156.32.15 ip4:78.156.32.42 ip4:78.156.32.4 ip4:78.156.49.172 ip4:78.167.49.165 ip4:85.163.46.101 ip4:78.156.32.14 ip4:78.156.32.20 -all
strict (-all)
DMARC
not published
DKIM
  • dkim: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDIMu3lkHGX4QjhzeoOYaU/84SMPPbLOSOouE1afaC/tB+bNgq1TfqgbktIzXzTd3PI+eAEGoIYhuod6hvJErTCkPh2d…
selectors probed

Certificate (current)

R13
from 2026-05-14 to 2026-08-12
Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (3)

Linked from (2)