elistek.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 430 ms crawled 2026-06-02

SK · 37.9.175.164 · AS51013 WebSupport s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

Technology

Server
openresty

Contact

Email

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 10 mx10.websupport.cz
  • 100 mx20.websupport.cz
TXT
  • spf2.0/pra a mx include:_sid.websupport.cz include:_sid.m1.websupport.sk ?all

Email authentication weak

SPF
v=spf1 a mx include:_spf.websupport.cz include:_spf.m1.websupport.sk ?all
neutral (?all)
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwSzc8QmlFbuH3eoVB8/2MyIDEvLIBRRV64MFepgAeT/XTcq+bA921ufnKHzAp1FJv5vdhzGSFL/VAn…
selectors probed

Certificate (current)

R12
from 2026-04-19 to 2026-07-18
Expires in 45 days

HTTP security headers

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

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

Linked from (2)