indexo.dev

mkstrebic.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-28 · ok HTTP/1.1 200 833 ms crawled 2026-05-31

CZ · 217.16.184.116 · AS43541 VSHosting s.r.o.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Making sure you're not a bot!
Language
en

Technology

Server
nginx
CMS
Gatsby

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • 8v3qk0zt2j7rdgz6hp09p8hb8q373762

Email authentication strong

SPF
v=spf1 include:_spf.google.com mx:perfect-system.cz a:mail1.colosseum.eu ip4:185.64.219.201 ip4:217.16.184.116 ip4:217.16.184.138 ip6:2a00:1ed0:25::10 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; pct=100; rua=mailto:admin@mkstrebic.cz;
policy: quarantine
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrxqcbIMrcT4Nk6L4URPvpq445zKUcr2nkp+zhYHZQVf6c51h83a7Vy7rOXXDcYT57dsI1skT7ghR2bcu2VE…
selectors probed

Certificate (current)

R13
from 2026-04-27 to 2026-07-26
Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)