indexo.dev

hosting51.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 244 ms crawled 2026-05-31

DE · 164.90.180.92 · AS14061 DigitalOcean, LLC

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Hosting 51

Technology

Server
Apache

Contact

Email

DNS records live

NS
  • dns1.hosting51.eu
  • dns2.hosting51.eu
MX
  • 10 mail.hosting51.cz
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 a mx ip4:164.90.180.92 include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDm4NVJCB7k5RuWz2ICHjwUuDOQNZXuCmvyMMd/T8zw+NODFsT84wjew7dmE8pYKjcvcHq4Jc5S/hZh7c1pKi…
selectors probed

Certificate (current)

R13
from 2026-04-25 to 2026-07-24
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://hosting51.cz/

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

Linked from (1)