mertha.net

.net dns crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 688 ms crawled 2026-06-01

CZ · 89.185.252.198 · AS24971 MasterDC s.r.o.

Reputation 70/100 wrong cert weak security headers

Classifying

HTML metadata

Title
Správa sítě | Outsourcing | iPhone Servis - Mertha.net
Description
Správa firemních sítí, iPhone & iPad Servis, MS Exchange. Firemní sítě a servis iPhone. Velké know-how, zkušenosti, sítě jsou naší doménou.
Language
cz

Technology

Server
Apache
PHP
5.3.6 end of life
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Contact

Email

Registration

Registrar
Gransy, s.r.o.
Created
2004-10-01
Expires
2026-10-01 118 days left
Updated
2021-09-08
Name servers
  • ns.miton.cz
  • ns.mitoncz.com

DNS records live

NS
  • ns.stable.cz
  • ns.stable.sk
MX
  • 10 mail2.mertha.net
  • 5 server.mertha.net
TXT
  • MS=089FCA33DE12AA0BDBC6681284DBC67AEFD3F3B2
Verified for
  • Google

Email authentication strong

SPF
v=spf1 ip4:77.93.216.8 ip4:78.44.194.82 include:_spf.google.com a mx ~all
softfail (~all)
DMARC
v=DMARC1;p=reject;pct=100;rua=mailto:postmaster@mertha.net
policy: reject (enforced)
DKIM
  • mail: v=DKIM1; k=rsa; t=s ;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDUjpdzDoXw307h/8MJkRENwKnFn5Bsq9up1wiEr8r5RMrdFvGlDtsjc8phQmx9gNtAZ9dvm+t0R1TCS…
selectors probed

Certificate (current) wrong cert

GeoTrust TLS RSA CA G1
from 2026-02-20 to 2026-06-29
Expires in 24 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.mertha.net/

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

Links to (50)

Linked from (1)