indexo.dev

mailsender.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-06-03 · ok HTTP/1.1 200 401 ms crawled 2026-05-31

CZ · 31.15.12.124 · AS25234 ACTIVE 24, s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
MailSender | Email marketing
Description
Služba MailSender.cz nabízí hromadnou rozesílku emailů (email marketing), tvorbu newsletter šablon a měření úspěšnosti newsletteru.

Open Graph

url
http://www.mailsender.cz
title
MailSender | Email marketing
description
Služba MailSender.cz nabízí hromadnou rozesílku emailů, včetně tvorby šablon a měření úspěšnosti newsletteru.

Technology

Server
nginx
jQuery
1.8.2 known XSS (<3.5)
Stack
PHP

Third-party hosts loaded (1)

  • ajax.googleapis.com×1

Contact

Email

Registration

Registrar
REG-INTERNET-CZ
Created
2012-05-01
Expires
2032-04-30 2156 days left
Updated
2017-11-23
Name servers
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
Show 7 MX records
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 20 alt2.aspmx.l.google.com
  • 30 aspmx2.googlemail.com
  • 30 aspmx3.googlemail.com
  • 30 aspmx4.googlemail.com
  • 30 aspmx5.googlemail.com
Verified for
  • Google

Email authentication partial

SPF
v=spf1 mx include:_spf.onlinefactory.cz include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-05-15 to 2026-08-13
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://www.mailsender.cz/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (2)