indexo.dev

um.cieszyn.pl

.pl crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP 200 879 ms crawled 2026-05-31

PL · 94.152.139.68 · AS29522 Cyber_Folks S.A.

Reputation 95/100 weak security headers

DNS records live

NS
  • ns1.tld.pl
  • ns2.tld.pl
MX
  • 10 um.cieszyn.pl
TXT
Show 5 TXT records
  • 3a05994df786f8db469b2cd558d63da78b3cdc9fa94c5d924fb7f93790cc6fbc
  • a7e838558b1f3bc7c60f29fe98f0ccbea46e360dd4ab3c8cf79865e47e0420c6
  • mojecertpl-site-verification-IqYOWaHtrFR0QJSTJRs9ENpoZJMaAB7R
  • efc7b85b187ba5c0ed1103c4b02db351827fd9deff921a13ac61ab8440e1b0d8
  • k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCeJz43MYOIlsp3dNheFpxpILvzSkJAbCFmzeXGhMjTHk1Y/dltV1ncnvxvjL9jFJNtF3p32NVAkfKJhGE4bYvxDAuoYife3YL0EZI3xckMXXjy6PPIWDb3VLY1v6vtaobGdSH00X7lAoGLNVTKWJlZERTdvr6+LcV98B4AcS5kyQIDAQAB

Email authentication strong

SPF
v=spf1 include:_spf.mlsend.com a mx include:spf.tld.pl -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@um.cieszyn.pl; ruf=mailto:dmarc@um.cieszyn.pl; pct=100; adkim=s; aspf=s;
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

Certum DV TLS G2 R39 CA
from 2026-03-18 to 2026-10-03
Expires in 124 days

Full certificate history on crt.sh ↗

Linked from (3)