indexo.dev

um.bialystok.pl

.pl dns crawl

First seen 2026-05-30 · Last seen 2026-06-02 · ok HTTP 200 1284 ms crawled 2026-05-31

PL · 212.33.91.214 · AS8865 Politechnika Bialostocka

Reputation 75/100 wrong cert

DNS records live

NS
  • dns.man.bialystok.pl
  • master.man.bialystok.pl
MX
  • 0 mx.um.bialystok.pl
  • 32767 ms14384983.ms1.invalid
TXT
  • 51371b1d8790273969ede819930e1c98
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx ip4:212.33.91.202/32 ip4:212.33.91.195/32 ip4:212.33.86.144/32 ip4:212.33.91.194/32 -all
strict (-all)
DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@um.bialystok.pl; sp=reject; adkim=r; aspf=r
policy: reject (enforced) · sp=reject
DKIM
  • dkim: k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA58gvstz5LLn7qZuDlDogwl4O08gF6tMSbtX8VREJejE2V77RwPbnAy1lm6lWTV8Ppb+WBQaYOZ8jTBRI/hklenn…
selectors probed

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36
from 2025-09-17 to 2026-09-18
Expires in 107 days

Full certificate history on crt.sh ↗

Linked from (4)