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zsem.edu.pl

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First seen 2026-06-04 · Last seen 2026-06-04 · pending crawled 2026-06-04 4 attempts

PL · 195.164.141.109 · AS204679 Naukowa I Akademicka Siec Komputerowa - Panstwowy Instytut Badawczy

Reputation 92/100 no dmarc policy

ssl error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1000)

DNS records live

NS
  • ns1.nazwa.pl
  • ns2.nazwa.pl
MX
  • 10 zsemgc.nazwa.pl
TXT
  • 2e4b7a70344025ca96e601d0898a7c7f4d8d3e2dc18e7efd238a551b8a841280
Verified for
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 mx a ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

nazwaSSL DV TLS G2 E29 CA
from 2025-08-08 to 2026-08-08
Expires in 64 days

Full certificate history on crt.sh ↗

Linked from (1)