umk.pl

Observed Jul 18, 2026, 13:23 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onNicolaus Copernicus University in Torun

Secured byHellenic Academic and Research Institutions CA

Registered withcyber_Folks S.A.

Also usesGoogle Search Console

1 subdomain · tranco_40k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat umk.pl actually stands on - every host below is a signed observation

umk.pl

A / AAAA

158.75.1.100

Nicolaus Copernicus University in Torunserves the site

blackbox.uci.umk.plns2.man.torun.plkoala.uci.umk.pl

umk.pl + torun.planswers its DNS

smtp.umk.pl

umk.plreceives its email

TLS

www.umk.pl

Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

158.75.1.100

MX 1

0smtp.umk.pl

TXT 12

eduroam:eduroam@umk.pl
HARICA-BkU6caYbdbja1jyahg4
mojecertpl-site-verification-cAYjqQ7JgQudGs0lNxS60mNYANHhr8iu
v=spf1 ip4:158.75.1.0/24 include:spf.protection.outlook.com -all
google-site-verification=Mfs4b5L34v0Orky7xtP_dsQvaIRqxpROBh_ha_LtV-I
google-site-verification=gZ82YwID1POxs7-5SR0MNyf5R3jvXnAn4jOZd4fEX0E
google-site-verification=xnAw5IdsivVh1pfmvH0zYEb9gAnaGH1qtkLmhQoZrhc
MS=ms42933934
MS=ms98947976
v=DMARC1; p=quarantine; sp=quarantine; adkim=r; aspf=r; rua=mailto:postmaster+dmarc@umk.pl; ruf=mailto:postmaster+dmarcforensic@umk.pl

NS 3

blackbox.uci.umk.pl
ns2.man.torun.pl
koala.uci.umk.pl

SOA 1

koala.uci.umk.pl dnsadmin.umk.pl

SRV 3

autodiscover.umk.pl:443 p0
imap.umk.pl:993 p0
smtp.umk.pl:587 p5

CAA 2

issuewild "harica.gr"
issue "harica.gr"

TLS Certificates (3)

Common Name	Issuer	Expires
`www.umk.pl`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS ECC 1	Mon, 01 Feb 2027 12:04:47 +0000
`GEANT TLS ECC 1`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS ECC Root CA 2021	Sat, 31 Dec 2039 11:14:20 +0000
`HARICA TLS ECC Root CA 2021`	C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions ECC RootCA 2015	Fri, 31 Aug 2029 07:44:36 +0000

Subdomains (1)

www.umk.pl

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for umk.pl. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/umk.pl">
  <img src="https://domaindrift.io/badge/umk.pl.svg"
       width="300" height="64" alt="DomainDrift signed observations for umk.pl">
</a>

Ed25519 Receipt

Receipt ID: 56dc698e-0cb4-486f-ae08-f2e8b1378d03
Output Hash: 89d772045b7d77fc3047c39cfaf47982e0d1c923ac66ecc16411c1897d69d4f9
Signature: ed25519:9bea1596f456ad0d3a3c2ca9dfe2eb6e6f72514cba118e3c5056312c655c2d0df8119249fa7cdcc62ef32aea5d5624dc422e7b6f8bb9a4a53f451c7b5cb1c402
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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