pg.edu.pl
Observed Jul 21, 2026, 16:26 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.
Up right now
Runs onTechnical University of Gdansk
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesAtlassianGoogle Search Console
33 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat pg.edu.pl actually stands on - every host below is a signed observation
pg.edu.pl
A / AAAA
153.19.40.177
Technical University of Gdanskserves the site
NS
ns2.task.gda.plns1.pg.gda.plns2.pg.gda.pl
gda.planswers its DNS
MX
pg-edu-pl.mail.protection.outlook.com
Microsoft 365receives its email
TLS
cui.pg.edu.pl
Let's Encryptissued its certificate
DNS Records
A 1
153.19.40.177
MX 1
0pg-edu-pl.mail.protection.outlook.com
TXT 8
atlassian-domain-verification=m9AsDFi8xqWxPkdWa3Zpj0DR8XrkwCcnJI44VY8BFrO5nMuFabdr0hy7OApPChNPv=spf1 ip4:153.19.32.0/19 ip6:2001:4070:10:4000::0/118 include:spf.protection.outlook.com -allMS=ms84258068mojecertpl-site-verification-T21h7SmGEWmxYUOqCzEWiKCdEqK7FGU5google-site-verification=vXRAZ-rX3epUaVWUveBH342mHB2Ad8Y36sxHZIOa5OEatlassian-sending-domain-verification=994a38d6-a91b-4b06-9834-5608597b2bc4mojecertpl-site-verification-Z5ctXeZUMLpgkGQw7Q2Xs7Zzfem8N6VYv=DMARC1; p=quarantine; adkim=r; aspf=r; sp=none; rua=mailto:dmarc-reports@pg.edu.pl
NS 3
ns2.task.gda.plns1.pg.gda.plns2.pg.gda.pl
SOA 1
ns1.pg.gda.pl dns.pg.gda.pl
SRV 2
outlook.office365.com:993 p0smtp.office365.com:587 p0
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
cui.pg.edu.pl |
C=US, O=Let's Encrypt, CN=YE2 | Mon, 12 Oct 2026 08:11:09 +0000 |
YE2 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (33)
- chor.pg.edu.pl
- cjo.pg.edu.pl
- cmew.pg.edu.pl
- cmtm.pg.edu.pl
- ctbo.pg.edu.pl
- ctt.pg.edu.pl
- ctw.pg.edu.pl
- ctwt.pg.edu.pl
- cui.pg.edu.pl
- eduroam.pg.edu.pl
- jubileusz.pg.edu.pl
- otwarta.pg.edu.pl
- samorzad.pg.edu.pl
- studia.pg.edu.pl
- szkoly.pg.edu.pl
- task.pg.edu.pl
- www.chor.pg.edu.pl
- www.cjo.pg.edu.pl
- www.cmew.pg.edu.pl
- www.cmtm.pg.edu.pl
- www.ctbo.pg.edu.pl
- www.ctt.pg.edu.pl
- www.ctw.pg.edu.pl
- www.ctwt.pg.edu.pl
- www.cui.pg.edu.pl
- www.eduroam.pg.edu.pl
- www.jubileusz.pg.edu.pl
- www.otwarta.pg.edu.pl
- www.pg.edu.pl
- www.samorzad.pg.edu.pl
- www.studia.pg.edu.pl
- www.szkoly.pg.edu.pl
- www.task.pg.edu.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 receiptEd25519 Receipt
- Receipt ID
rcpt_488e59ced58b6d84- Output Hash
1ce8bc518eab841e5e3ace46a806f486f3be867afc47519e1c0d379be354b67f- Signature
ed25519:40b8eba99062087d3bda0e7752d042d632c46edcdd58e1e43578070f65771ba4e704ff2c7aeb5764f20c99ec864ecfcdbc6d9cccd7d42af8ef03f9b5d1c72408- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast