uc.pt
Observed Jul 24, 2026, 18:09 UTC (1d 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.
Guarded by a firewall
Runs onFundacao para a Ciencia e a Tecnologia
Secured byHellenic Academic and Research Institutions CA
Also usesGoogle Search Console
1 subdomain · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat uc.pt actually stands on - every host below is a signed observation
uc.pt
A / AAAA
193.137.200.165193.137.200.172
Fundacao para a Ciencia e a Tecnologiaserves the site
NS
ns-1.uc.ptns-2.uc.ptns-5.uc.ptns02.fccn.pt
uc.pt + fccn.ptanswers its DNS
MX
smtp.uc.pt
uc.ptreceives its email
TLS
uc.pt
Hellenic Academic and Research Institutions CAissued its certificate
DNS Records
A 2
193.137.200.165193.137.200.172
MX 1
10smtp.uc.pt
TXT 7
uc.pt MS=ms59602945uc.pt MS=ms92477265HARICA-vHxVPrpCoSf0xRDHcGTgoogle-site-verification=qurHCpw6Vh6M2Aczua6ByDJMkzMsbnbbibxSO46rf04google-site-verification=yp4C2Baj3VmOlZwu-3fuV3KD6EQzEBVKKeXi-E2KMrUv=spf1 mx ip4:193.137.200.0/25 ip4:193.137.200.156 ip4:193.137.200.144 include:spf.protection.outlook.com -allv=DMARC1; p=none; sp=none; adkim=r; aspf=r; rua=mailto:dmarc-reports@uc.pt; ruf=mailto:dmarc-reports@uc.pt; fo=1;
NS 4
ns-1.uc.ptns-2.uc.ptns-5.uc.ptns02.fccn.pt
SOA 1
ns-1.uc.pt postmaster.ci.uc.pt
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
uc.pt |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS ECC 1 | Wed, 03 Feb 2027 16:46:07 +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)
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_d187baf10c6f3113- Output Hash
de1fba5a0db62ed4a3c4366d320bfd2df15841d449667825f6279e6d8f6ed1d4- Signature
ed25519:93c7019323f905769837b59b0f7483a71a90114e64dea00afba435a56948005297c4baeb8c20c8369039ad1d4f49179b7451462380e8ff5cdf1603649aec4a00- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast