CONTINUOUS INTERNET TELEMETRY24H DRIFT2,409 material changesacross 1,909 domains · last 24h · +493 vs yesterdayDNS DRIFT37 domains changed DNS providertop destination cloudflare.com · +7 vs yesterdayEMAIL DRIFT7 domains switched email providertop destination google.comCERT DRIFT7 domains switched issuing CA24hNOW498 curated domains not reachablelast probe, steadySITE ERRORS24,212 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 124,024 sites429 rate-limit / 403 bot-block, a posture signal

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

  • 193.137.200.165
  • 193.137.200.172

MX 1

  • 10smtp.uc.pt

TXT 7

  • uc.pt MS=ms59602945
  • uc.pt MS=ms92477265
  • HARICA-vHxVPrpCoSf0xRDHcGT
  • google-site-verification=qurHCpw6Vh6M2Aczua6ByDJMkzMsbnbbibxSO46rf04
  • google-site-verification=yp4C2Baj3VmOlZwu-3fuV3KD6EQzEBVKKeXi-E2KMrU
  • v=spf1 mx ip4:193.137.200.0/25 ip4:193.137.200.156 ip4:193.137.200.144 include:spf.protection.outlook.com -all
  • v=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.pt
  • ns-2.uc.pt
  • ns-5.uc.pt
  • ns02.fccn.pt

SOA 1

  • ns-1.uc.pt postmaster.ci.uc.pt

TLS Certificates (3)

Common NameIssuerExpires
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 receipt

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

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

Ed25519 Receipt

Receipt ID
rcpt_d187baf10c6f3113
Output Hash
de1fba5a0db62ed4a3c4366d320bfd2df15841d449667825f6279e6d8f6ed1d4
Signature
ed25519:93c7019323f905769837b59b0f7483a71a90114e64dea00afba435a56948005297c4baeb8c20c8369039ad1d4f49179b7451462380e8ff5cdf1603649aec4a00
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser