up.pt

Observed Jul 24, 2026, 20:11 UTC (8d 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.

Verify this receipt yourself + Watch this domain

Up right now

Runs onCloudflare

Secured byHellenic Academic and Research Institutions CA

Also usesGoogle Search Console

IPv6 · 1 subdomain · tranco

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

INFRASTRUCTURE MAPwhat up.pt actually stands on - every host below is a signed observation

up.pt

A / AAAA

193.137.55.132001:690:2200:a10::13

Cloudflareserves the site

ns1.up.ptns2.up.ptns3.up.ptns4.up.pt+1 more

up.pt + fccn.ptanswers its DNS

mx01.up.ptmx02.up.ptmx03.up.ptmx04.up.pt+2 more

up.ptreceives its email

TLS

up.pt

Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

193.137.55.13

AAAA 1

2001:690:2200:a10::13

MX 6

10mx01.up.pt
10mx02.up.pt
10mx03.up.pt
10mx04.up.pt
10mx05.up.pt
10mx06.up.pt

TXT 8

MS=ms16675765
HARICA-odgH2dLCMNQenduoC39
google-site-verification=7hF_ZD6DOKHK8MLopRWBZvby2A0gBGVQi-kvLqdkxGo
google-site-verification=eMy_WDqKW1lght0VDzrPfEFh0osBa3BtcILLuMxX5jI
v=spf1 mx include:spf4.up.pt include:spf6.up.pt include:spf.protection.outlook.com -all
OIIBdX0Cy1Ay7dAnhFQmuuqdTwtlthv23weewGfmKBDcfrmo2WOrjGfPx8ZFpan5QNfIvto7Jp/S5Do/UpSghA==
adobe-idp-site-verification=491feeefc019f19c6030bf87ace8477470d9a78bb3e660161ad02c3b3dbfe51e
v=DMARC1; p=none; rua=mailto:dmarc@up.pt; ruf=mailto:abuse@up.pt; pct=100; ri=86400; adkim=r; fo=1; aspf=r

NS 5

ns1.up.pt
ns2.up.pt
ns3.up.pt
ns4.up.pt
ns02.fccn.pt

SOA 1

ns1.up.pt it.up.pt

SRV 2

sbcuporto.voip.up.pt:5060 p10
mail.up.pt:443 p0

CAA 4

iodef "mailto:incidente.seguranca@uporto.pt"
issue "harica.gr"
issue "letsencrypt.org"
issue "pki.goog"

TLS Certificates (3)

Common Name	Issuer	Expires
`up.pt`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1	Fri, 20 Nov 2026 06:34:01 +0000
`GEANT TLS RSA 1`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS RSA Root CA 2021	Sat, 31 Dec 2039 11:14:59 +0000
`HARICA TLS RSA Root CA 2021`	C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions RootCA 2015	Fri, 31 Aug 2029 07:41:54 +0000

Subdomains (1)

www.up.pt

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 up.pt. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_efa02c51af951b8c
Output Hash: 9dc142c5713b0ed4a057f71253da45e58f111e4c36386ae1e92470b7d8311d9a
Signature: ed25519:3c2b4e22534d341c38976b98d1febc2e6d23eecee941b74f9b21ad4ab6a414bdc05d78a8d6a7d602574a4ee016e08fb952e605cdc4d421cfeeef0ec2bde09603
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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