CONTINUOUS INTERNET TELEMETRY24H DRIFT31,420 material changesacross 29,745 domains · 24h to ~45m agoSHIFT22 domains moved DNS from brainydns.com to koaladns.coma coordinated move · 24hNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,162 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,262 sites429 rate-limit / 403 bot-block, a posture signal

up.pt

Observed Aug 3, 2026, 01:58 UTC (23h 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
NS
ns1.up.ptns2.up.ptns3.up.ptns4.up.pt+1 more
up.pt + fccn.ptanswers its DNS
MX
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 7

  • 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

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"

DMARC_RECORDS 1

  • v=DMARC1; p=none; rua=mailto:dmarc@up.pt; ruf=mailto:abuse@up.pt; pct=100; ri=86400; adkim=r; fo=1; aspf=r

TLS Certificates (3)

Common NameIssuerExpires
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)

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

Ed25519 Receipt

Receipt ID
rcpt_2e2eb29c2d276211
Output Hash
ffa539ae348e90ee77511c48b3abfb3c2de78c392baaae9583244b539d656b30
Signature
ed25519:0917b8272e66e095e592b7fadfd51e6ef2ea19a8fc88f9f51578f8306ae9924c40dfe790c8c1b9904553457669c27fd67756b831c7b59ca466f7283ebe0bb400
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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