CONTINUOUS INTERNET TELEMETRY24H DRIFT713 material changesacross 239 domains · last 24h · -94 vs yesterdayDNS DRIFT1 domain changed DNS providertop destination hichina.comNOW511 curated domains not reachable+89 vs yesterdaySITE ERRORS17,676 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 100,876 sites429 rate-limit / 403 bot-block, a posture signal

barcelona.cat

Observed Jul 24, 2026, 18:11 UTC (18h 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 onInstitut Municipal Barcelona Innovacio i Tecnologia
Secured byFirmaprofesional S.A.
Registered withEntorno Digital
1 subdomain · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat barcelona.cat actually stands on - every host below is a signed observation
barcelona.cat
A / AAAA
212.15.224.34
Institut Municipal Barcelona Innovacio i Tecnologiaserves the site
NS
ns3bcn.entorno.esns2.bcn.catns1.bcn.cat
entorno.es + bcn.catanswers its DNS
MX
bcnweb11.bcn.es
bcn.esreceives its email
TLS
*.barcelona.cat
Firmaprofesional S.A.issued its certificate

DNS Records

A 1

  • 212.15.224.34

MX 1

  • 10bcnweb11.bcn.es

TXT 8

  • cdc4d2b8-7e16-4688-b942-9ba037b1921d
  • 4m1sA2t0S5kEdxRw0cuASQK29Ys:1753-0C82-C8F8-F1A6-0767-E98B-32DC-8AF7
  • 91dd8ae7-52a7-48ce-a85c-52fad407bf69
  • _a5at1a0f2vfrjrluhhcpg507qo705om
  • v=spf1 ~all
  • d273f729-86fd-479c-9c35-692a8a34377c
  • 8B7F-418E-DBB6-6C5F-FEF4-5BE8-2CAB-6297
  • v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

NS 3

  • ns3bcn.entorno.es
  • ns2.bcn.cat
  • ns1.bcn.cat

SOA 1

  • ns1.bcn.cat jnunez.bcn.cat

TLS Certificates (3)

Common NameIssuerExpires
*.barcelona.cat C=ES, O=Firmaprofesional S.A., 2.5.4.97=VATES-A62634068, CN=AC Firmaprofesional - Secure Web 2025 Tue, 10 Nov 2026 14:23:50 +0000
AC Firmaprofesional - Secure Web 2025 C=ES, CN=Autoridad de Certificacion Firmaprofesional CIF A62634068 Fri, 25 Feb 2028 12:35:39 +0000
Autoridad de Certificacion Firmaprofesional CIF A62634068 C=ES, CN=Autoridad de Certificacion Firmaprofesional CIF A62634068 Mon, 05 May 2036 15:22:07 +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 barcelona.cat. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_b62e0a16a17e1585
Output Hash
4912be9ce6bbe2fde2113450a10d0df0a33cbf4b67e8de5bfde2754e9840aa4c
Signature
ed25519:5462cbe62c43b9bc06843a53034e55a306c269174ecbf9c1499e274c5d8b65b2e0fa26d25e47a471a6efa4fa703541771b6200b7ab28f3b0225e6170870dae0b
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser