upf.es

Observed Jul 25, 2026, 03:25 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 byLet's Encrypt

IPv6 · tranco

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

INFRASTRUCTURE MAPwhat upf.es actually stands on - every host below is a signed observation

upf.es

A / AAAA

104.21.9.45172.67.141.1852606:4700:3031::ac43:8db92606:4700:3037::6815:92d

Cloudflareserves the site

clyde.ns.cloudflare.commarge.ns.cloudflare.com

cloudflare.comanswers its DNS

TLS

upf.es

Let's Encryptissued its certificate

DNS Records

A 2

104.21.9.45
172.67.141.185

AAAA 2

2606:4700:3031::ac43:8db9
2606:4700:3037::6815:92d

TXT 4

ca3-431c5e1980c4498b9b12310035f007da
csx707kzm0br08twpyvyqfptdmmkp17p
v=spf1 -all
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

NS 2

clyde.ns.cloudflare.com
marge.ns.cloudflare.com

SOA 1

clyde.ns.cloudflare.com dns.cloudflare.com

CAA 3

issue "digicert.com"
issue "letsencrypt.org"
issue "sectigo.com"

TLS Certificates (4)

Common Name	Issuer	Expires
`upf.es`	C=US, O=Let's Encrypt, CN=YE1	Wed, 14 Oct 2026 23:17:58 +0000
`YE1`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (0)

None observed.

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 upf.es. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_9a179412a2b3e29a
Output Hash: e114154c464b25506668f56feac96a27a03c67891e711ec42b8878828d2c3af4
Signature: ed25519:ef6a145d4b347366c64c5fb652890a1c16e69d4d2ef0bb5ba0a7bb68794454d98b3d67e232720ab01ed4fa1b2d87d51e1be806b6c11340957104456407c94701
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/upf.es