rubi.cat

Observed Jul 25, 2026, 06:16 UTC (7d 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

Secured byLet's Encrypt

1 subdomain · tranco

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

INFRASTRUCTURE MAPwhat rubi.cat actually stands on - every host below is a signed observation

rubi.cat

A / AAAA

35.157.26.13

unattributedserves the site

leonidas.ns.cloudflare.commartha.ns.cloudflare.com

cloudflare.comanswers its DNS

mx-01-eu-central-1.prod.hydra.sophos.commx-02-eu-central-1.prod.hydra.sophos.com

sophos.comreceives its email

TLS

rubi.cat

Let's Encryptissued its certificate

DNS Records

A 1

35.157.26.13

MX 2

10mx-01-eu-central-1.prod.hydra.sophos.com
20mx-02-eu-central-1.prod.hydra.sophos.com

TXT 5

1697698606540
3iiee75cra5ims1n1pha5mrane
sophos-domain-verification=c4e95cba19a6739a819453ece43a1e5555f09fff
v=spf1 include:_spf.prod.hydra.sophos.com ~all
v=DMARC1; p=none; rua=mailto:sistemes@ajrubi.cat

NS 2

leonidas.ns.cloudflare.com
martha.ns.cloudflare.com

SOA 1

leonidas.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`rubi.cat`	C=US, O=Let's Encrypt, CN=YR1	Fri, 28 Aug 2026 00:20:53 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

www.rubi.cat

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 rubi.cat. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_ff0380338b8223d4
Output Hash: d769c715a23356ee1eda8aafd7890da63e6bc605c3ce3cfbe44f955dbba5bfee
Signature: ed25519:415890805647d2afcc8639d4231faaadeb8c89018454f74c9bfaab9d24e3c0dcfecce898cbe3d273b10aa8d3067ffa3330745727a4869a2ffbee8d382f8a170a
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/rubi.cat