rba.es
Observed Aug 9, 2026, 20:16 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.
Up right now
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesGoogle Search ConsoleAtlassianFacebook/Meta
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rba.es actually stands on - every host below is a signed observation
rba.es
A / AAAA
13.80.44.214
unattributedserves the site
NS
dns1.nominalia.comdns2.nominalia.com
nominalia.comanswers its DNS
MX
rba-es.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.rba.es
Let's Encryptissued its certificate
DNS Records
A 1
13.80.44.214
MX 1
5rba-es.mail.protection.outlook.com
TXT 22
google-site-verification=RcMrcHwsvTTQQsE5fPgsLwtd-6aNpIsgCM3m7vlvgYEextensis-domain-verification=d548634d-b883-43b6-bf96-5002ebbe804eacdupq4bq3etsmimrc2fugq16qamazonses:wvH59X5Up0eV7YAxP1Ul+8wiAT0Ju43ectcxCizPsG8=e7c70lba5f6rht713nq9iv5jaq5tujcmvbjtra651hpmpuuuc9ov5pppucbhe0pbga0vfvaj8bafn5amazonses:9VMlcSDl0C7Ok3oANB24gNfFJWDmXo98WdCDhxc+CM8=MS=DB08168D56A2E6C5B572D0439887AD330D2798FDEQxVl7k4p3TrVHpSVWSs7Wr2nzSw9DHpLoWgwRByWzU
NS 2
dns1.nominalia.comdns2.nominalia.com
SOA 1
dns1.nominalia.com root.dns1.nominalia.com
DMARC_RECORDS 1
v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@rba.es
BIMI_RECORDS 1
v=BIMI1; l=https://creatividades.rba.es/BIMI/rba_holding_de_comunicacion_s_l.svg; a=https://creatividades.rba.es/BIMI/rba_holding_de_comunicacion_s_l.pem
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.rba.es |
C=US, O=Let's Encrypt, CN=YR1 | Sun, 18 Oct 2026 07:28:37 +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)
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_31db45182273c4df- Output Hash
ac88eb0c45bbe1281b425d17f1bb8250db310031fbd51888eb30eaee185d12c0- Signature
ed25519:861395716d7b870bcaf190c8fc17fa8f2039e3412144788455fedbe520cc73a7847c6aff9cebec23b63133522337135d909ed4a9ae90d4f371701510a1451d0c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast