uba.ar
Observed Jul 24, 2026, 17:54 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.
Up right now
Email byMicrosoft 365
Secured byLet's Encrypt
1 subdomain · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat uba.ar actually stands on - every host below is a signed observation
uba.ar
A / AAAA
157.92.5.15
unattributedserves the site
NS
dns31.cloudns.netns1.uba.arns2.uba.ardns34.cloudns.net+2 more
cloudns.net + uba.aranswers its DNS
MX
uba-ar.mail.protection.outlook.com
Microsoft 365receives its email
TLS
uba.ar
Let's Encryptissued its certificate
DNS Records
A 1
157.92.5.15
MX 1
0uba-ar.mail.protection.outlook.com
TXT 5
domain_verification.h=MAihv=spf1 redirect=_spf.uba.arcisco-ci-domain-verification=13001c6eb47e5e86f3d4e5bfdddedbcb2d9077fd2bef584e14837c4e1cc54149autodesk-domain-verification=WGWSWDDGeDiDIUPZrlDzv=DMARC1; p=quarantine; rua=mailto:postmaster-dmarc@uba.ar; ruf=mailto:postmaster-dmarc@uba.ar; pct=75; aspf=r; adkim=r; fo=1;
NS 6
dns31.cloudns.netns1.uba.arns2.uba.ardns34.cloudns.netdns33.cloudns.netdns32.cloudns.net
SOA 1
ns1.uba.ar oper.ccc.uba.ar
SRV 2
expwy-e1.uba.ar:5061 p10expwy-e2.uba.ar:5061 p20
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
uba.ar |
C=US, O=Let's Encrypt, CN=YR1 | Sun, 06 Sep 2026 03:04:23 +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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_81ae4da2ef72e353- Output Hash
250630bdefe58a861026e1528fc21ffdb9ce6b18303fb4bf48eba47a6fcee688- Signature
ed25519:82e98b8419d493d2763749a3cc1d7c80bc918528e376c4684bf4ae0334a0b706d7434c75af374c0601cea24b8e8fa5aec5291157be6023db9eb1be9e0c9c4c09- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast