alta.com
Observed Jul 23, 2026, 00:39 UTC (2d 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 usesFacebook/Meta
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat alta.com actually stands on - every host below is a signed observation
alta.com
A / AAAA
134.209.129.97
unattributedserves the site
NS
ns15.worldnic.comns16.worldnic.com
worldnic.comanswers its DNS
MX
alta-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
alta.com
Let's Encryptissued its certificate
DNS Records
A 1
134.209.129.97
MX 1
0alta-com.mail.protection.outlook.com
TXT 10
MS=ms569975284sj0tttr46ulpram7njjtjv99ok5euv5if0e4bjqkdc0v7iucf7rg6khsgodtpc9r1dksa37f1qv2nfacebook-domain-verification=y8gelwqrclcca7qc9xrnfac7j7gshl7i9hvbg5kgi3opa9fmn3il3gh0v=spf1 ip4:209.141.127.18 ip4:67.216.225.71 ip4:13.93.230.8 include:spf.protection.outlook.com include:protection.outlook.com include:relay.alta.com include:bluehornet.com -allyrCSZIp4LppEDsn7q5EpeortCVvXkzt+D9mF8Sk6kCQyUnBlAopxQuc0eg/mSqW+314hlWFHJ/AZjIIy7Ayu5w==pax8validatev=DMARC1; p=none; fo=1; rua=mailto:40840b83@mxtoolbox.dmarc-report.com; ruf=mailto:40840b83@forensics.dmarc-report.com;
NS 2
ns15.worldnic.comns16.worldnic.com
SOA 1
NS15.WORLDNIC.com namehost.WORLDNIC.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
alta.com |
C=US, O=Let's Encrypt, CN=YE1 | Sun, 27 Sep 2026 15:07:51 +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 (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_a26014b758fee115- Output Hash
c5810ed817e3b0543aa857a3c87edcb235c41a39cd57e00e42ccf72f1031f847- Signature
ed25519:4d78043cf644f69a51a50ce2834c8d07d7112dafc7f243289553c8c2508ebc5ca0319e368d1174263d98a68932c1c3717a3184c546374354ed3960c9b7b6b905- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast