umu.se
Observed Jul 22, 2026, 00:11 UTC (13h 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
Runs onUmea University
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesGoogle Search Console
IPv6 · 1 subdomain · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat umu.se actually stands on - every host below is a signed observation
umu.se
A / AAAA
130.239.34.632001:6b0:e:4::23f
Umea Universityserves the site
NS
dns.norrnod.sens1.umu.sens2.umu.sesunic.sunet.se
norrnod.se + umu.se + moreanswers its DNS
MX
umu-se.mail.protection.outlook.com
Microsoft 365receives its email
TLS
umu.se
Let's Encryptissued its certificate
DNS Records
A 1
130.239.34.63
AAAA 1
2001:6b0:e:4::23f
MX 1
10umu-se.mail.protection.outlook.com
TXT 12
MS=ms67665161SITHSvalidation_2026-06-01apple-domain-verification=wvpPGCHPutwv8sFNd365mktkey=do4RwJcCFyifHpv8VXmWiOD2iMvLtZxVAmKxG2lC67wxd365mktkey=zJZxFO0CBxNVDhnxGyRgx4FjTgdjzGFURbxsxnFk9Xwxms-domain-verification=32da14bf-2093-482e-88da-93dbccfb3301ms-domain-verification=9bbba7e8-ef02-4821-ae92-53c46f94475egoogle-site-verification=3QRzBkzK-0uR7vxLD_KBRHDCO1R7J-ZefJaq1S_j-psD9lZBx3suL0GLn1jFFwg+JKq6XVNy1tJ5NveZtBpFxDnkrwGakeTASXynQ4bHWYojJKPhJmMDJHRLGqGg2bBhg==adobe-idp-site-verification=0a36aaa9f27607daee13d8a4132c8995fa1f532da3c7258c30e8410cfc0f1a7a
NS 4
dns.norrnod.sens1.umu.sens2.umu.sesunic.sunet.se
SOA 1
ns.umu.se hostmaster.umu.se
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
umu.se |
C=US, O=Let's Encrypt, CN=YR2 | Thu, 27 Aug 2026 12:30:24 +0000 |
YR2 |
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_58bbb35bbedc80c3- Output Hash
1753eaca983e70facba41b0146769ec6a95a1d0e6c4c719646d690c5a888dc24- Signature
ed25519:c207e1c9a2da5215cb77dabb2f35339df4cc5e400804499fde39fbd6f512c3821045c84b6588ad35fbaa7cb53d5d72c1900832a01b940a68266fea7220def20a- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast