usn.no
Observed Jul 27, 2026, 22:23 UTC (5d 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 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usn.no actually stands on - every host below is a signed observation
usn.no
A / AAAA
80.239.119.74
unattributedserves the site
NS
ns1.usn.nonn.uninett.no
usn.no + uninett.noanswers its DNS
MX
usn-no.mail.protection.outlook.com
Microsoft 365receives its email
TLS
usn.no
Let's Encryptissued its certificate
DNS Records
A 1
80.239.119.74
MX 1
10usn-no.mail.protection.outlook.com
TXT 6
DomainVerification=232P454WWIJXQKEZFWYTWU63OV04D5C32UQWZXG6AKQQ6E8M5L985PSMG4Y4FJ6Yd365mktkey=JBkJDeCEJxOtCrqneCKGTzQbntyfFm5vZPl7rWsv73Axv=spf1 include:spf0.usn.no include:spf1.usn.no include:spf2.usn.no include:spf3.usn.no include:spf4.usn.no include:spf5.usn.no include:spf6.usn.no include:spf7.usn.no -alld365mktkey=OPoxOx9v4OppwNHr1k9vPDckOxU2x5duxVoLlS4M5xMxd365mktkey=gwDAO0FzGcO6jBIB8WONlrI8WeYp1ovc8QgsG9X564Mxv=DMARC1; p=quarantine; pct=100; rua=mailto:mb-idbank-samhandling@usn.no,mailto:dmarc_agg@vali.email; ruf=mailto:mb-idbank-samhandling@usn.no; fo=1
NS 2
ns1.usn.nonn.uninett.no
SOA 1
ns1.usn.no hostmaster.usn.no
SRV 4
trd-mstgw2.uninett.no:5062 p10oslo-mstgw2.uninett.no:5062 p10trd-mstgw2.uninett.no:5061 p10oslo-mstgw2.uninett.no:5061 p10
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
usn.no |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 30 Aug 2026 03:53:41 +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_95889c508c2fa42d- Output Hash
93b38ff10e2be5fc76006514d0296b79c320bca7989e918639a7bb56aff41327- Signature
ed25519:2c6bae1dcb7e8691adfd4197bc2f6a5dee0ddad1f3592ad4505ddd94ac455d763cb709ddffe7ae4cfc6d2d537dccc872a0aa0af132489e1cc68fa61458482d0d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast