ursa.fi
Observed Jul 25, 2026, 15:23 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 byGoogle Workspace
Secured byLet's Encrypt
Also usesGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ursa.fi actually stands on - every host below is a signed observation
ursa.fi
A / AAAA
185.218.88.68
unattributedserves the site
NS
cp-ns2.wmhost.comcp-ns1.wmhost.com
wmhost.comanswers its DNS
MX
alt4.aspmx.l.google.comaspmx.l.google.comalt1.aspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
ursa.fi
Let's Encryptissued its certificate
DNS Records
A 1
185.218.88.68
MX 5
10alt4.aspmx.l.google.com1aspmx.l.google.com5alt1.aspmx.l.google.com10alt3.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 4
google-site-verification=KA2z9A3_0QL0-q9cjlnIgchnMXY0CvI5IPczY1ZIrIAMS=ms35758389v=spf1 ip4:89.166.50.73 include:_spf.google.com ip4:193.166.130.208 ip4:193.166.130.209 ip4:185.218.88.178 ip4:89.166.51.113 ip4:185.218.88.68 -allv=DMARC1; p=none; rua=mailto:dmarcreports@ursa.fi
NS 2
cp-ns2.wmhost.comcp-ns1.wmhost.com
SOA 1
cp-ns1.wmhost.com root.wmhost.com
SRV 1
cpanelemaildiscovery.cpanel.net:443 p0
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
ursa.fi |
C=US, O=Let's Encrypt, CN=YE1 | Tue, 01 Sep 2026 07:01:18 +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_86f79630b9673ba2- Output Hash
24020a7cf2cdd054d40e009dc051348875143a584870db2ecff259c9379e940e- Signature
ed25519:452c4250006fa0193f39135487ec63791b9ec9553d1f2aa6654917f82f4c145e18fe0eba1aac91500cae8a82efeee1837641c4c4a2c369345fb7012b11b3500e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast