ruderfinn.com
Observed Jul 28, 2026, 21:25 UTC (14h 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 onCloudflare
Email byMicrosoft 365
Secured byGoogle Trust Services
Also uses1PasswordGoogle Search ConsoleHubSpot
IPv6 · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ruderfinn.com actually stands on - every host below is a signed observation
ruderfinn.com
A / AAAA
104.20.37.137172.66.170.662606:4700:10::6814:25892606:4700:10::ac42:aa42
Cloudflareserves the site
NS
alla.ns.cloudflare.comjakub.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
ruderfinn-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
ruderfinn.com
Google Trust Servicesissued its certificate
DNS Records
A 2
104.20.37.137172.66.170.66
AAAA 2
2606:4700:10::6814:25892606:4700:10::ac42:aa42
MX 1
0ruderfinn-com.mail.protection.outlook.com
TXT 11
1password-site-verification=5BAN4ORR7FFWLPLQCRB7VXI2DQMS=ms84398523adobe-idp-site-verification=36463171f01d1a3ca352786324c011d6a457e5a0314fe7a0442300415f668763anthropic-domain-verification-bfsnbp=hVzZLMnrMBQnVQyDhioparKd7apple-domain-verification=JuRaP1UxS5QXwu5Sgoogle-site-verification=2XbEreZ_gwk20lMqRUTSVHuRdZWhpJSkKbTtsyKR3j4google-site-verification=Za_CHGUOg9bCcQPiqttujw4_I0RCn3ilH9OHcEfXEzMgoogle-site-verification=qJ8pYo8iNW160ZfqwDpDFsMbrhwcKc373mrfK03Mlqcjamf-site-verification=YZt7sKfRuXqyx6vZpGai5wv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:zcsend.net include:1841966.spf01.hubspotemail.net ~all
NS 2
alla.ns.cloudflare.comjakub.ns.cloudflare.com
SOA 1
alla.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
ruderfinn.com |
C=US, O=Google Trust Services, CN=WE1 | Mon, 05 Oct 2026 01:27:06 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +0000 |
Subdomains (0)
None observed.
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_3b55bc64bdf0c393- Output Hash
ff3a0ef630bb4ce89aea93a3b62ed223bcbf69c1b4cf34918c5a1e4f1c6d8179- Signature
ed25519:b6def29bd06f515babf486097e7efdc2e828a9e5f75931c2cb3cf543b707904f228a96f83eaa38aa00aee5d6364d83b96ffc8dae27f722519e07a9708205560b- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast