ralfguth.dev
Observed Aug 16, 2026, 10:55 UTC (22h 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
Secured byLet's Encrypt
Let's Encryptdomcop
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for ralfguth.dev in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
INFRASTRUCTURE MAPwhat ralfguth.dev actually stands on - every host below is a signed observation
ralfguth.dev
A / AAAA
216.198.79.1
unattributedserves the site
NS
johnny.ns.cloudflare.comvera.ns.cloudflare.com
cloudflare.comanswers its DNS
TLS
ralfguth.dev
Let's Encryptissued its certificate
DNS Records
A 1
216.198.79.1
NS 2
johnny.ns.cloudflare.comvera.ns.cloudflare.com
SOA 1
johnny.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
ralfguth.dev |
C=US, O=Let's Encrypt, CN=YR2 | Tue, 22 Sep 2026 13:03:48 +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 (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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_d4edd67aeb068c0a- Output Hash
0f8bb1f9ff16b186d2618b9547c6174af44175934ad75c2a048976c6b58103a5- Signature
ed25519:2e5efef65f0a22cbf43ccf212182d4c2df6fded0f90bc18023b73a657bfbb98684371c88055be561be8b763d1385783b8bba6f36a6f24b2f9a863d1936db050a- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast