jkrause.io
Observed Aug 16, 2026, 08:05 UTC (4h 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 (SPF sender)
Google (SPF sender)Secured byLet's Encrypt
Let's EncryptIPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jkrause.io actually stands on - every host below is a signed observation
jkrause.io
A / AAAA
185.26.156.2472a00:d0c0:200:0:18dc:14ff:fe31:99e1
2a00serves the site
NS
ns17.domaincontrol.comns18.domaincontrol.com
domaincontrol.comanswers its DNS
MX
hegemone.uberspace.de
Google (SPF sender)receives its email
TLS
jkrause.io
Let's Encryptissued its certificate
DNS Records
A 1
185.26.156.247
AAAA 1
2a00:d0c0:200:0:18dc:14ff:fe31:99e1
MX 1
50hegemone.uberspace.de
TXT 1
v=spf1 include:_spf.google.com include:spf.uberspace.de ~all
NS 2
ns17.domaincontrol.comns18.domaincontrol.com
SOA 1
ns17.domaincontrol.com dns.jomax.net
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
jkrause.io |
C=US, O=Let's Encrypt, CN=YR2 | Fri, 30 Oct 2026 22:33:41 +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 (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_f67b2202868cee38- Output Hash
1a1258e7407bdef5eb4ea68b7ad3e798b7f2443508858c32f9f13c0aa783ac5c- Signature
ed25519:9f15007f11a8f4620a3825e69a62f715515bd478f807743451e80f522223ef15687082076178e0ecbd4a0a641dfe33b49b837d675bc683344b97ac4df6a52e03- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast