jonasjohn.de
Observed Aug 16, 2026, 11:19 UTC (9h 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
Google WorkspaceSecured byLet's Encrypt
Let's EncryptIPv6 · 1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jonasjohn.de actually stands on - every host below is a signed observation
jonasjohn.de
A / AAAA
91.204.46.462a03:4000:30:8188::13:3515
2a03serves the site
NS
second-dns.netcup.netthird-dns.netcup.netroot-dns.netcup.net
netcup.netanswers its DNS
MX
ASPMX3.GOOGLEMAIL.COMASPMX.L.GOOGLE.COMALT1.ASPMX.L.GOOGLE.COMALT2.ASPMX.L.GOOGLE.COM+1 more
Google Workspacereceives its email
TLS
jonasjohn.de
Let's Encryptissued its certificate
DNS Records
A 1
91.204.46.46
AAAA 1
2a03:4000:30:8188::13:3515
MX 5
10ASPMX3.GOOGLEMAIL.COM1ASPMX.L.GOOGLE.COM5ALT1.ASPMX.L.GOOGLE.COM5ALT2.ASPMX.L.GOOGLE.COM10ASPMX2.GOOGLEMAIL.COM
TXT 1
v=spf1 include:_spf.google.com ~all
NS 3
second-dns.netcup.netthird-dns.netcup.netroot-dns.netcup.net
SOA 1
root-dns.netcup.net dnsadmin.netcup.net
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
jonasjohn.de |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 08 Nov 2026 20:40:08 +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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_f5ec9449d398cd55- Output Hash
eb513623aa2e86d9f7c29bd33b82b86e2b3a47da1e7c2a5b27c378571fb1891e- Signature
ed25519:f4dc413ae4461e1f3859bb4777033c79371d16ed2e1c054f7fe33d4a65bfcc0bc5714dc5a52f08066892628641067c24c4ea86bdd48174c0f58fc7f5fbdf4e0d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast