astendo.de
Observed Jul 23, 2026, 08:29 UTC (2d 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 byMicrosoft 365
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 astendo.de actually stands on - every host below is a signed observation
astendo.de
A / AAAA
194.45.37.25
unattributedserves the site
NS
ns4.ip-projects.dens3.ip-projects.de
ip-projects.deanswers its DNS
MX
astendo-de.mail.protection.outlook.com
Microsoft 365receives its email
TLS
astendo.de
Let's Encryptissued its certificate
DNS Records
A 1
194.45.37.25
MX 1
10astendo-de.mail.protection.outlook.com
TXT 10
MS=ms12139445google-site-verification=kMwbbJXJDj3t_0hrzkHlGF7gNDkbwW96LiDNP9jmY5gSendinblue-code:599024d3697fbc9078aeb4e26dce5f0bMS=1E1CEBD4B672C50C6B702B35D79D8D301E4A3D32sendinblue-site-verification=2903113linkedin-site-verification=2dcc043b-30fa-446b-bd41-246d3b790f17v=spf1 mx a:mail.astendo.de include:spf.protection.outlook.com include:spf.sendinblue.com -allapple-domain-verification=o73p6BQPiO66kUnDbrevo-code:f4223e12b0fae7f2b33e833b1dce58cdv=DMARC1; p=quarantine; pct=100; rua=mailto:re+fulfkfplqoo@dmarc.postmarkapp.com; sp=none; aspf=r;
NS 2
ns4.ip-projects.dens3.ip-projects.de
SOA 1
ns3.ip-projects.de do-not-reply.astendo.de
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
astendo.de |
C=US, O=Let's Encrypt, CN=YR1 | Fri, 02 Oct 2026 17:24:43 +0000 |
YR1 |
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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_87ad93eec712742c- Output Hash
d2648568d1536f7c4576ae9e67ef0cd3c5c0bc69508f1852ccfa8740cabbe807- Signature
ed25519:1309401328e22068641dd6e2923b03c7d5eca665d32385541777335bcedefbc9a15a212e041a52d39e9b8593739a8313a1db07ba28862723323ec762ea2d480a- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast