zammad.org
Observed Jul 27, 2026, 10:04 UTC (6d 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
Also usesGoogle Search Console
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zammad.org actually stands on - every host below is a signed observation
zammad.org
A / AAAA
116.203.82.1662a01:4f8:c2c:6441::1
2a01serves the site
NS
ns1.dc.zammad.comns3.dc.zammad.comns2.dc.zammad.com
zammad.comanswers its DNS
MX
mx2.zammad.com
zammad.comreceives its email
TLS
zammad.org
Let's Encryptissued its certificate
DNS Records
A 1
116.203.82.166
AAAA 1
2a01:4f8:c2c:6441::1
MX 1
10mx2.zammad.com
TXT 5
google-site-verification=OnHthIAXc3auAw2CEZOj-JQppTuafR4fnut1KojftIgseobility=58bec52837228ae90246f9728ab6da3av=spf1 mx -allgoogle-site-verification=li8oBb4QdS9aygAOnGimTmUstBpHt5DrCJwx03VcjgQv=DMARC1; p=reject; sp=none; rua=mailto:dmarc@zammad.com; ruf=mailto:dmarc@zammad.com; fo=1; pct=100
NS 3
ns1.dc.zammad.comns3.dc.zammad.comns2.dc.zammad.com
SOA 1
ns1.dc.zammad.com hostmaster.zammad.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
zammad.org |
C=US, O=Let's Encrypt, CN=YE1 | Wed, 30 Sep 2026 02:15:35 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_2b7c9db7fe7ea949- Output Hash
c1bc522ff22cc2af456c66c6aabebbf2744072b4889ef839b5a189d600486bda- Signature
ed25519:219f20b2132946076eba7fb674d225d3677ce8985a79c8ac926b82f08e7dc3eee648232762fbef181b8f6c3c8f116c818956d6ecf572b5b46f456c1b6ab4a304- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast