zpk.org
Observed Aug 3, 2026, 08:18 UTC (5h 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
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zpk.org actually stands on - every host below is a signed observation
zpk.org
A / AAAA
76.76.21.21
unattributedserves the site
NS
dns1.elca-cloud.comdns2.elca-cloud.comdns3.elca-cloud.comdns4.elca-cloud.com
elca-cloud.comanswers its DNS
MX
zpk-org.mail.protection.outlook.com
Microsoft 365receives its email
TLS
zpk.org
Let's Encryptissued its certificate
DNS Records
A 1
76.76.21.21
MX 1
10zpk-org.mail.protection.outlook.com
TXT 3
google-site-verification=3V99yg5HYM2j9KfC734az3rOEvyBiBE5szEkax0PQjsMS=ms96804132v=spf1 a:mail.kunstmuseumbern.ch a:mail.zpk.org a:commodus.metanet.ch a:sui-inter.net ip4:83.150.39.130 ip4:54.246.220.150 ip4:54.246.224.90 include:_spf.sui-inter.net include:spf.protection.outlook.com include:_spf.createsend.com include:_spf.zimpel.de -all
NS 4
dns1.elca-cloud.comdns2.elca-cloud.comdns3.elca-cloud.comdns4.elca-cloud.com
SOA 1
dns1.elca-cloud.com admin\@ch.elca-cloud.com
DMARC_RECORDS 1
v=DMARC1; p=none;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
zpk.org |
C=US, O=Let's Encrypt, CN=YR1 | Mon, 28 Sep 2026 11:18:38 +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 (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_4bfff1bee9d7ef40- Output Hash
1b5f1dbac1567e480dde5f2dd32758dd878535b96b71a1970a5914822c1da783- Signature
ed25519:93847e3d8c4008e474f27ae91250f4c627e7769c60bc31388fe7258296e1cdc9d7926b75106451fcae5719c48f604e6196bc7bb0b2d4f1a34f45b46c18e8510b- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast