zip.dk
Observed Jul 25, 2026, 15:27 UTC (8d 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
7 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zip.dk actually stands on - every host below is a signed observation
zip.dk
A / AAAA
92.205.1.108
unattributedserves the site
NS
ns1.dns.servicesns2.dns.servicesns3.dns.services
dns.servicesanswers its DNS
MX
smtp1.mailfence.comsmtp2.mailfence.com
mailfence.comreceives its email
TLS
cpcalendars.zip.dk
Let's Encryptissued its certificate
DNS Records
A 1
92.205.1.108
MX 2
10smtp1.mailfence.com10smtp2.mailfence.com
TXT 4
v=spf1 include:_spf.mailfence.com ip4:92.205.1.108 a:zip.dk include:secureserver.net ~allv=DMARC1; p=none; rua=mailto:abuse@zip.dk; fo=1; adkim=r; aspf=rv=spf1 include:_spf.mailfence.com ip4:92.205.1.108 a:zip.dk include:secureserver.net ~allv=spf1 include:_spf.mailfence.com ip4:92.205.1.108 a:zip.dk include:secureserver.net ~all
NS 3
ns1.dns.servicesns2.dns.servicesns3.dns.services
SOA 1
ns1.dns.services post.dns.services
SRV 1
zip.dk:993 p0
CAA 1
issue "letsencrypt.org"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
cpcalendars.zip.dk |
C=US, O=Let's Encrypt, CN=YR2 | Tue, 29 Sep 2026 23:42:12 +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 (7)
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_ef7f954b6ae2efdb- Output Hash
01d0aa9f47fe1e59e31c4e79241dac744cdfc3fa8b58676d5bae3c33e3b591c6- Signature
ed25519:13297bdd5018fc1bc006e788e42ea2444e3c8559095428d022c659384b0d17c3126c8b5ac02811e5996b98cb22c65fa759ce0007d2f94ce106ef114d4d7a6c0a- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast