doucma.sk
Observed Jul 25, 2026, 17:46 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.
Guarded by a firewall
Runs onCloudflare
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 doucma.sk actually stands on - every host below is a signed observation
doucma.sk
A / AAAA
104.21.20.121172.67.192.1692606:4700:3037::ac43:c0a92606:4700:3030::6815:1479
Cloudflareserves the site
NS
burt.ns.cloudflare.compiper.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mailin2.doucma.skmailin1.doucma.sk
doucma.skreceives its email
TLS
doucma.sk
Let's Encryptissued its certificate
DNS Records
A 2
104.21.20.121172.67.192.169
AAAA 2
2606:4700:3037::ac43:c0a92606:4700:3030::6815:1479
MX 2
10mailin2.doucma.sk5mailin1.doucma.sk
TXT 4
google-site-verification=9pyrzm9T7R4VUDqUBwcDSZOc9p8OLvCy2g2EEfox_QMspf2.0/pra a mx include:_sid.m1.websupport.sk ?allv=spf1 a mx include:_spf.m1.websupport.sk -allv=DMARC1; p=reject; ruf=mailto:dmarc@doucma.sk; fo=1
NS 2
burt.ns.cloudflare.compiper.ns.cloudflare.com
SOA 1
burt.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
doucma.sk |
C=US, O=Let's Encrypt, CN=YE1 | Sat, 19 Sep 2026 06:30:53 +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_54eb6abc91a7603d- Output Hash
87fd7a2ccb97c0352bd2ddfc10a0c1e945f6fce6e74f5b82702065209f3ce182- Signature
ed25519:43c74cff89c8069439b3648fa76e2dbf917393907da9180acdf9d64920caa8d307d7e794fe7f9956fb67e8fc1f0d80d49cab904ce7413beb5c604d98ccc7e305- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast