zkat.tech
Observed Aug 2, 2026, 20:30 UTC (6h 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
IPv6 · 1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zkat.tech actually stands on - every host below is a signed observation
zkat.tech
A / AAAA
185.199.108.153185.199.109.153185.199.110.1532606:50c0:8000::153+3 more
2606serves the site
NS
ns1.messagingengine.comns2.messagingengine.com
messagingengine.comanswers its DNS
MX
us1-smtp.messagingengine.comus2-smtp.messagingengine.com
messagingengine.comreceives its email
TLS
zkat.tech
Let's Encryptissued its certificate
DNS Records
A 3
185.199.108.153185.199.109.153185.199.110.153
AAAA 4
2606:50c0:8000::1532606:50c0:8001::1532606:50c0:8002::1532606:50c0:8003::153
MX 2
10us1-smtp.messagingengine.com20us2-smtp.messagingengine.com
TXT 2
v=spf1 include:spf.messagingengine.com ?allkeybase-site-verification=nSU5xxduRIOJr__om7jgJFF6Kwn1ktdYNt7-bBCSATU
NS 2
ns1.messagingengine.comns2.messagingengine.com
SOA 1
ns1.messagingengine.com postmaster.messagingengine.com
SRV 3
autodiscover.fastmail.com:443 p0imap.fastmail.com:993 p0:0 p0
DMARC_RECORDS 1
v=DMARC1; p=none;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
zkat.tech |
C=US, O=Let's Encrypt, CN=YR1 | Thu, 29 Oct 2026 22:59:21 +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_4048f0e368da4731- Output Hash
c148f08f68b9e4b30df4e019acc68a494b21903aa309f4dd9ba6e94eabe16111- Signature
ed25519:26bd050dd9f9392bdcfaa9c2557da1e79fc97bb9c53bad2ed4c934b65f98aa43b15f19f119c3d75691ae1b833596a7a0770402b3ee3956a3f23487d14475510b- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast