zthd.io

Observed Jul 18, 2026, 13:32 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Also usesGoogle Search Console

1 subdomain · tranco_40k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat zthd.io actually stands on - every host below is a signed observation

zthd.io

A / AAAA

199.36.158.100

Cloudflareserves the site

ns51.domaincontrol.comns52.domaincontrol.com

domaincontrol.comanswers its DNS

m1.feishu.cn

feishu.cnreceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/3

TLS issuernot observed

Behind Cloudflareyes

Response time42 ms

DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

199.36.158.100

MX 1

1m1.feishu.cn

TXT 3

google-site-verification=VzX7USuZvXUiuFQl8EwPSQBjDQpW6-HZYiy_ubBuEoI
verification-code-site-App_feishu=jgiB15KdkiCLwk0bhURw
v=spf1 +include:_netblocks.m.feishu.cn ~all

NS 2

ns51.domaincontrol.com
ns52.domaincontrol.com

SOA 1

ns51.domaincontrol.com dns.jomax.net

TLS Certificates (0)

None.

Subdomains (1)

img.zthd.io

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for zthd.io. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/zthd.io">
  <img src="https://domaindrift.io/badge/zthd.io.svg"
       width="300" height="64" alt="DomainDrift signed observations for zthd.io">
</a>

Ed25519 Receipt

Receipt ID: d76fc277-7a50-4ba6-9ad6-e3a062bb2da4
Output Hash: 08f67cd8d0d9ebbf1899d3e1b37fd9b3b31d9270532015edb5065ec96cf66e7d
Signature: ed25519:03d3449a11050f7463e5469137a431f831796cc41800ca0ef591e51f07df90bb7de73c5c27f285165f352b1924a69b322df42573e6656b0dbccb1c6a2ccf2303
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/zthd.io