mcp.so

Observed Aug 11, 2026, 02:27 UTC (4d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of mcp.so was taken 4d ago

mcp.so is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting mcp.so under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch mcp.so Watching a domain needs a DRM3 account. The reading above stays free and public either way.

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Up right now

Runs onCloudflare

Secured byGoogle Trust Services

Registered withNameCheap

Also usesGoogle Search ConsoleFeishu

IPv6 · tranco

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

INFRASTRUCTURE MAPwhat mcp.so actually stands on - every host below is a signed observation

mcp.so

A / AAAA

104.21.40.140172.67.186.2292606:4700:3037::ac43:bae52606:4700:3033::6815:288c

Cloudflareserves the site

graham.ns.cloudflare.comullis.ns.cloudflare.com

cloudflare.comanswers its DNS

mx1.feishu.cnmx3.feishu.cnmx2.feishu.cn

feishu.cnreceives its email

TLS

mcp.so

Google Trust Servicesissued its certificate

DNS Records

A 2

104.21.40.140
172.67.186.229

AAAA 2

2606:4700:3037::ac43:bae5
2606:4700:3033::6815:288c

MX 3

1mx1.feishu.cn
10mx3.feishu.cn
5mx2.feishu.cn

TXT 3

google-site-verification=GBasukejAO-ZRSCybWLG7j3JziDjl7quuys9HF3P0OE
v=spf1 +include:_netblocks.m.feishu.cn -all
verification-code-site-App_feishu=qzkjAnxlebU7zRQgwGvp

NS 2

graham.ns.cloudflare.com
ullis.ns.cloudflare.com

SOA 1

graham.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`mcp.so`	C=US, O=Google Trust Services, CN=WE1	Wed, 21 Oct 2026 11:39:26 +0000
`WE1`	C=US, O=Google Trust Services LLC, CN=GTS Root R4	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R4`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +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; the only network request the check makes is for the published public keys.

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Ed25519 Receipt

Receipt ID: rcpt_a886c38824acecdf
Output Hash: 170cf202dd50f742b890b59701d54b0cb449b342186470385370e3f36ddfd651
Signature: ed25519:51a0ad9b80629bc3ff519448f27ddd5328cbbe5b49562ee44b70bd16ac6a709948996399af055bf1942d46070640f02cea5440b9b51260ed1a2b98008ad65304
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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