intsig.net

Observed Jul 18, 2026, 08:11 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onChina Telecom (Group)

Email bySendGrid

Registered withAlibaba Cloud Computing (Beijing) Co., Ltd.

tranco_10k

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

INFRASTRUCTURE MAPwhat intsig.net actually stands on - every host below is a signed observation

intsig.net

A / AAAA

113.31.107.117

China Telecom (Group)serves the site

ns-96.awsdns-12.comns-939.awsdns-53.netns-1318.awsdns-36.orgns-183.awsdns-cn-11.com+2 more

awsdns-12.com + awsdns-53.net + moreanswers its DNS

mxbiz2.qq.commxbiz1.qq.com

SendGridreceives its email

HTTPS probe

server_error Server error (5xx) 521 Server Error

HTTP status521

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time263 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

113.31.107.117

MX 2

10mxbiz2.qq.com
5mxbiz1.qq.com

TXT 3

apple-domain-verification=9LaW3MlMBKz9VqqD
v=spf1 include:spf.mail.qq.com include:spf.intsig.net include:sendgrid.net -all
v=DMARC1; p=none; rua=mailto:dmarc@intsig.net

NS 6

ns-96.awsdns-12.com
ns-939.awsdns-53.net
ns-1318.awsdns-36.org
ns-183.awsdns-cn-11.com
ns-2804.awsdns-cn-47.biz
ns-1800.awsdns-33.co.uk

SOA 1

ns-1318.awsdns-36.org awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (11)

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 intsig.net. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 20476272-75df-4d2f-812a-a3dc1367808f
Output Hash: aef30986014888a213bddff4ba6d61a5750ba90a10f8ea9ca3e74ae5579d9850
Signature: ed25519:3d46e86d393bb9e945d7ea47eb701647e5a484d03898cd72c97c2b1008a9403a0ca38d3113cd0b442084ee2aa56b3bae1ac3515bfb91ee6bfa1772ebdb01fd0f
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/intsig.net