qt.io

Observed Jul 18, 2026, 12:57 UTC (19h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMicrosoft 365

Secured byLet's Encrypt

Also usesGoogle Search ConsoleAtlassianMiroHubSpotNotion

tranco_20k

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

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

qt.io

A / AAAA

52.18.144.254

Cloudflareserves the site

ns-243-b.gandi.netns-175-a.gandi.netns-49-c.gandi.net

gandi.netanswers its DNS

qt-io.mail.protection.outlook.com

Microsoft 365receives its email

TLS

qt.io

Let's Encryptissued its certificate

DNS Records

A 1

52.18.144.254

MX 1

11qt-io.mail.protection.outlook.com

TXT 28

d358f430575bfe0c07fe7d85e526cda4
MS=ms34905030
google-site-verification=x8WScTrJ9ix9wGVVMih54OmbjQlcTb93z1HWxVZSOKo
google-site-verification=bIhnm2Ko3OmLAEP0Dqp0_aJNyJz9zj6KyJKAb1Lo-es
adobe-idp-site-verification=5a9d3918e132584ef70084471019760d1f5fb941fe9b3ddc4a77230d2ca07960
apple-domain-verification=GWcDIO9uyCe4GGpL
google-site-verification=XaLRKRce2ApHGZ6a8Q9VYSPgfygWOFbPYBRA8eE4Zvg
arcules-domain-verification=92HOwpXQ4tbPBwDdib1idz8C7aQti4XGrIdVw6iaDQ3
google-site-verification=dnHgPPxUI9getHLFrlO7Fpx8GY4Pd9230AELyJkvgNs
google-site-verification=d8jqwffKE2mRhvhJdZTPxD9XLjwpsYON51TAzNZZfx8

NS 3

ns-243-b.gandi.net
ns-175-a.gandi.net
ns-49-c.gandi.net

SOA 1

ns1.gandi.net hostmaster.gandi.net

CAA 14

issuewild "entrust.com"
issue "amazon.com"
issue "certainly.com"
issue "globalsign.com"
issue "digicert.com"
issuewild "pki.goog"
issuewild "digicert.com"
issue "letsencrypt.org"
issuewild "globalsign.com"
issue "amazontrust.com"

TLS Certificates (3)

Common Name	Issuer	Expires
`qt.io`	C=US, O=Let's Encrypt, CN=YR1	Wed, 02 Sep 2026 22:40:11 +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 (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 receipt

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

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

Ed25519 Receipt

Receipt ID: ab165e85-34ad-481d-b733-cb4f47c75491
Output Hash: febd607045fd1b462f099a9802787e14982262c9e07cfb81d957823fed57b06e
Signature: ed25519:6370c7acfc673f487ad81e018072abd2dce1f79c3e1eed15673cf6f2cb44272eb2a33a998ce0ae66540cc5569a6a5a549bddeb2b0729b8aa051ffb5f69df4200
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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