opensignal.com

Observed Jul 18, 2026, 13:07 UTC (21h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Secured byLet's Encrypt

Registered withAmazon Registrar, Inc.

Also usesAtlassianGoogle Search ConsoleHubSpot

tranco_20k

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

INFRASTRUCTURE MAPwhat opensignal.com actually stands on - every host below is a signed observation

opensignal.com

A / AAAA

199.60.103.145199.60.103.45

Cloudflareserves the site

ns-1147.awsdns-15.orgns-1815.awsdns-34.co.ukns-502.awsdns-62.comns-701.awsdns-23.net

awsdns-15.org + awsdns-34.co.uk + moreanswers its DNS

aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

91f9a2e4.sni.cloudflaressl.com

Let's Encryptissued its certificate

DNS Records

A 2

199.60.103.145
199.60.103.45

MX 5

1aspmx.l.google.com
10aspmx2.googlemail.com
10aspmx3.googlemail.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 14

4a63133dac2e4b6491bbae4d052564e1.opensignal.com
C7216CF472
MS=ms64119365
anthropic-domain-verification-ry8y0w=DvD8s66d7X5KEJGKow9ktBBSU
apple-domain-verification=lmTIEcFcbuB5XON0
asv=9b18cb67228d0afd8bd436df52fbe8e1
atlassian-domain-verification=2whV6EqQfNdj9pUuUBcAma9fsINHFJ2BYxemK319F/IUw3AocumxZyfjOJdRAXy/
cloudflare_dashboard_sso=ec23a4107d42174c4443b6cfcd28d601
google-site-verification=083Lo0zTiZTqMiWAaR4gx8IjeeAq053duEDP40IeDfk
google-site-verification=bN4s0tEEkXM5hPsgfJZeBaFkh9UuRPRDJy0pAdcMA1I

NS 4

ns-1147.awsdns-15.org
ns-1815.awsdns-34.co.uk
ns-502.awsdns-62.com
ns-701.awsdns-23.net

SOA 1

ns-1147.awsdns-15.org awsdns-hostmaster.amazon.com

TLS Certificates (4)

Common Name	Issuer	Expires
`91f9a2e4.sni.cloudflaressl.com`	C=US, O=Let's Encrypt, CN=YE1	Sat, 29 Aug 2026 11:35:22 +0000
`YE1`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	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 opensignal.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: d7e2b0e9-98a0-4779-8866-73e21d325013
Output Hash: d55abd9beb61145f81cc3e988180fcaa6349c03b56485782e89791d96713fd3e
Signature: ed25519:89bff12c2d433dac309d718fe1987bc53681d1292d2086d640ca8ad35a39e507642278b81664113d3f50a8ec6ad52b613ef8c43febd1b3ac9529376149cdb307
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/opensignal.com