optimizely.com

Observed 2026-07-13T00:04:07.288957393+00:00 (10h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Email byMimecast

Secured byLet's Encrypt

Registered withGoDaddy.com, LLC

Also usesDocuSignDockerFacebook/MetaGoogle Search ConsoleZoomAtlassianFigma

DNSSEC on · data_analytics

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

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

optimizely.com

A / AAAA

216.150.1.1216.150.16.1

unattributedserves the site

doug.ns.cloudflare.comharmony.ns.cloudflare.com

cloudflare.comanswers its DNS

de-smtp-inbound-1.mimecast.comde-smtp-inbound-2.mimecast.com

Mimecastreceives its email

TLS

optimizely.com

Let's Encryptissued its certificate

DNS Records

A 2

216.150.1.1
216.150.16.1

MX 2

10de-smtp-inbound-1.mimecast.com
20de-smtp-inbound-2.mimecast.com

TXT 78

FMTFZVQRM
MS=ms12641694
MS=ms74851995
00D4J0000002msD=1TBPz00000000hZ
8x3658gpctg4h1vbnzmm2432bxsfxcz0
dropbox-domain-verification=1gn35nocfdjx
loaderio-69745689fd1dbf2e7a4fef37b749c433
loaderio=9f2321067d0a5ed2165da78a078a2125
apple-domain-verification=9Mq9EOa61FT430k8
docusign=5ef03274-ba7e-4497-b1c8-68822293b6df

NS 2

doug.ns.cloudflare.com
harmony.ns.cloudflare.com

SOA 1

doug.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`optimizely.com`	C=US, O=Let's Encrypt, CN=YR2	Sat, 19 Sep 2026 22:14:23 +0000
`YR2`	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 optimizely.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 3a1d8f21-f80f-41ef-b9e5-f9752770577f
Output Hash: bef08041e929c2ed6d5f3f3c2daecc9d71a46f5a12fb3908d23e09c4742154db
Signature: ed25519:9404f59560fc3440168ed47d882d2fb8edbeef408f47b1360cc62e47d9c3fd6e44cf4e4ed5cc1ea1f8faebe02ccd4e84ce2ea2bb5daaad57d748d3837078e705
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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