quizlet.com

Observed 2026-07-13T00:10:25.345785138+00:00 (7h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall

Runs onCloudflare

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesLinearDocuSignFacebook/MetaGoogle Search ConsoleAtlassian

3 subdomains · education_expanded

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

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

quizlet.com

A / AAAA

104.16.134.27104.16.133.27

Cloudflareserves the site

ian.ns.cloudflare.comlily.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+3 more

Google Workspacereceives its email

TLS

quizlet.com

Let's Encryptissued its certificate

DNS Records

A 2

104.16.134.27
104.16.133.27

MX 7

10aspmx.l.google.com
20alt1.aspmx.l.google.com
30alt2.aspmx.l.google.com
40aspmx2.googlemail.com
50aspmx3.googlemail.com
60aspmx4.googlemail.com
70aspmx5.googlemail.com

TXT 27

24F3373645
MS=ms29141506
762642896-4167472
K6b3CtLBfcqpRDNJfg7WcyP9qg
6bc7fbl8y9h6lng2n9mfymp16dy63g5s
_c6ifay1uuzwpf3c6q917aojjdd6p1ea
linear-domain-verification=c63cnkxcepz3
PAEZFEC4AVFC77KOVF1R0H57BRTMST936SZT1YXT
apple-domain-verification=GhqRH5BdB8mVkDUq
docusign=a6f2c83c-9542-4ba7-92e3-032b45a00375

NS 2

ian.ns.cloudflare.com
lily.ns.cloudflare.com

SOA 1

ian.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (4)

Common Name	Issuer	Expires
`quizlet.com`	C=US, O=Let's Encrypt, CN=YE1	Wed, 23 Sep 2026 16:17:28 +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 (3)

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 quizlet.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 9e17e6ca-d744-463d-aa06-a3cd349cb146
Output Hash: abde135a673936b49636a87c5dac6f435cceb22d974225227019197679dc3e52
Signature: ed25519:62f95d8f36bdf3737387d67b0938152f6c3baf114f22d7601afb280b8ab2cce2e270ae46da21c689a85e99da5f8dcdb1893a15953b94b1a7a1f6b84b56f92e06
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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