bartleby.com

Observed Jul 21, 2026, 19:38 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Guarded by a firewall

Runs onAmazon

Email byGoogle Workspace

Secured byAmazon

Registered withName.com, Inc.

Also usesAtlassianFacebook/MetaGoogle Search ConsoleSlack

push_legacy

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

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

bartleby.com

A / AAAA

13.226.209.4313.226.209.12413.226.209.4913.226.209.46

Amazonserves the site

ns-1443.awsdns-52.orgns-1563.awsdns-03.co.ukns-44.awsdns-05.comns-663.awsdns-18.net

awsdns-52.org + awsdns-03.co.uk + moreanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

*.bartleby.com

Amazonissued its certificate

DNS Records

A 4

13.226.209.43
13.226.209.124
13.226.209.49
13.226.209.46

MX 5

1aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 10

MS=ms37443491
atlassian-domain-verification=XDHtvWctzfZz5dFPy2tEI2x3D1sN1EwUUEzo9EmmtnuAh8p9x3g3MzYmq/331pyG
botify-site-verification=WNWNnK3oxQyk4eo62Wkpj4Kb68anV52S
facebook-domain-verification=cd0p4jbcrovz1p8uazmkvahduqva4c
google-site-verification=gcZDN7Jlh0L4rSRamS8hp69BT7kQE1o4f36tfOZBjIs
google-site-verification=if283_BqzxKUiaBzg7TFTuC1rNlnsHAtdH_zi5a_T6Q
google-site-verification=upx1QcrSllUfo-VOB1xNPArJfjC7h4o3Cy0xrVDIWdE
slack-domain-verification=b8qsltduJ23SiCOecYw2lTqQVLxe7dnDS7sp1Ipb
v=spf1 include:mail.zendesk.com include:aspmx.sailthru.com include:_spf.google.com include:amazonses.com -all
v=DMARC1; p=none; rua=mailto:e10a8d23@mxtoolbox.dmarc-report.com; ruf=mailto:e10a8d23@forensics.dmarc-report.com; fo=1

NS 4

ns-1443.awsdns-52.org
ns-1563.awsdns-03.co.uk
ns-44.awsdns-05.com
ns-663.awsdns-18.net

SOA 1

ns-1443.awsdns-52.org awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`*.bartleby.com`	C=US, O=Amazon, CN=Amazon RSA 2048 M01	Thu, 03 Dec 2026 23:59:59 +0000
`Amazon RSA 2048 M01`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:21:28 +0000
`Amazon Root CA 1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2	Thu, 31 Dec 2037 01:00:00 +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 bartleby.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_345c51fd5ba89ad3
Output Hash: 82f56afb0ac10bbfa0b0052a8c4607c1c24892755583e4ddac5c952937f28bdb
Signature: ed25519:f6161e83d4a9d0e83a23dbf39d98b0288fcb2f8ed98d4317a0e5cfae96273052ccfa433e14a79a0de1b0d56503cc36cc4925148cc58110aa373d8d9d8624b70b
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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