bookbub.com

Observed 2026-07-13T00:14:47.281191091+00:00 (11h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall

Runs onCloudflare

Email byGoogle Workspace

Secured byAmazon

Registered withGoDaddy.com, LLC

Also usesAtlassian

5 subdomains · push_legacy

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

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

bookbub.com

A / AAAA

3.171.100.133.171.100.1253.171.100.203.171.100.58

Cloudflareserves the site

ns-1127.awsdns-12.orgns-181.awsdns-22.comns-1908.awsdns-46.co.ukns-932.awsdns-52.net

awsdns-12.org + awsdns-22.com + moreanswers its DNS

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

Google Workspacereceives its email

TLS

bookbub.com

Amazonissued its certificate

DNS Records

A 4

3.171.100.13
3.171.100.125
3.171.100.20
3.171.100.58

MX 5

10aspmx.l.google.com
100aspmx2.googlemail.com
100aspmx3.googlemail.com
50alt1.aspmx.l.google.com
50alt2.aspmx.l.google.com

TXT 4

atlassian-domain-verification=2qPA/GKk5QkD8gxL2LXQRBxYHYIvFChAMXWYbSk73p9qMGsU8//4n0JaVkkgJP4O
v=spf1 include:_spf.outbound.bookbub.com include:_spf2.outbound.bookbub.com include:_spf.messages.bookbub.com include:_spf.email.bookbub.com include:_spf.google.com include:mail.zendesk.com include:trustpilotservice.com ~all
v=DMARC1; p=reject; pct=100; fo=0; rua=mailto:dmarc_agg@vali.email; ruf=mailto:dmarc.ruf@bookbub.com
v=BIMI1;l=https://a0.bookbub.com/bimi/bookbub_bimi_logo.svg;a=https://a0.bookbub.com/bimi/bookbub_bimi_cert_2025.pem

NS 4

ns-1127.awsdns-12.org
ns-181.awsdns-22.com
ns-1908.awsdns-46.co.uk
ns-932.awsdns-52.net

SOA 1

ns-181.awsdns-22.com awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`bookbub.com`	C=US, O=Amazon, CN=Amazon RSA 2048 M03	Fri, 09 Oct 2026 23:59:59 +0000
`Amazon RSA 2048 M03`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:26:04 +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 (5)

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

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

Ed25519 Receipt

Receipt ID: 230548cd-f58f-4f27-9059-548b52a0c157
Output Hash: 61c40d5604c6674a491476281a8d8d995a7c6410a9e135873ba106766b350639
Signature: ed25519:6dc747308195253c778a96014eaf1649a0cc5a2807de08c5edc4b7421e9fd1db742d9690d0807f32edecef5a2e665d156a04ad9dee25fc695843953aa6e1b604
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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