flippingbook.com

Observed 2026-07-12T22:02:28.224Z (2h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Also usesGoogle Search Console

94 subdomains · tranco_10k

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

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

flippingbook.com

A / AAAA

3.86.120.57

Cloudflareserves the site

ns-1245.awsdns-27.orgns-996.awsdns-60.netns-1554.awsdns-02.co.ukns-264.awsdns-33.com

awsdns-27.org + awsdns-60.net + moreanswers its DNS

alt2.aspmx.l.google.comalt3.aspmx.l.google.comaspmx.l.google.comalt1.aspmx.l.google.com+2 more

Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time425 ms

DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

3.86.120.57

MX 6

5alt2.aspmx.l.google.com
10alt3.aspmx.l.google.com
1aspmx.l.google.com
5alt1.aspmx.l.google.com
20mail-out.flippingbook.com
10alt4.aspmx.l.google.com

TXT 12

google-site-verification=_Yf3cG13GgmuQTujaypgUIlKMSSaqFlg88eczSe1MwM
google-site-verification=NGt6Oetv-U6GAt2RRFcf6yIob260IHdAgtj6_lrLMbQ
apple-domain-verification=0DaNALzfZVtlsDLu
yahoo-verification-key=c6HDbLxaLhWLyZ+qRUd9Zt/gMuoytqQP8nJBEMcYnFM=
v=spf1 mx ip4:44.197.27.142 include:mail.zendesk.com include:spf.mandrillapp.com include:servers.mcsv.net include:_spf.google.com ~all
yahoo-verification-key=07OfRpQLBbg4b/68LHodRCNz8zsod/FZi/i7Llwdu/Y=
google-site-verification=j9JMUKYFUy_wowDxn7dNu1g-dtP0nFTawdO3MA4gzWA
google-site-verification=FkFYeZcM8QumJcJ4zh1IREZcT4ERjnYPJqaBw-ayrMQ
google-site-verification=tauqtG7_w_McWkWnHf4w62Sp8NJ3lfYH5EL7RicYhkk
pinterest-site-verification=2471a85c9d1fa993736b484575c698c0

NS 4

ns-1245.awsdns-27.org
ns-996.awsdns-60.net
ns-1554.awsdns-02.co.uk
ns-264.awsdns-33.com

SOA 1

ns-264.awsdns-33.com awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (94)

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 Connor observes and signs for flippingbook.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: d3d9eb94-92a1-4a52-b774-67e932e88a86
Output Hash: ff9414a25dc06ea9b703655895f373c3a2452edac97ce45c306eb47b77c0e64e
Signature: ed25519:e0d4aa484f65b52b3fd5264e12b9156d1c52fa0fb4958c8df582fafde3bad4a65966019fa1194b42a3cdf7d69b7c7f46b309fd229d43e28cda56ce8ef504e904
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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