Site profile

gitbook.com

The knowledge layer for AI | GitBook

Technologies

Found on any of its indexed pages. Each one lists every other site that uses it.

Analytics, ad and verification IDs in its source. Sites sharing one are usually run by the same people.

Email addresses, phone links and social profiles it publishes.

3 social profiles. Sign in to see them, free.

From the response headers and meta tags of its homepage.

DNS, certificate and favicon, with when each was seen. Shared ones lead to the other sites behind them.

Addresses: 104.18.41.89only this site
172.64.146.167only this site
2606:4700:4403::6812:2959
2a06:98c1:3105::ac40:92a7
Mail (MX): alt1.aspmx.l.google.com1,175 other sites
alt2.aspmx.l.google.com1,169 other sites
alt3.aspmx.l.google.com600 other sites
alt4.aspmx.l.google.com594 other sites
aspmx.l.google.com1,180 other sites
Name servers: dahlia.ns.cloudflare.com4 other sites
hugh.ns.cloudflare.com6 other sites
Certificate issuer: C = US, O = Google Trust Services, CN = WE1
Valid until: Jan 1, 2027
Certificate: 4ce0d0593038e76013da9157f4e706d7only this site
Names it covers: *.gitbook.com gitbook.com mta-sts.gitbook.com
Favicon: 1875004868only this site
TXT records: 1eimfvl6smqf32ddsbrt935qqq
5c89abfus0pgntcdrib3m156gp
MS=ms60660329
apple-domain-verification=sLuepreK1XSMZmGO

Who its ads.txt and app-ads.txt let sell its ad space directly. Sites sharing a seller account usually share an owner.

No ads.txt or app-ads.txt with direct sellers.

What it publishes for machines. Every version is archived.

What the archive holds about it.

Fetched 2 times since Oct 18, 2026, 2 successfully. The archive holds 1 distinct version of 1 page: every change is kept.

The most popular first.

No indexed site links here.

Other sites its pages link to, by how many of its pages do.