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383.2 M

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9.1 M

New domains in the last 30 days

62.3 M

Social media profiles detected

gitbook.io

It answers on both IPv4 and IPv6, with MX records for mail.

655 other domains share an IP address with it, and 871 domains redirect to it.

Domain properties

Property Value Explanation
Top-level domain .io Statistics for all domains we know under this TLD.
Has website no A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record yes The domain has an MX record.
External redirect yes The domain redirects to another domain.
Redirect to https no The domain redirects to https.
Redirect to www. no The domain redirects to www.domain.
Only with www. no The domain can only be reached with the subdomain "www".
Only DNS, no website no There are no A or AAAA records in DNS.
IP-Address Both Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate no certificate Shows whether the domain has a valid SSL certificate.
Redirects 871 Number of domains that redirect to this domain.
Reverse IP 655 Number of domains with the same IP(s).

This data through the API

The data on this page is also available as JSON: /lookup for the key facts, /reverseip, /redirect and /similar for the lists, and /dnshistory with Basic and Premium. A free account comes with an API key and 100 calls a day.

curl -X POST https://api.webxtrend.com/v1.0/lookup \
  -H 'Content-Type: application/json' \
  -d '{"token": "YOUR_TOKEN", "query": "gitbook.io"}'

Create a free account Read the API docs

Detected social media networks

No social networks found on this website.

Similar websites

We have not analysed the start page of this domain yet, so we cannot compare it with other websites.

Websites whose start page offers something similar, found by comparing the text of their start pages, across languages. Near-identical copies, parking pages and error pages are left out. The full list of up to 100 comes through the API: similar websites.

Last SSL certificate

No certificate data available for this domain.

Last successful crawl

No crawl data available for this domain.

DNS history

IPv4 address Last updated
104.18.40.47 8/23/2024
172.64.147.209 8/23/2024
104.18.0.81 8/3/2024
104.18.1.81 8/3/2024
104.18.40.47 12/10/2023
IPv6 address Last updated
2606:4700:4401:0:0:0:ac40:93d1 7/15/2026
2a06:98c1:310d:0:0:0:6812:282f 7/15/2026
2606:4700:4402:0:0:0:ac40:93d1 10/11/2025
2606:4700:4407:0:0:0:6812:282f 10/11/2025
2606:4700:4400:0:0:0:6812:282f 8/23/2024
Mail server Priority Last updated
aspmx.l.google.com 10 1/1/2024
alt1.aspmx.l.google.com 20 1/1/2024
alt2.aspmx.l.google.com 20 1/1/2024
aspmx2.googlemail.com 30 1/1/2024
aspmx3.googlemail.com 30 1/1/2024
Name server Last updated
dahlia.ns.cloudflare.com 12/10/2023
hugh.ns.cloudflare.com 12/10/2023

The five most recent states of each record type. The full history comes through the API: DNS history.

Most recent redirect domains

Domain Last seen
onlyhands.college 10/13/2026
herzcodex.org 10/13/2026
weide.xyz 10/13/2026
robotic.academy 10/13/2026
devopanda.com 10/13/2026
malsemakkers.com 10/13/2026
heqi.quest 10/13/2026
daniel.agr.br 10/13/2026
runnerx.xyz 10/13/2026
aitoolsresearch.com 10/12/2026
quantumhumanitas.org 10/12/2026
quantumhumanitas.com 10/12/2026
and 859 more

Reverse IP neighbours

2a06:98c1:310d::6812:282f 164 domains · here since 9/20/2026
Domain On this IP since
zzbra.com 9/19/2026
zz998.com 9/13/2026
zqingfa.top 9/15/2026
z9d7k.com 9/12/2026
yuan-bin.com 9/14/2026
ymian.top 9/19/2026
xrdz.net 9/16/2026
xiv.dev 9/17/2026
xbet668.com 9/17/2026
xbet577.com 9/12/2026
xbestbet.com 9/13/2026
webapp.org 9/12/2026
and 151 more
104.18.40.47 164 domains · here since 9/20/2026
Domain On this IP since
zzbra.com 9/19/2026
zz998.com 9/13/2026
zqingfa.top 9/15/2026
z9d7k.com 9/12/2026
yuan-bin.com 9/14/2026
ymian.top 9/19/2026
xrdz.net 9/16/2026
xiv.dev 9/17/2026
xbet668.com 9/17/2026
xbet577.com 9/12/2026
xbestbet.com 9/13/2026
webapp.org 9/12/2026
and 151 more
172.64.147.209 164 domains · here since 9/20/2026
Domain On this IP since
zzbra.com 9/19/2026
zz998.com 9/13/2026
zqingfa.top 9/15/2026
z9d7k.com 9/12/2026
yuan-bin.com 9/14/2026
ymian.top 9/19/2026
xrdz.net 9/16/2026
xiv.dev 9/17/2026
xbet668.com 9/17/2026
xbet577.com 9/12/2026
xbestbet.com 9/13/2026
webapp.org 9/12/2026
and 151 more
2606:4700:4401::ac40:93d1 163 domains · here since 9/20/2026
Domain On this IP since
zzbra.com 9/19/2026
zz998.com 9/13/2026
zqingfa.top 9/15/2026
z9d7k.com 9/12/2026
yuan-bin.com 9/14/2026
ymian.top 9/19/2026
xrdz.net 9/16/2026
xiv.dev 9/17/2026
xbet668.com 9/17/2026
xbet577.com 9/12/2026
xbestbet.com 9/13/2026
webapp.org 9/12/2026
and 150 more

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses. The complete list of neighbours, also for an IP address, comes through the API: reverse IP lookup.