libby.help

Get an email when its DNS, website or certificate changes.

libby.help serves a website of its own over HTTPS. It answers on both IPv4 and IPv6, with a valid TLS certificate.

Its busiest IP address is shared with 863 other domains.

The most recent crawl returned the page title “Libby: Reading Books Online - Library for Ebooks & Audiobooks” and 27,996 bytes of HTML.

Domain properties

Property	Value	Explanation
Top-level domain	.help	Statistics for all domains we know under this TLD.
Has website	yes	A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record	no	The domain has an MX record.
External redirect	no	The domain redirects to another domain.
Redirect to https	yes	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	valid	Shows whether the domain has a valid SSL certificate.
Redirects	0	Number of domains that redirect to this domain.
Reverse IP	3,439	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": "libby.help"}'

Create a free account Read the API docs

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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

Issuer	Let's Encrypt
Valid from	9/21/2026
Valid to	12/20/2026
Time until expiry	57 days

Last successful crawl

Title	Libby: Reading Books Online - Library for Ebooks & Audiobooks
Description	Discover Libby, the free app for borrowing ebooks, audiobooks, and magazines from your local library. Learn how to read books online for free with Libby.
Content-Length	27,996 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address	First seen
104.21.14.28	9/26/2026
172.67.157.169	9/26/2026
157.90.33.73	9/2/2026
157.90.33.74	9/2/2026
216.227.142.171	7/20/2026

IPv6 address	First seen
2606:4700:3033:0:0:0:ac43:9da9	9/26/2026
2606:4700:3036:0:0:0:6815:e1c	9/26/2026
2606:4700:3033:0:0:0:ac43:a642	10/10/2025
2606:4700:3034:0:0:0:6815:3aee	10/10/2025

Mail server	Priority	First seen
mx.plingest.com	10	6/18/2026

Name server	First seen
ken.ns.cloudflare.com	9/26/2026
riya.ns.cloudflare.com	9/26/2026
ns1.park-my-domain.net	9/2/2026
ns2.park-my-domain.net	9/2/2026
ns1.lander.d.parity.domains	7/13/2026

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

Most recent redirect domains

No domains found.

Reverse IP neighbours

172.67.157.169 864 domains · here since 9/23/2026

Domain	On this IP since
zuan.studio	10/13/2026
zpravodajnm.cz	9/16/2026
zhangyange.cn	9/14/2026
zgbhln.info	9/21/2026
zeuz-it.de	9/17/2026
zeusslots.info	9/23/2026
zeua138.one	9/18/2026
zerzz.com	9/17/2026
zenseiderz.blog	9/16/2026
zeclayfend.com	9/16/2026
zapdespacho.online	9/12/2026
zapatexcerrajeros.com	9/17/2026
and 851 more

104.21.14.28 863 domains · here since 9/23/2026

Domain	On this IP since
zuan.studio	10/13/2026
zpravodajnm.cz	9/16/2026
zhangyange.cn	9/14/2026
zgbhln.info	9/21/2026
zeuz-it.de	9/17/2026
zeusslots.info	9/23/2026
zeua138.one	9/18/2026
zerzz.com	9/17/2026
zenseiderz.blog	9/16/2026
zeclayfend.com	9/16/2026
zapdespacho.online	9/12/2026
zapatexcerrajeros.com	9/17/2026
and 850 more

2606:4700:3033::ac43:9da9 856 domains · here since 9/23/2026

Domain	On this IP since
zuan.studio	10/13/2026
zpravodajnm.cz	9/16/2026
zhangyange.cn	9/14/2026
zgbhln.info	9/21/2026
zeuz-it.de	9/17/2026
zeusslots.info	9/23/2026
zeua138.one	9/18/2026
zerzz.com	9/17/2026
zenseiderz.blog	9/16/2026
zeclayfend.com	9/16/2026
zapdespacho.online	9/12/2026
zapatexcerrajeros.com	9/17/2026
and 843 more

2606:4700:3036::6815:e1c 856 domains · here since 9/23/2026

Domain	On this IP since
zuan.studio	10/13/2026
zpravodajnm.cz	9/16/2026
zhangyange.cn	9/14/2026
zgbhln.info	9/21/2026
zeuz-it.de	9/17/2026
zeusslots.info	9/23/2026
zeua138.one	9/18/2026
zerzz.com	9/17/2026
zenseiderz.blog	9/16/2026
zeclayfend.com	9/16/2026
zapdespacho.online	9/12/2026
zapatexcerrajeros.com	9/17/2026
and 843 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.

Dive into our data, search now!