mathnook.com

mathnook.com serves a website of its own over HTTPS and under www. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

4,098 other domains share an IP address with it.

The most recent crawl returned the page title “MathNook: Fun, Free Online Math Games & Cool Math Activities” and 82,646 bytes of HTML.

Domain properties

Property	Value	Explanation
Top-level domain	.com	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	yes	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.	yes	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	4,098	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": "mathnook.com"}'

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	Google Trust Services
Valid from	9/9/2026
Valid to	12/8/2026
Time until expiry	52 days

Last successful crawl

Title	MathNook: Fun, Free Online Math Games & Cool Math Activities
Description	Mathnook offers the best cool math games for kids. Children learn math while playing fun online games. Free math games target a variety of math skills.
Content-Length	82,646 bytes

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

DNS history

IPv4 address	Last updated
104.21.86.165	12/11/2023
172.67.222.97	12/11/2023

IPv6 address	Last updated
2606:4700:3032:0:0:0:6815:56a5	6/30/2026
2606:4700:3033:0:0:0:ac43:de61	6/30/2026
2606:4700:3036:0:0:0:6815:56a5	12/11/2023
2606:4700:3036:0:0:0:ac43:de61	12/11/2023

Mail server	Priority	Last updated
mail.mathnook.com	0	1/1/2024

Name server	Last updated
burt.ns.cloudflare.com	12/11/2023
wren.ns.cloudflare.com	12/11/2023

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

104.21.86.165 1,030 domains · here since 9/18/2026

Domain	On this IP since
zycsteelss.com	10/6/2026
zomclub.app	9/20/2026
zk988big.com	9/23/2026
zjshanyuji.com	9/25/2026
zibodayu.com	9/15/2026
zhwsj.com	9/15/2026
zhonghengyi.com	9/18/2026
zeranolabs.com	9/23/2026
zenviia-treveverver.shop	9/16/2026
zeadfill.com	9/18/2026
ypxxcc.com.cn	9/15/2026
youxuea.com	9/22/2026
and 1,017 more

172.67.222.97 1,030 domains · here since 9/18/2026

Domain	On this IP since
zycsteelss.com	10/6/2026
zomclub.app	9/20/2026
zk988big.com	9/23/2026
zjshanyuji.com	9/25/2026
zibodayu.com	9/15/2026
zhwsj.com	9/15/2026
zhonghengyi.com	9/18/2026
zeranolabs.com	9/23/2026
zenviia-treveverver.shop	9/16/2026
zeadfill.com	9/18/2026
ypxxcc.com.cn	9/15/2026
youxuea.com	9/22/2026
and 1,017 more

2606:4700:3032::6815:56a5 1,019 domains · here since 9/18/2026

Domain	On this IP since
zycsteelss.com	10/6/2026
zomclub.app	9/20/2026
zk988big.com	9/23/2026
zjshanyuji.com	9/25/2026
zibodayu.com	9/15/2026
zhwsj.com	9/15/2026
zhonghengyi.com	9/18/2026
zeranolabs.com	9/23/2026
zenviia-treveverver.shop	9/16/2026
zeadfill.com	9/18/2026
ypxxcc.com.cn	9/15/2026
youxuea.com	9/22/2026
and 1,006 more

2606:4700:3033::ac43:de61 1,019 domains · here since 9/18/2026

Domain	On this IP since
zycsteelss.com	10/6/2026
zomclub.app	9/20/2026
zk988big.com	9/23/2026
zjshanyuji.com	9/25/2026
zibodayu.com	9/15/2026
zhwsj.com	9/15/2026
zhonghengyi.com	9/18/2026
zeranolabs.com	9/23/2026
zenviia-treveverver.shop	9/16/2026
zeadfill.com	9/18/2026
ypxxcc.com.cn	9/15/2026
youxuea.com	9/22/2026
and 1,006 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!