mathstests.app

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

It answers on both IPv4 and IPv6.

4,196 other domains share an IP address with it.

Domain properties

Property	Value	Explanation
Top-level domain	.app	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	no	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	0	Number of domains that redirect to this domain.
Reverse IP	4,196	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": "mathstests.app"}'

Create a free account Read the API docs

Similar websites

This domain redirects to mathstest.app. Similar websites of mathstest.app:

Website	Similarity
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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

No certificate data available for this domain.

Last successful crawl

No crawl data available for this domain.

DNS history

IPv4 address	Last updated
104.21.32.7	8/30/2026
172.67.182.28	8/30/2026

IPv6 address	Last updated
2606:4700:3030:0:0:0:6815:2007	8/30/2026
2606:4700:3037:0:0:0:ac43:b61c	8/30/2026

Name server	Last updated
destiny.ns.cloudflare.com	2/10/2026
ray.ns.cloudflare.com	2/10/2026

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

104.21.32.7 1,050 domains · here since 9/19/2026

Domain	On this IP since
zz77pro.com	9/15/2026
zsxbw.com	9/16/2026
zooou.cn	9/21/2026
zleum.icu	9/14/2026
zhutikong.com	9/18/2026
zhuaotech.com.cn	10/22/2026
zeroone1.xyz	9/15/2026
zedebatecraftive.info	9/23/2026
yybbb.cn	9/23/2026
yshjer.com	9/21/2026
ylm78.com	9/14/2026
ykjpxg.com	9/18/2026
and 1,037 more

172.67.182.28 1,050 domains · here since 9/19/2026

Domain	On this IP since
zz77pro.com	9/15/2026
zsxbw.com	9/16/2026
zooou.cn	9/21/2026
zleum.icu	9/14/2026
zhutikong.com	9/18/2026
zhuaotech.com.cn	10/22/2026
zeroone1.xyz	9/15/2026
zedebatecraftive.info	9/23/2026
yybbb.cn	9/23/2026
yshjer.com	9/21/2026
ylm78.com	9/14/2026
ykjpxg.com	9/18/2026
and 1,037 more

2606:4700:3030::6815:2007 1,048 domains · here since 9/19/2026

Domain	On this IP since
zz77pro.com	9/15/2026
zsxbw.com	9/16/2026
zooou.cn	9/21/2026
zleum.icu	9/14/2026
zhutikong.com	9/18/2026
zhuaotech.com.cn	10/22/2026
zeroone1.xyz	9/15/2026
zedebatecraftive.info	9/23/2026
yybbb.cn	9/23/2026
yshjer.com	9/21/2026
ylm78.com	9/14/2026
ykjpxg.com	9/18/2026
and 1,035 more

2606:4700:3037::ac43:b61c 1,048 domains · here since 9/19/2026

Domain	On this IP since
zz77pro.com	9/15/2026
zsxbw.com	9/16/2026
zooou.cn	9/21/2026
zleum.icu	9/14/2026
zhutikong.com	9/18/2026
zhuaotech.com.cn	10/22/2026
zeroone1.xyz	9/15/2026
zedebatecraftive.info	9/23/2026
yybbb.cn	9/23/2026
yshjer.com	9/21/2026
ylm78.com	9/14/2026
ykjpxg.com	9/18/2026
and 1,035 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!