Domain report

math-fun.net

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

math-fun.net 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 1,043 other domains.

The most recent crawl returned the page title “趣味の大学数学” and 81,401 bytes of HTML. The site links to X and YouTube profiles.

Domain properties

Property Value Explanation
Top-level domain .net 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 4,162 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": "math-fun.net"}'

Create a free account Read the API docs

Detected social media networks

Similar 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

Issuer Google Trust Services
Valid from 9/6/2026
Valid to 12/5/2026
Time until expiry 39 days

Last successful crawl

Title 趣味の大学数学
Description 「趣味の大学数学」とは? 大学の数学を趣味として知りたい人向けの読み物を提供するサイトです。受験勉強のように、与えられた問題を解くことだけが数学ではありません。趣味として学びたいという好奇心と「なぜ?」という懐疑心を大切にして、一緒に大学数学の世界に入っていきましょう。
Content-Length 81,401 bytes

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

DNS history

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

Most recent redirect domains

Reverse IP neighbours

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.