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mathninja.io

mathninja.io serves a website of its own over HTTPS. It answers on IPv4 only, with a valid TLS certificate and MX records for mail.

1,945,273 other domains share an IP address with it.

The most recent crawl returned the page title “MathNinja.io — Free Online Calculators & Unit Converters” and 49,845 bytes of HTML.

Domain properties

Property Value Explanation
Top-level domain .io 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. 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 only IPv4 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 1,945,273 Number of domains with the same IP(s).

Detected social media networks

No social networks found on this website.

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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.

Last SSL certificate

Issuer Let's Encrypt
Valid from 8/6/2026
Valid to 11/4/2026
Time until expiry 25 days

Last successful crawl

Title MathNinja.io — Free Online Calculators & Unit Converters
Description Free, instant calculators and unit converters for health, finance, math, and more. BMI, mortgage, compound interest, percentage, temperature conversion, and 20+ more tools.
Content-Length 49,845 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
216.198.79.1 8/14/2026
Mail server Priority Last updated
mx1.hostinger.com 5 8/14/2026
mx2.hostinger.com 10 8/14/2026
Name server Last updated
atlas.dns-parking.com 8/14/2026
hyperion.dns-parking.com 8/14/2026

Most recent redirect domains

No domains found.

Reverse IP neighbours

216.198.79.1 1,945,273 domains · here since 9/21/2026
Domain On this IP since
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz.uk 10/9/2026
zzzzzly.online 9/22/2026
zzzzrakesh.me 9/19/2026
zzzznayu.ru 9/19/2026
zzzz.yt 9/19/2026
zzzz.lt 9/15/2026
zzzxc.com 10/9/2026
zzztools.com 9/20/2026
zzzsunny.space 9/13/2026
zzzril.art 9/22/2026
zzznaakkee.xyz 9/24/2026
zzzl.app 9/23/2026
and 1,945,260 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.