simplexmaths.com

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

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

30,596,054 other domains share an IP address with it, and one domain redirects to it.

The most recent crawl returned the page title “Simplex maths | Big Exams Made Simple” and 566,036 bytes of HTML. The site links to Instagram and Facebook profiles.

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	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	1	Number of domains that redirect to this domain.
Reverse IP	30,596,054	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": "simplexmaths.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	Let's Encrypt
Valid from	10/6/2026
Valid to	1/4/2027
Time until expiry	76 days

Last successful crawl

Title	Simplex maths \| Big Exams Made Simple
Description	Build exam confidence with Simplex Maths. Expert GCSE revision from real examiners—clear explanations, past paper feedback, and proven problem-solving strategies.
Content-Length	566,036 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
198.185.159.144	10/21/2025
198.185.159.145	10/21/2025
198.49.23.144	10/21/2025
198.49.23.145	10/21/2025
217.160.0.100	10/15/2025

IPv6 address	Last updated
2001:8d8:100f:f000:0:0:0:200	10/15/2025

Mail server	Priority	Last updated
simplexmaths-com.mail.protection.outlook.com	0	10/12/2026
aspmx.l.google.com	1	10/27/2025
alt1.aspmx.l.google.com	5	10/27/2025
alt2.aspmx.l.google.com	5	10/27/2025
alt3.aspmx.l.google.com	10	10/27/2025

Name server	Last updated
natasha.ns.cloudflare.com	10/12/2026
noel.ns.cloudflare.com	10/12/2026
ns1030.ui-dns.com	10/15/2025
ns1055.ui-dns.biz	10/15/2025
ns1106.ui-dns.de	10/15/2025

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

Most recent redirect domains

Domain	Last seen
simplexmaths.co.uk	10/7/2026

Reverse IP neighbours

198.185.159.144 7,699,216 domains · here since 9/12/2026

Domain	On this IP since
zzzzzer0.com	9/13/2026
zzzzvoov.com	9/20/2026
zzzzstudios.com	9/24/2026
zzzzsleepless.com	9/21/2026
zzzziiii.com	9/13/2026
zzzzhang.com	9/21/2026
zzzxxc.com	9/14/2026
zzzwiththefishes.com	9/14/2026
zzzvisuals.com	9/30/2026
zzzundertones.co.uk	9/19/2026
zzztruck.com	9/13/2026
zzzstudioto.com	9/22/2026
and 7,699,203 more

198.185.159.145 7,638,690 domains · here since 9/12/2026

Domain	On this IP since
zzzzzer0.com	9/13/2026
zzzzvoov.com	9/20/2026
zzzzstudios.com	9/24/2026
zzzzsleepless.com	9/21/2026
zzzzhang.com	9/21/2026
zzzxxc.com	9/14/2026
zzzwiththefishes.com	9/14/2026
zzzvisuals.com	9/30/2026
zzzundertones.co.uk	9/19/2026
zzztruckingllc.com	9/21/2026
zzztruck.com	9/13/2026
zzzstudioto.com	9/22/2026
and 7,638,677 more

198.49.23.144 7,629,479 domains · here since 9/12/2026

Domain	On this IP since
zzzzzer0.com	9/13/2026
zzzzvoov.com	9/20/2026
zzzzstudios.com	9/24/2026
zzzzsleepless.com	9/21/2026
zzzzhang.com	9/21/2026
zzzxxc.com	9/14/2026
zzzwiththefishes.com	9/14/2026
zzzvisuals.com	9/30/2026
zzzundertones.co.uk	9/19/2026
zzztruck.com	9/13/2026
zzzstudioto.com	9/22/2026
zzzstack.io	9/21/2026
and 7,629,466 more

198.49.23.145 7,628,669 domains · here since 9/12/2026

Domain	On this IP since
zzzzzer0.com	9/13/2026
zzzzvoov.com	9/20/2026
zzzzstudios.com	9/24/2026
zzzzsleepless.com	9/21/2026
zzzzhang.com	9/21/2026
zzzz.page	9/13/2026
zzzxxc.com	9/14/2026
zzzwiththefishes.com	9/14/2026
zzzvisuals.com	9/30/2026
zzzundertones.co.uk	9/19/2026
zzztruck.com	9/13/2026
zzzstudioto.com	9/22/2026
and 7,628,656 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!