contexbase.com

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

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

1,248,268 other domains share an IP address with it.

The most recent crawl returned the page title “Contexbase — The Owner-Controlled Context Backend for AI Agents” and 22,923 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.	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	1,248,268	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": "contexbase.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	8/22/2026
Valid to	11/20/2026
Time until expiry	28 days

Last successful crawl

Title	Contexbase — The Owner-Controlled Context Backend for AI Agents
Description	Contexbase unifies your data, knowledge and agent work into one context you own, so every AI agent picks up where the last one left off.
Content-Length	22,923 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
185.158.133.1	8/26/2026

Mail server	Priority	Last updated
route1.mx.cloudflare.net	1	8/26/2026
route2.mx.cloudflare.net	47	8/26/2026
route3.mx.cloudflare.net	79	8/26/2026

Name server	Last updated
jill.ns.cloudflare.com	8/26/2026
pablo.ns.cloudflare.com	8/26/2026

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

185.158.133.1 1,248,268 domains · here since 9/17/2026

Domain	On this IP since
zzztime.com	9/14/2026
zzzcycle.dev	9/16/2026
zzzcommerce.nl	9/13/2026
zzzcommerce.com	9/16/2026
zzz.chat	9/22/2026
zzyzx.cx	9/21/2026
zzuma.online	9/13/2026
zzthing.com	9/14/2026
zzthat.com	9/15/2026
zzshare.dev	10/6/2026
zzpwebsitenodig.nl	9/12/2026
zzpvragen.com	9/12/2026
and 1,248,255 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!