Dive into our data, search now!

We offer robust APIs and data services for domainers, data crawlers, security teams and many more.

384.9 M

Domains known to webXtrend

9.7 M

New domains in the last 30 days

62.8 M

Social media profiles detected

openclassrooms.tech

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

openclassrooms.tech serves a website of its own. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

110 other domains share an IP address with it.

The most recent crawl returned the page title “Cloudflare Tunnel error | openclassrooms.tech | Cloudflare” and 7,657 bytes of HTML.

Domain properties

Property Value Explanation
Top-level domain .tech 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 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 valid Shows whether the domain has a valid SSL certificate.
Redirects 0 Number of domains that redirect to this domain.
Reverse IP 110 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": "openclassrooms.tech"}'

Create a free account Read the API docs

Detected social media networks

No social networks found on this website.

Similar websites

This domain blocked our crawler (bot protection or rate limit) (last checked 10/20/2026), so there is no website to compare.

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 8/26/2026
Valid to 11/24/2026
Time until expiry 33 days

Last successful crawl

Title Cloudflare Tunnel error | openclassrooms.tech | Cloudflare
Description (not set)
Content-Length 7,657 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
104.18.24.225 12/5/2024
104.18.25.225 12/5/2024
IPv6 address Last updated
2606:4700:0:0:0:0:6812:18e1 12/5/2024
2606:4700:0:0:0:0:6812:19e1 12/5/2024
Mail server Priority Last updated
mxa.eu.mailgun.org 10 12/30/2023
mxb.eu.mailgun.org 10 12/30/2023
ms12571630.msv1.invalid 32767 12/30/2023
Name server Last updated
rob.ns.cloudflare.com 12/9/2023
zara.ns.cloudflare.com 12/9/2023

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

104.18.24.225 28 domains · here since 9/13/2026
Domain On this IP since
wooagames.com 9/14/2026
wg-esteira.com 9/21/2026
swisslife-select.ch 9/21/2026
stay-in-range.de 9/22/2026
snapins.ai 9/15/2026
rum21.no 9/13/2026
roche.hu 10/7/2026
primalonlinelearning.co.uk 9/21/2026
predifi.com 9/18/2026
pearlgroup.dk 9/15/2026
onefamilymutual.uk 9/14/2026
livehire.com.au 9/17/2026
and 15 more
104.18.25.225 28 domains · here since 9/13/2026
Domain On this IP since
wooagames.com 9/14/2026
wg-esteira.com 9/21/2026
swisslife-select.ch 9/21/2026
stay-in-range.de 9/22/2026
snapins.ai 9/15/2026
rum21.no 9/13/2026
roche.hu 10/7/2026
primalonlinelearning.co.uk 9/21/2026
predifi.com 9/18/2026
pearlgroup.dk 9/15/2026
onefamilymutual.uk 9/14/2026
livehire.com.au 9/17/2026
and 15 more
2606:4700::6812:18e1 27 domains · here since 9/13/2026
Domain On this IP since
wooagames.com 9/14/2026
wg-esteira.com 9/21/2026
swisslife-select.ch 9/21/2026
stay-in-range.de 9/22/2026
snapins.ai 9/15/2026
rum21.no 9/13/2026
roche.hu 10/7/2026
primalonlinelearning.co.uk 9/21/2026
predifi.com 9/18/2026
pearlgroup.dk 9/15/2026
onefamilymutual.uk 9/14/2026
livehire.com.au 9/17/2026
and 14 more
2606:4700::6812:19e1 27 domains · here since 9/13/2026
Domain On this IP since
wooagames.com 9/14/2026
wg-esteira.com 9/21/2026
swisslife-select.ch 9/21/2026
stay-in-range.de 9/22/2026
snapins.ai 9/15/2026
rum21.no 9/13/2026
roche.hu 10/7/2026
primalonlinelearning.co.uk 9/21/2026
predifi.com 9/18/2026
pearlgroup.dk 9/15/2026
onefamilymutual.uk 9/14/2026
livehire.com.au 9/17/2026
and 14 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.