learning-sql.com

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

learning-sql.com serves a website of its own. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

3,378 other domains share an IP address with it.

The most recent crawl returned the page title “Learning SQL | Real People. Real Problems. Practical SQL.” and 19,535 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	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	3,378	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": "learning-sql.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	9/20/2026
Valid to	12/19/2026
Time until expiry	59 days

Last successful crawl

Title	Learning SQL \| Real People. Real Problems. Practical SQL.
Description	Learn SQL through realistic business stories, practical examples, and guided lessons based on real people and real workplace problems.
Content-Length	19,535 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
104.21.6.132	7/30/2026
172.67.154.221	7/30/2026
13.248.243.5	10/12/2025
76.223.105.230	10/12/2025
13.248.213.45	3/24/2025

IPv6 address	Last updated
2606:4700:3030:0:0:0:ac43:9add	7/30/2026
2606:4700:3033:0:0:0:6815:684	7/30/2026

Mail server	Priority	Last updated
m01.internetmailserver.net	10	7/30/2026
learningsql-com02b.mail.protection.outlook.com	0	3/20/2024

Name server	Last updated
adelaide.ns.cloudflare.com	7/30/2026
oswald.ns.cloudflare.com	7/30/2026
ns63.domaincontrol.com	10/12/2025
ns64.domaincontrol.com	10/12/2025
ns77.domaincontrol.com	3/20/2024

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

104.21.6.132 850 domains · here since 9/20/2026

Domain	On this IP since
zunyanny.com	9/15/2026
zuka-55.com	10/13/2026
ztls.com.cn	10/7/2026
zthb.org	9/23/2026
zoughts.com	9/19/2026
zjpwkn.info	9/13/2026
zhsxxx33.shop	9/13/2026
zakwasstudio.live	9/20/2026
zahnarztpraxis-gruber.de	9/16/2026
yvyrealm.shop	10/2/2026
yoshi-ki.info	9/14/2026
yl1830115.cc	9/19/2026
and 837 more

172.67.154.221 850 domains · here since 9/20/2026

Domain	On this IP since
zunyanny.com	9/15/2026
zuka-55.com	10/13/2026
ztls.com.cn	10/7/2026
zthb.org	9/23/2026
zoughts.com	9/19/2026
zjpwkn.info	9/13/2026
zhsxxx33.shop	9/13/2026
zakwasstudio.live	9/20/2026
zahnarztpraxis-gruber.de	9/16/2026
yvyrealm.shop	10/2/2026
yoshi-ki.info	9/14/2026
yl1830115.cc	9/19/2026
and 837 more

2606:4700:3030::ac43:9add 839 domains · here since 9/20/2026

Domain	On this IP since
zunyanny.com	9/15/2026
zuka-55.com	10/13/2026
ztls.com.cn	10/7/2026
zthb.org	9/23/2026
zoughts.com	9/19/2026
zjpwkn.info	9/13/2026
zhsxxx33.shop	9/13/2026
zakwasstudio.live	9/20/2026
zahnarztpraxis-gruber.de	9/16/2026
yvyrealm.shop	10/2/2026
yoshi-ki.info	9/14/2026
yl1830115.cc	9/19/2026
and 826 more

2606:4700:3033::6815:684 839 domains · here since 9/20/2026

Domain	On this IP since
zunyanny.com	9/15/2026
zuka-55.com	10/13/2026
ztls.com.cn	10/7/2026
zthb.org	9/23/2026
zoughts.com	9/19/2026
zjpwkn.info	9/13/2026
zhsxxx33.shop	9/13/2026
zakwasstudio.live	9/20/2026
zahnarztpraxis-gruber.de	9/16/2026
yvyrealm.shop	10/2/2026
yoshi-ki.info	9/14/2026
yl1830115.cc	9/19/2026
and 826 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!