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384.6 M

Domains known to webXtrend

9.6 M

New domains in the last 30 days

62.8 M

Social media profiles detected

substringtechnologies.com

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

It answers on IPv4 only, with MX records for mail.

15 other domains share an IP address with it.

The most recent crawl returned the page title “Software Development & Developer Training in Lucknow” and 226,782 bytes of HTML. The site links to Instagram, YouTube, LinkedIn and Telegram profiles.

Domain properties

Property Value Explanation
Top-level domain .com Statistics for all domains we know under this TLD.
Has website no 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 only IPv4 Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate no certificate Shows whether the domain has a valid SSL certificate.
Redirects 0 Number of domains that redirect to this domain.
Reverse IP 15 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": "substringtechnologies.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 10/2/2026
Valid to 12/30/2026
Time until expiry 70 days

Last successful crawl

Title Software Development & Developer Training in Lucknow
Description Substring Technologies builds web, mobile and cloud software for growing businesses, and trains developers through live online and Lucknow classroom programmes.
Content-Length 226,782 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
89.117.188.73 10/7/2026
40.99.204.136 9/28/2026
40.99.204.248 9/28/2026
40.99.204.88 9/28/2026
40.99.205.40 9/28/2026
IPv6 address Last updated
2603:1026:c03:3032:0:0:0:8 9/28/2026
2603:1026:c03:7066:0:0:0:8 9/28/2026
2603:1026:c03:707c:0:0:0:8 9/28/2026
2603:1026:c03:707f:0:0:0:8 9/28/2026
2603:1026:c0d:1803:0:0:0:8 9/20/2026
Mail server Priority Last updated
substringtechnologies-com.mail.protection.outlook.com 0 10/11/2025
mx1.hostinger.com 5 12/31/2023
mx2.hostinger.com 10 12/31/2023
Name server Last updated
ns1.dns-parking.com 2/9/2024
ns2.dns-parking.com 2/9/2024
ns1.dns-expired.com 2/5/2024
ns2.dns-expired.com 2/5/2024
ns1.dns-parking.com 12/10/2023

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

89.117.188.73 15 domains · here since 10/5/2026
Domain On this IP since
unitautotech.com 9/20/2026
teezard.in 9/17/2026
srisathyasilks.com 9/22/2026
projectsunleashed.com 9/19/2026
omroyal.com 9/15/2026
neosilicon.in 9/17/2026
micronetgigafiber.in 9/20/2026
maximummiles.com 9/13/2026
insectmanagement.in 9/20/2026
gvnlms.in 9/17/2026
flipmart24.com 9/21/2026
bootnet.in 9/20/2026
and 2 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.