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384.5 M

Domains known to webXtrend

9.4 M

New domains in the last 30 days

62.8 M

Social media profiles detected

stacklint.app

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

stacklint.app serves a website of its own over HTTPS. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

4,012 other domains share an IP address with it.

The most recent crawl returned the page title “StackLint - Codebase health scanner for GitHub and GitLab” and 103,971 bytes of HTML.

Domain properties

Property Value Explanation
Top-level domain .app 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 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 4,012 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": "stacklint.app"}'

Create a free account Read the API docs

Detected social media networks

No social networks found on this website.

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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 10/14/2026
Valid to 1/12/2027
Time until expiry 83 days

Last successful crawl

Title StackLint - Codebase health scanner for GitHub and GitLab
Description Scan any GitHub or GitLab repository for risky dependencies, outdated majors, untested zones, and duplicate code. Get a prioritized remediation plan, grade, and embeddable badge.
Content-Length 103,971 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
104.21.81.99 4/25/2026
172.67.189.18 4/25/2026
IPv6 address Last updated
2606:4700:3032:0:0:0:ac43:bd12 6/27/2026
2606:4700:3035:0:0:0:6815:5163 6/27/2026
2606:4700:3031:0:0:0:ac43:bd12 4/25/2026
2606:4700:3033:0:0:0:6815:5163 4/25/2026
Mail server Priority Last updated
route2.mx.cloudflare.net 8 4/25/2026
route1.mx.cloudflare.net 51 4/25/2026
route3.mx.cloudflare.net 69 4/25/2026
Name server Last updated
felipe.ns.cloudflare.com 4/25/2026
nucum.ns.cloudflare.com 4/25/2026

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

104.21.81.99 1,005 domains · here since 9/22/2026
Domain On this IP since
zybernetics.com 9/22/2026
zx66.one 10/12/2026
zvezdnyiklass.online 10/10/2026
zs6155.com 10/11/2026
zjllym.com 9/19/2026
zjhv.cn 9/20/2026
zhanshenwang.com 10/9/2026
zenreelstrack.it 9/27/2026
ze858a.com 9/29/2026
zdaamc.cfd 10/2/2026
zayra.space 10/11/2026
zaryzykuj.pl 9/17/2026
and 992 more
172.67.189.18 1,005 domains · here since 9/22/2026
Domain On this IP since
zybernetics.com 9/22/2026
zx66.one 10/12/2026
zvezdnyiklass.online 10/10/2026
zs6155.com 10/11/2026
zjllym.com 9/19/2026
zjhv.cn 9/20/2026
zhanshenwang.com 10/9/2026
zenreelstrack.it 9/27/2026
ze858a.com 9/29/2026
zdaamc.cfd 10/2/2026
zayra.space 10/11/2026
zaryzykuj.pl 9/17/2026
and 992 more
2606:4700:3032::ac43:bd12 1,001 domains · here since 9/22/2026
Domain On this IP since
zybernetics.com 9/22/2026
zx66.one 10/12/2026
zwiedzamy.to 9/17/2026
zvezdnyiklass.online 10/10/2026
zs6155.com 10/11/2026
zjllym.com 9/19/2026
zjhv.cn 9/20/2026
zhanshenwang.com 10/9/2026
zenreelstrack.it 9/27/2026
ze858a.com 9/29/2026
zdaamc.cfd 9/20/2026
zayra.space 10/11/2026
and 988 more
2606:4700:3035::6815:5163 1,001 domains · here since 9/22/2026
Domain On this IP since
zybernetics.com 9/22/2026
zx66.one 10/12/2026
zwiedzamy.to 9/17/2026
zvezdnyiklass.online 10/10/2026
zs6155.com 10/11/2026
zjllym.com 9/19/2026
zjhv.cn 9/20/2026
zhanshenwang.com 10/9/2026
zenreelstrack.it 9/27/2026
ze858a.com 9/29/2026
zdaamc.cfd 9/20/2026
zayra.space 10/11/2026
and 988 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.