skilldiff.dev

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

skilldiff.dev serves a website of its own over HTTPS and under www. It answers on IPv4 only, with a valid TLS certificate.

Its busiest IP address is shared with 472,938 other domains.

The most recent crawl returned the page title “Discover and share AI agent skills | SkillDev” and 26,898 bytes of HTML.

Domain properties

Property	Value	Explanation
Top-level domain	.dev	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	no	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.	yes	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	910,275	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": "skilldiff.dev"}'

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	9/22/2026
Valid to	12/21/2026
Time until expiry	57 days

Last successful crawl

Title	Discover and share AI agent skills \| SkillDev
Description	Discover and share AI agent skills. Browse community-maintained skill modules for Codex and Claude, and keep your assistant up to date.
Content-Length	26,898 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address	First seen
64.29.17.1	10/21/2026
64.29.17.65	10/21/2026
216.198.79.1	10/13/2026
216.198.79.65	10/13/2026
216.198.79.1	10/5/2026

Mail server	Priority	First seen
spool.mail.gandi.net	10	5/21/2024
fb.mail.gandi.net	50	5/21/2024

Name server	First seen
ns1.vercel-dns.com	1/24/2026
ns2.vercel-dns.com	1/24/2026
ns-126-b.gandi.net	5/21/2024
ns-133-c.gandi.net	5/21/2024
ns-15-a.gandi.net	5/21/2024

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

64.29.17.1 472,939 domains · here since 10/16/2026

Domain	On this IP since
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz.uk	10/9/2026
zzzshift.fun	10/20/2026
zzzou.app	10/24/2026
zzznaakkee.xyz	9/24/2026
zzzdevelopment.com	10/13/2026
zzzcodex.com	10/19/2026
zzyy6559.xyz	9/19/2026
zzyraai.com	9/27/2026
zzx58.cn	10/17/2026
zztraders.pk	10/15/2026
zzstudio.xin	10/13/2026
zzsfstudy.top	9/30/2026
and 472,926 more

216.198.79.65 437,336 domains · here since 9/23/2026

Domain	On this IP since
zzzzzzz.app	10/15/2026
zzzzdevelopment.com	10/13/2026
zzzxc.com	10/22/2026
zzzx.xyz	9/24/2026
zzznaakkee.xyz	10/17/2026
zzyraai.com	9/27/2026
zzykxx.com	10/22/2026
zzyde.com	9/13/2026
zzvictor.pt	9/21/2026
zzumu.com	9/14/2026
zzudle.com	9/23/2026
zztpickleball.com	10/13/2026
and 437,323 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!