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385.2 M

Domains known to webXtrend

9.8 M

New domains in the last 30 days

62.8 M

Social media profiles detected

agenttags.dev

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

agenttags.dev serves a website of its own. It answers on both IPv4 and IPv6, with a valid TLS certificate.

Its busiest IP address is shared with 855 other domains.

The most recent crawl returned the page title “agent-tags — structured annotations for AI coding agents” and 23,152 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 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 3,400 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": "agenttags.dev"}'

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 Google Trust Services
Valid from 10/1/2026
Valid to 12/30/2026
Time until expiry 67 days

Last successful crawl

Title agent-tags — structured annotations for AI coding agents
Description Give AI agents the context they need — directly in your source code. No AST parsing. Any language. Grep-fast.
Content-Length 23,152 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
104.21.41.132 4/11/2026
172.67.147.95 4/11/2026
IPv6 address First seen
2606:4700:3035:0:0:0:6815:2984 6/25/2026
2606:4700:3037:0:0:0:ac43:935f 6/25/2026
2606:4700:3031:0:0:0:ac43:935f 4/11/2026
2606:4700:3032:0:0:0:6815:2984 4/11/2026
Name server First seen
itzel.ns.cloudflare.com 4/11/2026
sullivan.ns.cloudflare.com 4/11/2026

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

104.21.41.132 856 domains · here since 9/15/2026
Domain On this IP since
zzjqkf.com 9/15/2026
zynnode.cc 10/10/2026
zoom-boardroom.com 9/12/2026
zoneowr.guru 10/14/2026
zombiefightingforce.com 9/13/2026
zhujibijiao.com 9/17/2026
zhuangguwang99.cn 9/22/2026
zdjuk.cn 10/1/2026
zawiie.com 9/17/2026
zakynthos-boat-tour.com 10/2/2026
zagceg.click 9/23/2026
ytheronix.sbs 9/19/2026
and 843 more
172.67.147.95 856 domains · here since 9/15/2026
Domain On this IP since
zzjqkf.com 9/15/2026
zynnode.cc 10/10/2026
zoom-boardroom.com 9/12/2026
zoneowr.guru 10/14/2026
zombiefightingforce.com 9/13/2026
zhujibijiao.com 9/17/2026
zhuangguwang99.cn 9/22/2026
zdjuk.cn 10/1/2026
zawiie.com 9/17/2026
zakynthos-boat-tour.com 10/2/2026
zagceg.click 9/23/2026
ytheronix.sbs 9/19/2026
and 843 more
2606:4700:3035::6815:2984 844 domains · here since 9/15/2026
Domain On this IP since
zzjqkf.com 9/15/2026
zynnode.cc 10/10/2026
zoom-boardroom.com 9/12/2026
zoneowr.guru 10/14/2026
zombiefightingforce.com 9/13/2026
zhujibijiao.com 9/17/2026
zhuangguwang99.cn 9/22/2026
zdjuk.cn 10/1/2026
zawiie.com 9/17/2026
zakynthos-boat-tour.com 10/2/2026
zagceg.click 9/23/2026
ytheronix.sbs 9/19/2026
and 831 more
2606:4700:3037::ac43:935f 844 domains · here since 9/15/2026
Domain On this IP since
zzjqkf.com 9/15/2026
zynnode.cc 10/10/2026
zoom-boardroom.com 9/12/2026
zoneowr.guru 10/14/2026
zombiefightingforce.com 9/13/2026
zhujibijiao.com 9/17/2026
zhuangguwang99.cn 9/22/2026
zdjuk.cn 10/1/2026
zawiie.com 9/17/2026
zakynthos-boat-tour.com 10/2/2026
zagceg.click 9/23/2026
ytheronix.sbs 9/19/2026
and 831 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.