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385.4 M

Domains known to webXtrend

9.9 M

New domains in the last 30 days

62.7 M

Social media profiles detected

effectiveagents.dev

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

effectiveagents.dev 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.

Its busiest IP address is shared with 1,097 other domains.

The most recent crawl returned the page title “Effective Agents — Anatomy of a reliable AI agent” and 112,540 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 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 4,372 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": "effectiveagents.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 9/14/2026
Valid to 12/13/2026
Time until expiry 49 days

Last successful crawl

Title Effective Agents — Anatomy of a reliable AI agent
Description A visual field guide to the systems behind clear, controlled, and effective AI agents.
Content-Length 112,540 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
104.21.44.230 7/21/2026
172.67.204.193 7/21/2026
IPv6 address First seen
2606:4700:3033:0:0:0:6815:2ce6 7/21/2026
2606:4700:3037:0:0:0:ac43:ccc1 7/21/2026
Mail server Priority First seen
eforward1.registrar-servers.com 10 7/21/2026
eforward2.registrar-servers.com 10 7/21/2026
eforward3.registrar-servers.com 10 7/21/2026
eforward4.registrar-servers.com 15 7/21/2026
eforward5.registrar-servers.com 20 7/21/2026
Name server First seen
amber.ns.cloudflare.com 7/21/2026
kobe.ns.cloudflare.com 7/21/2026

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

104.21.44.230 1,098 domains · here since 9/12/2026
Domain On this IP since
zz66hw.mom 10/10/2026
zuobiqi.org 9/14/2026
zunlv.com.cn 9/23/2026
zullopuntomare.com 9/19/2026
zs2257.com 9/22/2026
zqwlwlsb.com 10/14/2026
zorixa.world 9/15/2026
zisk840-gzitho.com 9/12/2026
zamkoweszkoly.pl 10/17/2026
yueruxs.com 10/7/2026
youvsunicorns.com 9/22/2026
yoursprintgtm.com 9/19/2026
and 1,085 more
172.67.204.193 1,098 domains · here since 9/12/2026
Domain On this IP since
zz66hw.mom 10/10/2026
zuobiqi.org 9/14/2026
zunlv.com.cn 9/23/2026
zullopuntomare.com 9/19/2026
zs2257.com 9/22/2026
zqwlwlsb.com 10/14/2026
zorixa.world 9/15/2026
zisk840-gzitho.com 9/12/2026
zamkoweszkoly.pl 10/17/2026
yueruxs.com 10/7/2026
youvsunicorns.com 9/22/2026
yoursprintgtm.com 9/19/2026
and 1,085 more
2606:4700:3033::6815:2ce6 1,088 domains · here since 9/12/2026
Domain On this IP since
zuobiqi.org 9/14/2026
zunlv.com.cn 9/23/2026
zullopuntomare.com 9/19/2026
zs2257.com 9/22/2026
zqwlwlsb.com 10/14/2026
zorixa.world 9/15/2026
zisk840-gzitho.com 9/12/2026
zamkoweszkoly.pl 10/17/2026
yueruxs.com 10/7/2026
youvsunicorns.com 9/22/2026
yoursprintgtm.com 9/19/2026
yoldaskurye.com.tr 9/22/2026
and 1,075 more
2606:4700:3037::ac43:ccc1 1,088 domains · here since 9/12/2026
Domain On this IP since
zuobiqi.org 9/14/2026
zunlv.com.cn 9/23/2026
zullopuntomare.com 9/19/2026
zs2257.com 9/22/2026
zqwlwlsb.com 10/14/2026
zorixa.world 9/15/2026
zisk840-gzitho.com 9/12/2026
zamkoweszkoly.pl 10/17/2026
yueruxs.com 10/7/2026
youvsunicorns.com 9/22/2026
yoursprintgtm.com 9/19/2026
yoldaskurye.com.tr 9/22/2026
and 1,075 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.