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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

agentsim.dev

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

agentsim.dev serves a website of its own. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

3,310 other domains share an IP address with it.

The most recent crawl returned the page title “AgentSIM | Operational Identity For Agents” and 152,779 bytes of HTML. The site links to X and LinkedIn profiles.

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 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 3,310 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": "agentsim.dev"}'

Create a free account Read the API docs

Detected social media networks

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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 9/15/2026
Valid to 12/14/2026
Time until expiry 53 days

Last successful crawl

Title AgentSIM | Operational Identity For Agents
Description Operational identity for agents hitting auth walls. Verify apps you own, run a live SMS challenge, and return a code or safe stop into the agent workflow.
Content-Length 152,779 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
104.21.53.205 9/7/2026
172.67.218.178 9/7/2026
216.150.1.1 3/18/2026
IPv6 address Last updated
2606:4700:3034:0:0:0:6815:35cd 9/7/2026
2606:4700:3034:0:0:0:ac43:dab2 9/7/2026
Mail server Priority Last updated
mx.zoho.eu 10 10/2/2026
mx2.zoho.eu 20 10/2/2026
mx3.zoho.eu 50 10/2/2026
aspmx.l.google.com 1 6/6/2026
alt1.aspmx.l.google.com 5 6/6/2026
Name server Last updated
jeremy.ns.cloudflare.com 3/18/2026
raina.ns.cloudflare.com 3/18/2026

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

104.21.53.205 831 domains · here since 10/15/2026
Domain On this IP since
zzppcd.cc 9/15/2026
zune.club 9/16/2026
zoevesper.com 10/10/2026
zjgcjny.com 9/14/2026
zeus787.org 9/14/2026
z-triton.com 9/15/2026
yzshwt.com 9/16/2026
yz-dsjx.com 9/21/2026
ysw58.net 9/29/2026
yourownstack.com 10/16/2026
yorktownvaphotographer.com 9/12/2026
yjoku.cn 9/21/2026
and 818 more
172.67.218.178 831 domains · here since 10/15/2026
Domain On this IP since
zzppcd.cc 9/15/2026
zune.club 9/16/2026
zoevesper.com 10/10/2026
zjgcjny.com 9/14/2026
zeus787.org 9/14/2026
z-triton.com 9/15/2026
yzshwt.com 9/16/2026
yz-dsjx.com 9/21/2026
ysw58.net 9/29/2026
yourownstack.com 10/16/2026
yorktownvaphotographer.com 9/12/2026
yjoku.cn 9/21/2026
and 818 more
2606:4700:3034::6815:35cd 824 domains · here since 10/15/2026
Domain On this IP since
zzppcd.cc 9/15/2026
zune.club 9/16/2026
zoevesper.com 10/10/2026
zjgcjny.com 9/14/2026
zeus787.org 9/14/2026
z-triton.com 9/15/2026
yzshwt.com 9/16/2026
yz-dsjx.com 9/21/2026
ysw58.net 9/29/2026
yourownstack.com 10/16/2026
yorktownvaphotographer.com 9/12/2026
yjoku.cn 9/21/2026
and 811 more
2606:4700:3034::ac43:dab2 824 domains · here since 10/15/2026
Domain On this IP since
zzppcd.cc 9/15/2026
zune.club 9/16/2026
zoevesper.com 10/10/2026
zjgcjny.com 9/14/2026
zeus787.org 9/14/2026
z-triton.com 9/15/2026
yzshwt.com 9/16/2026
yz-dsjx.com 9/21/2026
ysw58.net 9/29/2026
yourownstack.com 10/16/2026
yorktownvaphotographer.com 9/12/2026
yjoku.cn 9/21/2026
and 811 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.