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382.5 M

Registered domains

9.2 M

New domains in the last 30 days

64.8 M

Social media profiles detected

spec4ai.com

spec4ai.com 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.

247 other domains share an IP address with it.

The most recent crawl returned the page title “Spec4AI — Prompts drift. Specs ship.” and 39,496 bytes of HTML. webXtrend first recorded it on .

Domain properties

Property Value Explanation
First seen 1/26/2026 Date the domain was first seen.
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 247 Number of domains with the same IP(s).

Detected social media networks

No social networks found on this website.

Last successful crawl

Title Spec4AI — Prompts drift. Specs ship.
Description Stop babysitting your AI. Spec kits lock in what works so AI can't quietly rewrite your decisions. Browse the marketplace, try Studio, or build your own specs.
Content-Length 39,496 bytes

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

Last SSL certificate

Issuer Amazon
Valid from 1/29/2026
Valid to 2/28/2027
Time until expiry 145 days

DNS history

IPv4 address Last updated
13.226.244.101 9/7/2026
13.226.244.103 9/7/2026
13.226.244.11 9/7/2026
13.226.244.16 9/7/2026
54.192.97.45 8/31/2026
IPv6 address Last updated
2600:9000:2013:1000:17:f4b0:2a00:93a1 10/2/2026
2600:9000:2013:2c00:17:f4b0:2a00:93a1 10/2/2026
2600:9000:2013:5a00:17:f4b0:2a00:93a1 10/2/2026
2600:9000:2013:800:17:f4b0:2a00:93a1 10/2/2026
2600:9000:2013:9000:17:f4b0:2a00:93a1 10/2/2026
Mail server Priority Last updated
spec4ai-com.mail.protection.outlook.com 0 2/3/2026
mx1-hosting.jellyfish.systems 5 1/27/2026
mx2-hosting.jellyfish.systems 10 1/27/2026
mx3-hosting.jellyfish.systems 20 1/27/2026
Name server Last updated
tim.ns.cloudflare.com 2/3/2026
treasure.ns.cloudflare.com 2/3/2026
dns1.namecheaphosting.com 1/27/2026
dns2.namecheaphosting.com 1/27/2026

Last 5 redirect domains

No domains found.

Reverse IP neighbours

18.239.105.56 69 domains · here since 9/28/2026
Domain On this IP since
zingy.com.br 10/1/2026
zerogrant.com 10/4/2026
yolo5g.games 9/14/2026
visiondesigning.com 9/26/2026
victoremari.com.br 9/30/2026
travel-nurses.org 9/26/2026
tinyhousehosting.com 9/14/2026
tajlandiadrugidom.pl 10/2/2026
stagingspeak.com 9/26/2026
social-asset.com 9/23/2026
shishpalacefordrd.com 9/26/2026
rejuvenatemobiledrip.co.za 10/3/2026
and 56 more
18.239.105.61 60 domains · here since 9/28/2026
Domain On this IP since
wn77c.com 9/24/2026
whatsnextchallenge.fi 9/30/2026
whatsnextchallenge.com.br 9/16/2026
whatsnextchallenge.ca 9/26/2026
victoremari.com.br 9/30/2026
victorelivia.com.br 9/20/2026
ultimatetopcasinos.com 9/19/2026
tinybabycrown.fun 9/27/2026
tasteesteamkitchentogo.com 9/29/2026
syoss.fi 9/26/2026
sebastianprofessional.us 9/29/2026
reducton.com 9/28/2026
and 47 more
18.239.105.91 56 domains · here since 9/28/2026
Domain On this IP since
xn--falupltslageri-qib.se 9/27/2026
xhp3.cc 9/27/2026
willow247.vip 9/18/2026
vibesync.dev 10/2/2026
tridentanalytics.io 9/25/2026
thewaterman.app 9/24/2026
shridevfoodex.com 10/2/2026
serravillas.nl 9/20/2026
rmaopnshop.com 9/14/2026
risingsuntogo.com 9/30/2026
reach.game 9/24/2026
polyloan.fi 9/21/2026
and 43 more
18.239.105.68 54 domains · here since 9/28/2026
Domain On this IP since
wobkiwi.com 9/28/2026
will-aiden.com 10/4/2026
vibriaclub.com 9/20/2026
tokingcomeslots.vip 9/30/2026
thebetbhai9.vip 10/3/2026
sugardaddymeet.lu 10/1/2026
sthefaneedenis.com.br 9/30/2026
reservefinancialservices.com 9/25/2026
pos-zone.site 10/3/2026
olsera.com 10/3/2026
newcenturysc.com 9/30/2026
mxbc5.cc 10/1/2026
and 41 more
2600:9000:25e8:1000:17:f4b0:2a00:93a1 1 domain · here since 9/28/2026
Domain On this IP since
No other domains on this address.
2600:9000:25e8:8a00:17:f4b0:2a00:93a1 1 domain · here since 9/28/2026
Domain On this IP since
No other domains on this address.
2600:9000:25e8:a200:17:f4b0:2a00:93a1 1 domain · here since 9/28/2026
Domain On this IP since
No other domains on this address.
2600:9000:25e8:c800:17:f4b0:2a00:93a1 1 domain · here since 9/28/2026
Domain On this IP since
No other domains on this address.
2600:9000:25e8:d400:17:f4b0:2a00:93a1 1 domain · here since 9/28/2026
Domain On this IP since
No other domains on this address.
2600:9000:25e8:d600:17:f4b0:2a00:93a1 1 domain · here since 9/28/2026
Domain On this IP since
No other domains on this address.

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.