LINKS for Website OSINT
BuiltWith — https://builtwith.com/
Domain Dossier — https://centralops.net/co/
DNSlytics — https://dnslytics.com/reverse-ip
SpyOnWeb — https://spyonweb.com/
Virus Total — https://www.virustotal.com/
Visual Ping — https://visualping.io/
Back Link Watch — http://backlinkwatch.com/index.php
View DNS — https://viewdns.info/
Pentest-Tools Subdomain Finder — https://pentest-tools.com/information-gathering/find-subdomains-of-domain#
Spyse — https://spyse.com/
crt.sh — https://crt.sh/
Shodan — https://shodan.io
Wayback Machine — https://web.archive.org/
LINKS for Business OSINT
Open Corporates — https://opencorporates.com/
AI HIT — https://www.aihitdata.com/