Websites

OSINT via Google Dorking

Searching the website in quotes wont only return the website but it will also return places the website is linked

"adot8.com"
site:adot8.com         <-- Only from results from the website

Web Based Tools

https://builtwith.com/builtwith.com

Shows you what the website is built on

URL and website scanner - urlscan.io

Web Check

crt.sh | Certificate Search

Find subdomains

Free online network tools - traceroute, nslookup, dig, whois lookup, ping - IPv6

Dumps IP addresses, Whois which can have personal information, DNS records and Service Scans

Reverse IP - Find websites hosted on the same IP address, server or subnet

Find all domains that are hosted with the same IP. Useful for self hosted servers.

VirusTotalVirusTotal

Can be used to get UAid which can be tied to other websites making more connections

Backlinks Checker Tool - Backlink Watch

View where the website has also be linked