Just discovered web-check.xyz and recommend that you do to!
It's an ALL-IN-ONE OSINT tool for analysing websites. You
give it a URL and it gives you:
Server Location and IP info
SSL Certificate
Domain Whois
Server info
Cookies
Headers
DNS Records
HTTP Security
Social Tags
Security.txt
DNS Server
Firewall
DNS Security
HSTS Check
Threats
TLS Cipher Suites
TLS Security Issues
TLS Handshake Simulation
Redirects
Linked Pages
Crawl Rules
Server Status
Open Ports
TXT Records
Block Lists
Carbon Footprint