Technical infos
Every site can see all those infos about you
Browser: CCBot/2.0 (https://commoncrawl.org/faq/)
Your IP address is: 3.236.138.35 from source port 56720
The server side: tlb.ch 83.169.35.146 on destination port 80
IPv6 Wiki
An IPv6 Deployment Guide from 6net.org
Cisco IOS IPv6 Command Reference
Hurricane Electric - Free IPv6 Tunnel Broker
Eicar Test Files (HTTP)
Eicar Test Files (HTTPS)