IT Links

Internet:

http://www.dnstools.ch / WebTrace tools!!

https://www.yougetsignal.com / Check Links

Check Host / Where is my server?

Utrace / Where is the IP

penTest / test my web

scanMyServer / test my web

DNSstuff / explore

SSL Check Mozilla / SSL cerificate check

SSL Labs / SSL cerificate check

make your website better / deep web check