Dynamic DNS

Noip.com

The download and instructions for the client are here: https://my.noip.com/dynamic-dns/duc

satoshihost.ddns.net
3h4pc79scz2xcvi6.myfritz.net also works but only due to the router I have. ddns will work for anyone.

Could also Choose dynu.com which has a chrome plugin.
duckdns is also a free service.

https://www.dynu.com/
https://www.youtube.com/watch?v=wCJjiHp0d0w use that
https://www.youtube.com/watch?v=ZKEGP_qBmxg and this to fill the gaps.
https://www.dynu.com/DynamicDNS/IPUpdateClient/RaspberryPi-Dynamic-DNS specific to pi
https://www.dynu.com/DynamicDNS/IPUpdateClient/Chrome-Extension