setup free DDns for your home pc using no-ip and router setting for no-ip

———————-Theory——————

Dynamic DNS (DDNS or DynDNS) is a method of automatically updating a name server in the Domain Name System (DNS), often in real time, with the active DDNS configuration of its configured hostnames, addresses or other information.

Your IP address is just like your phone number, but it is your computers personal phone number on the internet. It is used by your Internet Service Providers to connect your computer to the Internet. Your computer doesn’t have the same number every day, it has a dynamic IP address, meaning it changes. It could change once a month, once a week, or even a few times a day, but it does change. Dynamic IP addresses are very common since they are cost effective for ISPs.