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hosting a website locally when you have a dynamic ISP assigned IP address

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chenks:
ok here's a theoretical question.

say current ISP provides static IPv4 IP address (just the 1).
own a domain name via 123-reg where the A record points to said static IP from ISP (with website being hosted locally).
all works fine.

however, if one should change ISP that doesn't supply a static IP then the whole thing falls down.

so is there solution that would "get around" such a problem? ie some way for the A record to point to something that then knows what the current ISP assigned IP address is?

jelv:
Yes - you'd need to use a dynamic DNS service which associates a name with your current IP address.

https://www.1and1.co.uk/digitalguide/server/tools/free-dynamic-dns-providers-an-overview/

andyfitter:
Google DNS is pretty good. It lets you use dynamic DNS on hosts within your own domain, rather than being forced to use hosts within some subdomain chosen for you.

chenks:

--- Quote from: jelv on August 29, 2018, 09:35:46 PM ---Yes - you'd need to use a dynamic DNS service which associates a name with your current IP address.

https://www.1and1.co.uk/digitalguide/server/tools/free-dynamic-dns-providers-an-overview/

--- End quote ---

How would the help though?
Is the suggestion that I'd point the A record to the dyndns name? Which in turn then points to the IP?

I thought you could only use IP addresses on A records

chenks:

--- Quote from: andyfitter on August 29, 2018, 10:03:22 PM ---Google DNS is pretty good. It lets you use dynamic DNS on hosts within your own domain, rather than being forced to use hosts within some subdomain chosen for you.

--- End quote ---

How does that work?

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