How can I get the equivalent of a static IP address?

In the past, I was able to access a free service from, which connected to my server which had a dynamically-assigned IP address.  My server had a service running which, every minute or so, updated with the current IP address.
This avoided my need to have a static IP address for my website.
Do you know of any equivalent service that's still available for free?

At the moment, redirects to ... and they want $5 per month.  I guess that's not really all that much.

Dwight BaerStudentAsked:
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Miguel Angel Perez MuñozCommented:
Noip can give you free service for one hostname.
I've been using
It just plain works. And it's more flexible with command line options for batch files, for example.

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I went with for DDNS service. I was able to use a domain name registered to me already, at no extra charge.

I made a list of DDNS services available at the time, trying to decide which one to use. Dynu was the first one I tried and it has worked just fine.
Dwight BaerStudentAuthor Commented:
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