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roy_battyFlag for United Kingdom of Great Britain and Northern Ireland

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Using a certificate with a non- static Internet ip address

I have a broadband connection for domestic customers and my ISP will onl ygive static ip addresses to business users. It dont really want to pay nearly double what I am currently paying just to get a static address.

I know I can use one of the dyn-dns type services available. I currently use duck dns.

I have a  test lab at home and I am trying to set up servers which require certificates to work properly.

I dont think there is a way to use certificates with duck dns or an alternative. What options do I have to get this working.

My ip address is fairly sticky, so I suppose I could just edit my domains DNS record if my ip address changes.

Is there an easier way?
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Phil Phillips
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Certificates are actually tied to domain names, and not IP addresses.  So, even if the underlying IP is changing, the certificate will still work as long as the domain name is constant.
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Of course it is :)  So i suppose then my question is more about is there a way to automatically update my DNS record help with my ISP on the rare occasion that my ip address does change.
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Phil Phillips
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Option 2 sounds like what I am after. I have got a certificate for my domain. So I just need to set up a cname in my DNS Record pointing to the subdomain I have created under Duck DNS.

I did think that maybe this would be an option but presumed it would create some kind of mismatch of domain names, but having thought it over again just now probably not.
Yup, that should work :).

As an example, EE is set up the same way!

$ host secure.experts-exchange.com
secure.experts-exchange.com is an alias for www.experts-exchange.com.
www.experts-exchange.com is an alias for experts-exchange-437318971.us-east-1.elb.amazonaws.com.
experts-exchange-437318971.us-east-1.elb.amazonaws.com has address 54.85.67.28
experts-exchange-437318971.us-east-1.elb.amazonaws.com has address 54.174.170.18

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Perfect. Will give that a go.

Thanks for the help here.