> Thank your for answer. I just have one question: What you mean that my > provider has to delegate rDNS to me? I have the resolv.conf with my own > nameservers. > > Locally it shows as I want, but not on the Internet. What would I need to > ask to my provider?
You have to set the rdns entries on the 'authoritative name server' of your domain (it's the nameserver that manages your domain).
