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My ISP for home internet is giving me some kind of DNS record that lets me redirect a name to my dynamic IP address, I set something like

MYNAME.go.myisp.tld

So accessing that domain shows my home web server and things like that. But ... is it possible to use a local server to define all common DNS records like mail.myname.go.myisp.tld ?

I cannot seem to do it, I am not sure how DNS works, will my home server be able to respond to mail.myname.go.myisp.tld or will a visitor get a ~no such record reply directly from an upper server like myisp.tld ?

adrianTNT
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    Instead of using your ISP's name, why not purchase your own for like $12/yr, and point its nameserver to yourself. Then you have a real domain :D – Matt Clark Jun 01 '15 at 04:03
  • Having a real domain was not the purpose, I have many domains. I was trying to receive email at that sub-domain name provided by my ISP. – adrianTNT Jun 01 '15 at 10:57

1 Answers1

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In general, no.

They would need to offer either:

  • the ability to add DNS records to their nameservers for your subdomain via some sort of admin panel
  • the ability to delegate management of MYNAME.go.myisp.tld to nameservers of your choosing via NS records
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ceejayoz
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  • So in general `sub.sub.sub.main.domain.tld` is always controlled by the root name `domain.tld` unless it specifies the slaves are able to change their own sub-records ? On my local computer I have bind9 running, I just don't know if I am blocked at upper host. – adrianTNT Jun 01 '15 at 10:59
  • @adrianTNT `domain.tld`'s nameservers handle requests for `*.domain.tld`. If `whatever.domain.tld` returns a set of `NS` records, it is considered delegated and *those* nameservers control `whatever.domain.tld` and `whatever.*.domain.tld`. – ceejayoz Jun 01 '15 at 12:46
  • did you meant `AND *.whatever.domain.tld` ? – adrianTNT Jun 02 '15 at 01:22
  • @adrianTNT Yep, sorry! – ceejayoz Jun 02 '15 at 01:25