In message <ytm5xuatw6fkp...@nic.fr>, Stephane Bortzmeyer <bortzme...@nic.fr> wrote:
>On Tue, Sep 07, 2021 at 10:48:57AM -0400, > Matthew Pounsett <m...@conundrum.com> wrote > a message of 32 lines which said: > >> Yeah, you can pretty reliably get the answer in one or two steps by >> requesting the NS set for the FQDN. You'll either get your answer, or >> get an SOA with the name of the enclosing zone. Second lookup gets >> you the NS set for the enclosing zone. > >Indeed (unless you find a broken resolver that fail to send the SOA). I don't want and don't need SOA records. I want and need only the relevant NS records. >I was thinking of another issue: if the goal of the OP is to find >which domain names are on the same authoritative name servers... Thank you but no, that was not among my goals. I just want the names of the final and actual name servers that would / should respond to the given query. >asking >the NS may not be sufficient, if a name server is known by several >names (for instance, a.nic.sex and a.nic.sucks are the same >machine). So, the OP may have to do a resolution of nameservers' names >into IP addresses, as well. Thank you. I am well and truly aware of that fact that multiple name server names may resolve to some single common IP address. Fortunately, for what I am doing, this fact is not of any relevance. Regards, rfg _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
