> Is there already any tool specifically outputs the authoritative > nameservers as they are delegated in the rootzone for a domain?
res_findzonecut(), inside libbind (now called netresolv), provides an API that does what you don't want (gets the zone's apex NS RRset), but is implemented with logic you could hack to grab the information you do want (the closest ancestor's delegation NS RRset), as it goes by. http://wiki.netbsd.org/individual-software-releases/netresolv/ vixie _______________________________________________ dns-operations mailing list dns-operations@lists.dns-oarc.net https://lists.dns-oarc.net/mailman/listinfo/dns-operations dns-jobs mailing list https://lists.dns-oarc.net/mailman/listinfo/dns-jobs
