* Drunkard Zhang: > 2011/2/22 Florian Weimer <fwei...@bfk.de>: >> * Drunkard Zhang: >> >>> The upstream DNS server 211.161.192.1 did responsed correctly, by >>> analysis via tcpdump. But why bind didn't use THE RESPONSE, but >>> resolves again from root-servers. >> >> Unfortunately, the information provided by 211.161.192.1 must be >> discarded because that is server is not authoritative for cachecn.com. >> From your resolver's perspective, it is a totally unrelated domain >> name. >> > Thanks! So bind can accept second hand answer, but won't accept third > hand (or more) answer?
It shouldn't accept the second CNAME, either. Are you sure that it does? It's probably the same globally, so it's not visible from the cache contents. -- Florian Weimer <fwei...@bfk.de> BFK edv-consulting GmbH http://www.bfk.de/ Kriegsstraße 100 tel: +49-721-96201-1 D-76133 Karlsruhe fax: +49-721-96201-99 _______________________________________________ bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users