2011/9/1 Daniel McDonald <dan.mcdon...@austinenergy.com>: > On 8/31/11 10:13 PM, "风河" <short...@gmail.com> wrote: > >> Hello, >> >> I found that some queries have got the response which has additional >> section, but some haven't. >> For example, this query with www.google.com got the answer with >> additional section set: >> >> $ dig www.google.com >> ;; MSG SIZE rcvd: 236 >> $ dig www.google.com >> >> ;; MSG SIZE rcvd: 220 > >> My question is under what condition the nameserver answers the query >> with additional section set? > > When there is sufficient space for the additional information in the packet, > it is sent. >
But as you see, both of my queries have the size of 200+, less than 512 bytes. So why they didn't include the full additional sections? Thanks. _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
