Re: Why two lookups for a CNAME?

2015-10-23 Thread Reindl Harald
Am 23.10.2015 um 10:21 schrieb Matus UHLAR - fantomas: Am 22.10.2015 um 14:01 schrieb Matus UHLAR - fantomas: I wonder if it's not enough to verify that the first response was received from proper server. Since play.l.google.com is a subdomain of play.google.com, the lookup would go throuth

RE: Why two lookups for a CNAME?

2015-10-23 Thread Woodworth, John R
> From: bind-users-boun...@lists.isc.org > [mailto:bind-users-boun...@lists.isc.org] On Behalf Of Steve Arntzen > > > > The reason is, when our Bind server is communicating over a satellite link > > with a 600 ms round trip time per transaction, the delay becomes noticeable > > (>1.2 seconds for

RE: Why two lookups for a CNAME?

2015-10-23 Thread Woodworth, John R
From: bind-users-boun...@lists.isc.org [mailto:bind-users-boun...@lists.isc.org] On Behalf Of Steve Arntzen > > The reason is, when our Bind server is communicating over a satellite link > with a 600 ms round trip time per transaction, the delay becomes noticeable > (>1.2 seconds for a single

Re: Why two lookups for a CNAME?

2015-10-23 Thread Matus UHLAR - fantomas
Am 22.10.2015 um 14:01 schrieb Matus UHLAR - fantomas: I wonder if it's not enough to verify that the first response was received from proper server. Since play.l.google.com is a subdomain of play.google.com, the lookup would go throuth google.com nameservers again... when servers for