On 07/06/2021 21:49, Tim via users wrote:
On Sun, 2021-06-06 at 11:54 -0700, Jack Craig wrote:
something i dont get, if my registrar provides glue references for
primary & secondary domain dns servers, what purpose is served by
anything in my host's named.conf (et al) having any reference to my
domain if it's not accessible/useful?
i had thought that i should provide the primary server and my hosting
service provided secondary, but that leaves only the secondary os i
have only 1 responding
The internet, at large, will always use your primary server. If it
can't, it'll try your secondary server.
I'm not certain what you mean by the use of "primary" in that statement. But I
don't think
it is actually accurate in any event.
On 2 different system that have been recently rebooted, haven't done a lookup
on a given host, so they have no
cached entry I get the following results.
System A
linuxlighthouse.com. 7200 IN A 208.91.197.27
;; Received 64 bytes from 162.159.27.77#53(ns22.worldnic.com) in 222 ms
Sytem B
linuxlighthouse.com. 7200 IN A 208.91.197.27
;; Received 64 bytes from 162.159.26.132#53(ns21.worldnic.com) in 201 ms
And, actually, if you run the same dig multiple times on each system you'll get
either one of the 2.
(Not 100% sure what option in my dig command causes TTL to be ignored, probalby
+trace)
--
Remind me to ignore comments which aren't germane to the thread.
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