Bind8 does every 4sec a DNS-lookup

[Barry Margolin]

In article <394F6197.173CCAC5 at intstar.com>,
Gareth Bromley  <gbromley at intstar.com> wrote:
>Christian Birkmeier wrote:
>
>> I have an Dial-on-Demand Connection configured on that computer. My
>> Bind8 Nameserver does every 4sec. a DNS-Querry. Tcpdump -i sl0 shows
>> that:
>
>Do you have any internal clients using WINS or DNS e.g. Windows clients. I
>used to have similar things, when the sales people came in with laptops
>misconfigured to use DNS for WINS queries resulting in the ISDN routers
>kicking every 4-16 seconds (Nice ISDN bill ;) )
>
>> 21:01:16.858929 fw.home.net.61002 > 202.12.27.33.domain: 3816 NS? . (17)
>> 21:01:20.858929 fw.home.net.61002 > 192.112.36.4.domain: 3816 NS? . (17)
>> 21:01:24.858929 fw.home.net.61002 > 128.63.2.53.domain: 3816 NS? . (17)
>
>All the above are root level servers.
>H.ROOT-SERVERS.NET.      3600000      A     128.63.2.53
>G.ROOT-SERVERS.NET.      3600000      A     192.112.36.4
>M.ROOT-SERVERS.NET.      3600000      A     202.12.27.33
>
>Looks like something is query for a non-local domain. Whats your NT/WINS
>domains/workgroups called?

Actually, it will do that even if no one is querying.  When named starts
up, it wants to get the current list of root servers from one of the
servers in the hints file, so it sends out those queries spontaneously.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Burlington, MA
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