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DNS Zone has entries dynamicaly added

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3 replies

by mccabe 1 view

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My DNS is seemingly setup OK, NSlookup tests tell me that.
What I don't understand is how and why entries automatically get added to my zone
list in DNS.

These entries are from our road reps who dial in via our carrier over a
public dial-in access. They get assigned a very short lease IP address,
10.10.5.X. This ip address can be used again by the next guy to dial-in to
the network almost immediately.

Im asking this because we are having netlogon issues "Access Denied" and
these entries don't seem right to me.
Your input is welcome.

T.

3 replies

by rkelly

You get this type of feature if you add a WINS record to your zone file. The WINS record allows your DNS server to carry out a WINS lookup on the host portion of a FQDN lookup. When the NetBIOS/IP Address mapping is returned from WINS it is dynamically added to your ZONE as a cached data entry (i.e. it is NOT added to the zone database file and will remove itself eventually, I think the default TTL is 10 minutes).

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