1
vote
1answer
693 views

Postfix: “hostname x does not resolve to address y” warning even though it does

Postfix log shows lots of these: warning: hostname client.lab.lan does not resolve to address 192.168.1.153 Yet a DNS lookup from the server shows that it does resolve: # nslookup client.lab.lan ...
1
vote
4answers
211 views

DNS answer based on IP address

I'm running a Windows Server 2003 as a DNS server. I'd like to set up a DNS zone so that the given answer is different depending of the requester's IP address. Let's say I have the zone example.com. ...
0
votes
1answer
539 views

Multihomed Server or What?

The first thing i need say is english isnt my native language so i hope u guys can understand me. I`m willing start host an website and mail services on my home, the problem is i dont have many ...
0
votes
1answer
849 views

Can I use BIND to provide DNS resolution for two isolated networks via a dual-homed DNS server?

I am setting up two small isolated networks. Neither of these networks will have an Internet connection. I am trying to provide DNS and DHCP to both networks via a single Ubuntu server I have ...
1
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2answers
1k views

Issues resolving DNS entries for multi-homed servers

This is difficult to explain, so bear with me. We have 2 domain controllers, each multi-homed to straddle 2 internal subnets, (subnet A and subnet B) and provide dns, dhcp, and ldap authentication. ...
0
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2answers
2k views

Multihomed Clustered Windows Server 2008 Network Connectivity Problems After Failover

We have a shinny new multihomed Windows Server 2008 (64 bit) cluster exibiting some strange behavior. The problem: Everything works perfectly until we failover one of the cluster groups Prior to ...