Debug Log Help Request - ServerDialback ?

Can anyone looking at these logs help me understand why we cannot federate these two domains?

1. 2014.01.16 08:03:49 org.jivesoftware.openfire.server.ServerDialback - ServerDialback: OS - Ignoring unexpected answer in validation from: jabber.org id: 68569c9063507cb3 for domain: gpi.com answer:<stream:features xmlns:stream="http://etherx.jabber.org/streams"><starttls xmlns="urn:ietf:params:xml:ns:xmpp-tls"/><sm xmlns="urn:xmpp:sm:2"><optional/></sm><bidi xmlns="urn:xmpp:features:bidi"/><dialback xmlns="urn:xmpp:features:dialback"><errors/></dialback></stream:features>
2. 2014.01.16 08:09:16 org.jivesoftware.openfire.net.ServerTrustManager - Accepting self-signed certificate of remote server: [SDDMZCUPS01.advance-auto.com]
3. 2014.01.16 08:09:16 org.jivesoftware.openfire.server.ServerDialback - ServerDialback: OS - Ignoring unexpected answer in validation from: advance-auto.com id: E39C9C569 for domain: gpi.com answer:<stream:features xmlns:stream="http://etherx.jabber.org/streams"><starttls xmlns="urn:ietf:params:xml:ns:xmpp-tls"/></stream:features>
4. 2014.01.16 08:09:46 org.jivesoftware.openfire.server.ServerDialback - ServerDialback: OS - Ignoring unexpected answer in validation from: advance-auto.com id: E39C9C569 for domain: gpi.com answer:<stream:error xmlns:stream="http://etherx.jabber.org/streams"><not-authorized xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/></stream:error>
5. 2014.01.16 08:11:27 org.jivesoftware.openfire.server.ServerDialback - ServerDialback: OS - Ignoring unexpected answer in validation from: proxy.eu.jabber.org id: c16b21c4cfe35d48 for domain: gpi.com answer:<stream:features xmlns:stream="http://etherx.jabber.org/streams"><starttls xmlns="urn:ietf:params:xml:ns:xmpp-tls"/><sm xmlns="urn:xmpp:sm:2"><optional/></sm><bidi xmlns="urn:xmpp:features:bidi"/><dialback xmlns="urn:xmpp:features:dialback"><errors/></dialback></stream:features>
6. 2014.01.16 08:13:29 org.jivesoftware.openfire.session.LocalOutgoingServerSession - Error trying to connect to remote server: eu.jabber.org(DNS lookup: eu.jabber.org:5269)
7. java.net.UnknownHostException: eu.jabber.org

at java.net.PlainSocketImpl.connect(Unknown Source)

at java.net.SocksSocketImpl.connect(Unknown Source)

at java.net.Socket.connect(Unknown Source)

at org.jivesoftware.openfire.session.LocalOutgoingServerSession.createOutgoingSess ion(LocalOutgoingServerSession.java:280)

at org.jivesoftware.openfire.session.LocalOutgoingServerSession.authenticateDomain (LocalOutgoingServerSession.java:208)

at org.jivesoftware.openfire.server.OutgoingSessionPromise$PacketsProcessor.sendPa cket(OutgoingSessionPromise.java:261)

at org.jivesoftware.openfire.server.OutgoingSessionPromise$PacketsProcessor.run(Ou tgoingSessionPromise.java:238)

at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

at java.lang.Thread.run(Unknown Source)

1. 2014.01.16 08:13:30 org.jivesoftware.openfire.server.ServerDialback - ServerDialback: OS - Ignoring unexpected answer in validation from: jabber.org id: 23e3b3a4ac671e11 for domain: gpi.com answer:<stream:features xmlns:stream="http://etherx.jabber.org/streams"><starttls xmlns="urn:ietf:params:xml:ns:xmpp-tls"/><sm xmlns="urn:xmpp:sm:2"><optional/></sm><bidi xmlns="urn:xmpp:features:bidi"/><dialback xmlns="urn:xmpp:features:dialback"><errors/></dialback></stream:features>