PowerShell command to export all the URL settings for Exchange Server 2013
Get-OutlookAnywhere | Select Server,ExternalHostname,Internalhostname
Get-MapiVirtualDirectory | Select Server,ExternalURL,InternalURL | fl
Get-OwaVirtualDirectory | Select Server,ExternalURL,InternalURL | fl
Get-EcpVirtualDirectory | select InternalURL,ExternalURL
Get-ActiveSyncVirtualDirectory | select server,externalurl,internalurl | fl
Get-WebServicesVirtualDirectory | Select Server,ExternalURL,InternalURL | fl
Get-OabVirtualDirectory | Select Server,ExternalURL,InternalURL | fl
Get-ClientAccessServer | Select Name,AutoDiscoverServiceInternalURI