ldap
server.dns.lookup :type SRV :target _ldap._tcp.domain.com
Kerberos
server.dns.lookup :type SRV :target _kerberos._tcp.domain.com
server.dns.lookup :type SRV :target _ldap._tcp.domain.com
server.dns.lookup :type SRV :target _kerberos._tcp.domain.com
nslookup -type=SRV _ldap._tcp.yourdomain.org nslookup -type=SRV _ldap._tcp.dc._msdcs.yourdomain.org nslookup -type=SRV _gc._tcp.yourdomain.org nslookup -type=SRV _ldap._tcp.gc._msdcs.yourdomain.org