emc.com zone: The following NS name(s) resolved to IP address(es) in private IP address space: hopibgm4.isus.emc.com
Warnings (1)
com to emc.com: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the com zone): hopibgm4.isus.emc.com, emcns8.emc.com See RFC 1034, Sec. 4.2.2.