com to chk.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): aplbctprd102.chkenergy.com, aplbctprd301.chkenergy.com, aplbctprd101.chkenergy.com See RFC 1034, Sec. 4.2.2.
com to chk.com: The following NS name(s) were found in the delegation NS RRset (i.e., in the com zone), but not in the authoritative NS RRset: ns.chkenergy.com, ns2.chkenergy.com, ns3.chkenergy.com See RFC 1034, Sec. 4.2.2.