com to abbott.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): a16-65.akam.net, a9-64.akam.net, a22-66.akam.net, a6-65.akam.net, a1-242.akam.net, a11-67.akam.net See RFC 1034, Sec. 4.2.2.