com to amd.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): a13-67.akam.net, a26-64.akam.net, a1-155.akam.net, a5-64.akam.net, a8-65.akam.net, a28-64.akam.net See RFC 1034, Sec. 4.2.2.