amd.com/SOA: No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. See RFC 6891, Sec. 6.2.6. (2600:1403:a::41, UDP_-_EDNS0_4096_D_KN_0x20)
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.