./DNSKEY: No response was received from the server over UDP (tried 4 times). (192.112.36.4, UDP_-_EDNS0_512_D_KN)
Warnings (1)
com to vishay.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): ns1.vishay.com, ns2.vishay.com