NSEC3 proving non-existence of martinmarietta.com/DS
com/DNSKEY (alg 8, id 30909)
com/DNSKEY (alg 8, id 53929)
com/DS (alg 8, id 30909)
Delegation status
Insecure (1)
com to martinmarietta.com
Secure (1)
. to com
Notices
Warnings (1)
com to martinmarietta.com: Authoritative AAAA records exist for ns-51.awsdns-06.com, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.