NSEC3 proving non-existence of unitedhealthgroup.com/DS
com/DNSKEY (alg 8, id 30909)
com/DNSKEY (alg 8, id 37269)
com/DS (alg 8, id 30909)
Delegation status
Insecure (1)
com to unitedhealthgroup.com
Secure (1)
. to com
Notices
Warnings (3)
./DNSKEY (alg 8, id 20326): 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. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
./DNSKEY (alg 8, id 47671): 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. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
com to unitedhealthgroup.com: The following NS name(s) were found in the delegation NS RRset (i.e., in the com zone), but not in the authoritative NS RRset: edns4.ultradns.biz, edns4.ultradns.com, edns4.ultradns.net, edns4.ultradns.org See RFC 1034, Sec. 4.2.2.