ip6.arpa/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (196.216.169.11, UDP_-_EDNS0_512_D_KN)
ip6.arpa/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
ip6.arpa/MX has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
ip6.arpa/SOA: No response was received from the server over UDP (tried 5 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (196.216.169.11, UDP_-_EDNS0_512__O(100)KN)
ip6.arpa/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. (196.216.169.11, UDP_-_EDNS0_4096_D_KN)
ip6.arpa/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.