ip6.arpa/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (196.216.169.11, TCP_-_EDNS0_4096_D_N)
ip6.arpa/MX has errors; select the "Denial of existence" DNSSEC option to see them.
ip6.arpa/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
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/TXT has warnings; select the "Denial of existence" DNSSEC option to see them.
iydt91rk80.ip6.arpa/A has warnings; select the "Denial of existence" DNSSEC option to see them.