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. (2620:37:e000::53, UDP_-_EDNS0_4096_D_KN)
ua2i0l63ox.ip6.arpa/A has warnings; select the "Denial of existence" DNSSEC option to see them.
ip6.arpa/MX has warnings; select the "Denial of existence" DNSSEC option to see them.
ip6.arpa/TXT has warnings; select the "Denial of existence" DNSSEC option to see them.