1.in-addr.arpa zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (2620:38:2000::53)
1.in-addr.arpa/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (2620:38:2000::53, TCP_-_EDNS0_4096_D_N)
1.in-addr.arpa/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
1.in-addr.arpa/MX has errors; select the "Denial of existence" DNSSEC option to see them.
l4qt2rsywo.1.in-addr.arpa/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (11)
1.in-addr.arpa/DS (alg 13, id 4251): No response was received from the server over UDP (tried 6 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. (2620:37:e000::53, UDP_-_EDNS0_4096_D_KN)
1.in-addr.arpa/DS (alg 13, id 4251): No response was received from the server over UDP (tried 6 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. (2620:37:e000::53, UDP_-_EDNS0_4096_D_KN)
1.in-addr.arpa/SOA: No response was received from the server over UDP (tried 6 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. (2620:38:2000::53, UDP_-_EDNS0_4096_D_KN_0x20)
1.in-addr.arpa/TXT: No response was received from the server over UDP (tried 6 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. (2620:38:2000::53, UDP_-_EDNS0_4096_D_KN)
in-addr.arpa/DNSKEY (alg 8, id 35160): 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)
in-addr.arpa/DNSKEY (alg 8, id 47054): 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)
in-addr.arpa/DNSKEY (alg 8, id 54956): 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)
1.in-addr.arpa/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
1.in-addr.arpa/MX has warnings; select the "Denial of existence" DNSSEC option to see them.
1.in-addr.arpa/DS has warnings; select the "Denial of existence" DNSSEC option to see them.
l4qt2rsywo.1.in-addr.arpa/A has warnings; select the "Denial of existence" DNSSEC option to see them.