tn/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (2c0f:fab0:ffff:5:41:228:63:62, UDP_-_EDNS0_512_D_KN)
tn/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (9)
./DNSKEY (alg 8, id 14748): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:7fd::1, UDP_-_EDNS0_4096_D_KN)
./DNSKEY (alg 8, id 20326): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:7fd::1, UDP_-_EDNS0_4096_D_KN)
./DNSKEY (alg 8, id 26838): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:7fd::1, UDP_-_EDNS0_4096_D_KN)
./DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:7fd::1, UDP_-_EDNS0_512_D_KN)
tn/DS (alg 8, id 8629): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:7fd::1, UDP_-_EDNS0_4096_D_KN)
tn/DS (alg 8, id 8629): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:7fd::1, UDP_-_EDNS0_4096_D_KN)
tn/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. (2c0f:fab0:ffff:5:41:228:63:62, UDP_-_EDNS0_4096_D_KN)
tn/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. (2c0f:fab0:ffff:5:41:228:63:62, UDP_-_EDNS0_4096_D_KN)
tn/DS has warnings; select the "Denial of existence" DNSSEC option to see them.