./DNSKEY: No response was received from the server over UDP (tried 14 times). See RFC 1035, Sec. 4.2. (192.33.4.12, UDP_-_EDNS0_4096_D_KN)
./DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (192.33.4.12, UDP_-_EDNS0_512_D_KN)
nl/DS (alg 13, id 17153): DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 12 times) with the DO bit set. See RFC 4035, Sec. 3.2.1. (192.33.4.12, UDP_-_EDNS0_4096_)
nl/DS (alg 13, id 17153): DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 12 times) with the DO bit set. See RFC 4035, Sec. 3.2.1. (192.33.4.12, UDP_-_EDNS0_4096_)
nl/DS (alg 13, id 17153): No response was received from the server over UDP (tried 12 times) until the DO EDNS flag was cleared (however, this server appeared to respond legitimately to other queries with the DO EDNS flag set). See RFC 6891, Sec. 6.1.4. (192.33.4.12, UDP_-_EDNS0_4096_D_KN)
nl/DS (alg 13, id 17153): No response was received from the server over UDP (tried 12 times) until the DO EDNS flag was cleared (however, this server appeared to respond legitimately to other queries with the DO EDNS flag set). See RFC 6891, Sec. 6.1.4. (192.33.4.12, UDP_-_EDNS0_4096_D_KN)
nl/DS has errors; select the "Denial of existence" DNSSEC option to see them.