. to bn: No valid RRSIGs made by a key corresponding to a DS RR were found covering the DNSKEY RRset, resulting in no secure entry point (SEP) into the zone. (194.0.1.33, 202.12.31.53, 204.61.216.87, 2001:500:14:6087:ad::1, 2001:dd8:12::53, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
. to bn: The DS RRset for the zone included algorithm 8 (RSASHA256), but no DS RR matched a DNSKEY with algorithm 8 that signs the zone's DNSKEY RRset. (194.0.1.33, 202.12.31.53, 204.61.216.87, 2001:500:14:6087:ad::1, 2001:dd8:12::53, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
./DNSKEY: No response was received from the server over UDP (tried 4 times). (2001:500:12::d0d, UDP_-_EDNS0_512_D_KN)
bn zone: The server(s) were not responsive to queries over TCP. (202.93.214.163)
bn/DNSKEY: No response was received from the server over TCP (tried 9 times). (202.93.214.163, TCP_-_EDNS0_4096_D)
bn/DNSKEY: No response was received from the server over UDP (tried 4 times). (202.93.214.163, UDP_-_EDNS0_512_D_KN)
bn/NSEC3PARAM: No response was received from the server over UDP (tried 12 times). (202.93.214.163, UDP_-_NOEDNS_)
bn/SOA: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (202.93.214.163, UDP_-_EDNS0_4096_)
bn/SOA: No response was received from the server over TCP (tried 3 times). (202.93.214.163, TCP_-_EDNS0_4096_D_N)
bn/SOA: No response was received from the server over TCP (tried 4 times). (202.93.214.163, TCP_-_EDNS0_4096_D_0x20)
bn/SOA: No response was received from the server over UDP (tried 10 times) until the DO EDNS flag was cleared (however, this server appeared to respond legitimately to other queries with the DO EDNS flag set). (202.93.214.163, UDP_-_EDNS0_4096_D_KN)
bn/SOA: The DNSSEC records necessary to validate the response could not be retrieved from the server. (202.93.214.163, UDP_-_EDNS0_4096_D_KN)
Warnings (2)
bn/DS (alg 8, id 42604): 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. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
bn/DS (alg 8, id 42604): 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. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)