. 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)
RRSIG bn/DNSKEY alg 8, id 26224: The Signature Expiration field of the RRSIG RR (2022-05-17 23:59:59+00:00) is 8 hours, 23 minutes in the past.
RRSIG bn/DNSKEY alg 8, id 26224: The Signature Expiration field of the RRSIG RR (2022-05-17 23:59:59+00:00) is 8 hours, 23 minutes in the past.
RRSIG bn/DNSKEY alg 8, id 26224: The Signature Expiration field of the RRSIG RR (2022-05-17 23:59:59+00:00) is 8 hours, 23 minutes in the past.
RRSIG bn/DNSKEY alg 8, id 9994: The Signature Expiration field of the RRSIG RR (2022-05-17 23:59:59+00:00) is 8 hours, 23 minutes in the past.
RRSIG bn/DNSKEY alg 8, id 9994: The Signature Expiration field of the RRSIG RR (2022-05-17 23:59:59+00:00) is 8 hours, 23 minutes in the past.
RRSIG bn/DNSKEY alg 8, id 9994: The Signature Expiration field of the RRSIG RR (2022-05-17 23:59:59+00:00) is 8 hours, 23 minutes in the past.
RRSIG bn/SOA alg 8, id 62205: The cryptographic signature of the RRSIG RR does not properly validate.
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 UDP (tried 12 times). (202.93.214.163, UDP_-_NOEDNS_)
bn/DNSKEY: No response was received from the server over UDP (tried 4 times). (202.93.214.163, UDP_-_EDNS0_512_D_KN)
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 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)