. 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 (2021-07-17 23:59:59+00:00) is 2 days in the past.
RRSIG bn/DNSKEY alg 8, id 26224: The Signature Expiration field of the RRSIG RR (2021-07-17 23:59:59+00:00) is 2 days in the past.
RRSIG bn/DNSKEY alg 8, id 26224: The Signature Expiration field of the RRSIG RR (2021-07-17 23:59:59+00:00) is 2 days in the past.
RRSIG bn/DNSKEY alg 8, id 9994: The Signature Expiration field of the RRSIG RR (2021-07-17 23:59:59+00:00) is 2 days in the past.
RRSIG bn/DNSKEY alg 8, id 9994: The Signature Expiration field of the RRSIG RR (2021-07-17 23:59:59+00:00) is 2 days in the past.
RRSIG bn/DNSKEY alg 8, id 9994: The Signature Expiration field of the RRSIG RR (2021-07-17 23:59:59+00:00) is 2 days in the past.
bn/DNSKEY: No response was received from the server over TCP (tried 11 times). (202.93.214.163, TCP_-_EDNS0_4096_D_KN)
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 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: No response was received from the server over UDP (tried 12 times). (202.93.214.163, UDP_-_NOEDNS__0x20)
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 (1)
bn/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. (202.93.214.163, UDP_-_EDNS0_4096_D_KN)