. 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. (202.12.31.53, 2001:dd8:12::53, TCP_-_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 3 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 3 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 3 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 3 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 3 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 3 days in the past.
bn/DNSKEY (alg 8, id 31998): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (202.12.31.53, 2001:dd8:12::53, TCP_-_EDNS0_4096_D_KN)