s, packet = ldns.ldns_wire2pkt(result.packet)
rrsigs = packet.rr_list_by_type(RR_TYPE_RRSIG, ldns.LDNS_SECTION_ANSWER).rrs()
for rrsig in rrsigs:
delta = parse_rrsig_expire(str(rrsig.rrsig_expiration()))
if delta < crit:
s, packet = ldns.ldns_wire2pkt(result.packet)
rrsigs = packet.rr_list_by_type(RR_TYPE_RRSIG, ldns.LDNS_SECTION_ANSWER).rrs()
for rrsig in rrsigs:
delta = parse_rrsig_expire(str(rrsig.rrsig_expiration()))
if delta < crit: