gazeta.spb.ru/A: No response was received from the server over UDP (tried 12 times). (91.217.20.150, 91.217.21.150, 193.232.146.150, UDP_-_NOEDNS_)
ru to spb.ru: 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.
spb.ru zone: The server(s) were not responsive to queries over UDP. (91.217.20.150, 91.217.21.150, 193.232.146.150)