airnow.gov/AAAA: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 11 times) with EDNS enabled. (161.80.212.5, UDP_-_NOEDNS_)
airnow.gov/AAAA: No response was received from the server over UDP (tried 11 times) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). (161.80.212.5, UDP_-_EDNS0_4096_D_KN)
airnow.gov/AAAA: The DNSSEC records necessary to validate the response could not be retrieved from the server. (161.80.212.5, UDP_-_EDNS0_4096_D_KN)
airnow.gov/SOA: No response was received from the server over UDP (tried 12 times). (134.67.12.5, 134.67.12.15, 161.80.212.5, 161.80.212.15, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)