ahrq.gov/MX: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (158.74.30.98, UDP_-_EDNS0_512_D_KN)
Warnings (4)
ahrq.gov/MX: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (158.74.30.102, UDP_-_EDNS0_4096_D_KN)
ahrq.gov/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. See RFC 6891, Sec. 6.2.6. (158.74.30.102, UDP_-_EDNS0_4096_D_KN_0x20)
ahrq.gov/NSEC3PARAM has warnings; select the "Denial of existence" DNSSEC option to see them.
ahrq.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.