org/SOA: No response was received from the server over UDP (tried 4 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. (199.19.56.1, UDP_-_EDNS0_512_128_KN)
org/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. (199.19.53.1, 2001:500:f::1, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
org/CDS has warnings; select the "Denial of existence" DNSSEC option to see them.
hteuo.6lons.org/A has warnings; select the "Denial of existence" DNSSEC option to see them.
org/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
org/CDNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.