he.net zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (216.66.80.18)
he.net/MX: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (216.66.80.18, UDP_-_EDNS0_512_D_KN)
he.net/MX: The UDP connection was refused (ECONNREFUSED). See RFC 1035, Sec. 4.2. (216.66.80.18, UDP_-_EDNS0_4096_D)
he.net/NS: The UDP connection was refused (ECONNREFUSED). See RFC 1035, Sec. 4.2. (216.66.80.18, UDP_-_EDNS0_4096_D_KN)
he.net/SOA: The TCP connection was refused (ECONNREFUSED). See RFC 1035, Sec. 4.2. (216.66.80.18, TCP_-_EDNS0_4096_D_N)
he.net/SOA: The UDP connection was refused (ECONNREFUSED). See RFC 1035, Sec. 4.2. (216.66.80.18, UDP_-_EDNS0_4096_D_KN)
Warnings (4)
he.net/SOA: No response was received from the server over UDP (tried 11 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. (216.66.80.18, UDP_-_EDNS0_4096_D_KN_0x20)
he.net/TXT: No response was received from the server over UDP (tried 10 times) until the DO EDNS flag was cleared (however, this server appeared to respond legitimately to other queries with the DO EDNS flag set). See RFC 6891, Sec. 6.1.4. (216.66.80.18, UDP_-_EDNS0_4096_D_KN)
he.net/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
82dnxy0i3w.he.net/A has warnings; select the "Denial of existence" DNSSEC option to see them.