chrobinson.com/A: The server responded with no OPT record, rather than with RCODE FORMERR. See RFC 6891, Sec. 7. (168.208.16.143, 168.208.16.144, UDP_-_EDNS0_4096_D_KN)
chrobinson.com/MX: The server responded with no OPT record, rather than with RCODE FORMERR. See RFC 6891, Sec. 7. (168.208.16.143, 168.208.16.144, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
w9h5xc1dyq.chrobinson.com/A has warnings; select the "Denial of existence" DNSSEC option to see them.
chrobinson.com/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.