baidu.com/A: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (36.155.132.78, UDP_-_EDNS0_4096_D_KN)
baidu.com/A: The server responded with no OPT record, rather than with RCODE FORMERR. See RFC 6891, Sec. 7. (14.215.178.80, 36.155.132.78, 110.242.68.134, UDP_-_EDNS0_4096_D_KN)
baidu.com/MX: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (36.155.132.78, UDP_-_EDNS0_4096_D_KN)
baidu.com/MX: The server responded with no OPT record, rather than with RCODE FORMERR. See RFC 6891, Sec. 7. (36.155.132.78, 110.242.68.134, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
baidu.com/NS: The server responded with no OPT record, rather than with RCODE FORMERR. See RFC 6891, Sec. 7. (14.215.178.80, 110.242.68.134, UDP_-_EDNS0_4096_D_KN)
baidu.com/SOA: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (36.155.132.78, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
baidu.com/SOA: The server responded with no OPT record, rather than with RCODE FORMERR. See RFC 6891, Sec. 7. (14.215.178.80, 36.155.132.78, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
com to baidu.com: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the com zone): dns.baidu.com See RFC 1034, Sec. 4.2.2.
com to baidu.com: The following NS name(s) were found in the delegation NS RRset (i.e., in the com zone), but not in the authoritative NS RRset: ns1.baidu.com See RFC 1034, Sec. 4.2.2.
baidu.com/CDNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
baidu.com/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
baidu.com/NSEC3PARAM has warnings; select the "Denial of existence" DNSSEC option to see them.
baidu.com/CDS has warnings; select the "Denial of existence" DNSSEC option to see them.
baidu.com/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.