cn zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (203.119.26.1, 2001:dc7:1::1)
com.cn zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (203.119.26.1, 2001:dc7:1::1)
com.cn/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (203.119.26.1, 2001:dc7:1::1, UDP_-_NOEDNS_)
com.cn/A has errors; select the "Denial of existence" DNSSEC option to see them.
com.cn/CDS has errors; select the "Denial of existence" DNSSEC option to see them.
com.cn/MX has errors; select the "Denial of existence" DNSSEC option to see them.
g6qli.noaig.com.cn/A has errors; select the "Denial of existence" DNSSEC option to see them.
com.cn/TXT has errors; select the "Denial of existence" DNSSEC option to see them.
com.cn/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
com.cn/CDNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
com.cn/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (14)
. to cn: Authoritative AAAA records exist for ns.cernet.net, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
. to cn: The glue address(es) for ns.cernet.net (202.112.0.44) differed from its authoritative address(es) (103.137.60.44, 202.112.0.44). See RFC 1034, Sec. 4.2.2.
./DNSKEY (alg 8, id 20038): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
./DNSKEY (alg 8, id 20326): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
./DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_512_D_KN)
com.cn/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. (203.119.25.1, UDP_-_EDNS0_4096_D_KN_0x20)
com.cn/A has warnings; select the "Denial of existence" DNSSEC option to see them.
com.cn/CDS has warnings; select the "Denial of existence" DNSSEC option to see them.
com.cn/MX has warnings; select the "Denial of existence" DNSSEC option to see them.
g6qli.noaig.com.cn/A has warnings; select the "Denial of existence" DNSSEC option to see them.
com.cn/TXT has warnings; select the "Denial of existence" DNSSEC option to see them.
com.cn/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
com.cn/CDNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
com.cn/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.