production.cloudflare.docker.com/A: A query for production.cloudflare.docker.com results in a NOERROR response, while a query for its ancestor, cloudflare.docker.com, returns a name error (NXDOMAIN), which indicates that subdomains of cloudflare.docker.com, including production.cloudflare.docker.com, don't exist. See RFC 8020, Sec. 2. (108.162.192.91, 108.162.193.140, 172.64.32.91, 172.64.33.140, 173.245.58.91, 173.245.59.140, 2606:4700:50::adf5:3a5b, 2606:4700:58::adf5:3b8c, 2803:f800:50::6ca2:c05b, 2803:f800:50::6ca2:c18c, 2a06:98c1:50::ac40:205b, 2a06:98c1:50::ac40:218c, UDP_-_EDNS0_4096_D_KN)
production.cloudflare.docker.com/AAAA: A query for production.cloudflare.docker.com results in a NOERROR response, while a query for its ancestor, cloudflare.docker.com, returns a name error (NXDOMAIN), which indicates that subdomains of cloudflare.docker.com, including production.cloudflare.docker.com, don't exist. See RFC 8020, Sec. 2. (108.162.192.91, 108.162.193.140, 172.64.32.91, 172.64.33.140, 173.245.58.91, 173.245.59.140, 2606:4700:50::adf5:3a5b, 2606:4700:58::adf5:3b8c, 2803:f800:50::6ca2:c05b, 2803:f800:50::6ca2:c18c, 2a06:98c1:50::ac40:205b, 2a06:98c1:50::ac40:218c, UDP_-_EDNS0_4096_D_KN)
production.cloudflare.docker.com/NS: A query for production.cloudflare.docker.com results in a NOERROR response, while a query for its ancestor, cloudflare.docker.com, returns a name error (NXDOMAIN), which indicates that subdomains of cloudflare.docker.com, including production.cloudflare.docker.com, don't exist. See RFC 8020, Sec. 2. (108.162.192.91, 108.162.193.140, 172.64.32.91, 172.64.33.140, 173.245.58.91, 173.245.59.140, 2606:4700:50::adf5:3a5b, 2606:4700:58::adf5:3b8c, 2803:f800:50::6ca2:c05b, 2803:f800:50::6ca2:c18c, 2a06:98c1:50::ac40:205b, 2a06:98c1:50::ac40:218c, UDP_-_EDNS0_4096_D_KN)
production.cloudflare.docker.com/SOA: A query for production.cloudflare.docker.com results in a NOERROR response, while a query for its ancestor, cloudflare.docker.com, returns a name error (NXDOMAIN), which indicates that subdomains of cloudflare.docker.com, including production.cloudflare.docker.com, don't exist. See RFC 8020, Sec. 2. (108.162.192.91, 108.162.193.140, 172.64.32.91, 172.64.33.140, 173.245.58.91, 173.245.59.140, 2606:4700:50::adf5:3a5b, 2606:4700:58::adf5:3b8c, 2803:f800:50::6ca2:c05b, 2803:f800:50::6ca2:c18c, 2a06:98c1:50::ac40:205b, 2a06:98c1:50::ac40:218c, TCP_-_EDNS0_4096_D_N, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
production.cloudflare.docker.com/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
production.cloudflare.docker.com/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
production.cloudflare.docker.com/NSEC3PARAM has errors; select the "Denial of existence" DNSSEC option to see them.
production.cloudflare.docker.com/TXT has errors; select the "Denial of existence" DNSSEC option to see them.
production.cloudflare.docker.com/MX has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (1)
com to docker.com: Authoritative AAAA records exist for ns-207.awsdns-25.com, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.