customer2.fangfree.com zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (164.92.112.207)
customer2.fangfree.com zone: There was an error resolving the following NS name(s) to address(es): ns2.customer2.fangfree.com
fangfree.com to customer2.fangfree.com: No delegation NS records were detected in the parent zone (fangfree.com). This results in an NXDOMAIN response to a DS query (for DNSSEC), even if the parent servers are authoritative for the child. See RFC 1034, Sec. 4.2.2. (5.161.57.22, UDP_-_EDNS0_4096_D_KN)