example.com/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (7)
akamai.net to dscr.akamai.net: The glue address(es) for n2dscr.akamai.net (23.213.135.15, 184.87.196.91) differed from its authoritative address(es) (23.213.135.15). See RFC 1034, Sec. 4.2.2.
akamai.net to dscr.akamai.net: The glue address(es) for n6dscr.akamai.net (23.213.135.15, 184.87.196.91) differed from its authoritative address(es) (184.87.196.91). See RFC 1034, Sec. 4.2.2.
net to akamai.net: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the net zone): a5-193.akamaitech.net, zb.akamaitech.net, a1-193.akamaitech.net, a12-193.akamaitech.net, a3-193.akamaitech.net, ns5-193.akamaitech.net, ns2-193.akamaitech.net, a6-193.akamaitech.net, a22-193.akamaitech.net See RFC 1034, Sec. 4.2.2.
net to akamai.net: The following NS name(s) were found in the delegation NS RRset (i.e., in the net zone), but not in the authoritative NS RRset: ns1-1.akamaitech.net, ze.akamaitech.net, zg.akamaitech.net, zh.akamaitech.net See RFC 1034, Sec. 4.2.2.
net to edgesuite.net: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the net zone): a5-64.akam.net, a11-64.akam.net, adns3.akam.net, ns1-2.akam.net, a13-64.akam.net, usw6.akam.net, a3-64.akam.net, a9-64.akam.net See RFC 1034, Sec. 4.2.2.
net to edgesuite.net: The following NS name(s) were found in the delegation NS RRset (i.e., in the net zone), but not in the authoritative NS RRset: a1-2.akam.net, a14-67.akam.net, a9-65.akam.net See RFC 1034, Sec. 4.2.2.
example.com/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.