uu.nl/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
y4lc1v5dpe.uu.nl/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (4)
nl to uu.nl: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the nl zone): ns1.zurich.surf.net, azie.net.uu.nl, australie.net.uu.nl See RFC 1034, Sec. 4.2.2.
nl to uu.nl: The following NS name(s) were found in the delegation NS RRset (i.e., in the nl zone), but not in the authoritative NS RRset: ns.uu.nl, ns2.uu.nl See RFC 1034, Sec. 4.2.2.
uu.nl/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
y4lc1v5dpe.uu.nl/A has warnings; select the "Denial of existence" DNSSEC option to see them.