ac.uk/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
r5c0jpdfmo.ac.uk/A has errors; select the "Denial of existence" DNSSEC option to see them.
ac.uk/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
ac.uk/A has errors; select the "Denial of existence" DNSSEC option to see them.
ac.uk/TXT has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
./DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_512_D_KN)
uk/DS (alg 8, id 43876): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_4096_D_KN)
uk/DS (alg 8, id 43876): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_4096_D_KN)