reulitz.de/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (4)
./DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:1::53, UDP_-_EDNS0_512_D_KN)
de/DS (alg 8, id 26755): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (198.97.190.53, 2001:500:1::53, UDP_-_EDNS0_4096_D_KN)
de/DS (alg 8, id 26755): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (198.97.190.53, 2001:500:1::53, UDP_-_EDNS0_4096_D_KN)
reulitz.de/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.