ip2yxw8d7h.utwente.nl/A has errors; select the "Denial of existence" DNSSEC option to see them.
utwente.nl/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (4)
./DNSKEY (alg 8, id 14748): No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. See RFC 6891, Sec. 6.2.6. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
./DNSKEY (alg 8, id 20326): No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. See RFC 6891, Sec. 6.2.6. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
ip2yxw8d7h.utwente.nl/A has warnings; select the "Denial of existence" DNSSEC option to see them.
utwente.nl/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.