dmdc.osd.mil/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (28)
./DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_512_D_KN)
dmdc.osd.mil/DS (alg 8, id 33250): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
dmdc.osd.mil/DS (alg 8, id 33250): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
dmdc.osd.mil/DS (alg 8, id 33250): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
dmdc.osd.mil/DS (alg 8, id 33250): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
dmdc.osd.mil/DS (alg 8, id 36244): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
dmdc.osd.mil/DS (alg 8, id 36244): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
dmdc.osd.mil/DS (alg 8, id 36244): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
dmdc.osd.mil/DS (alg 8, id 36244): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
dmdc.osd.mil/DS (alg 8, id 58354): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
dmdc.osd.mil/DS (alg 8, id 58354): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
dmdc.osd.mil/DS (alg 8, id 58354): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
dmdc.osd.mil/DS (alg 8, id 58354): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
dmdc.osd.mil/DS (alg 8, id 62146): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
dmdc.osd.mil/DS (alg 8, id 62146): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
dmdc.osd.mil/DS (alg 8, id 62146): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
dmdc.osd.mil/DS (alg 8, id 62146): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
mil/DS (alg 8, id 16801): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
mil/DS (alg 8, id 16801): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
osd.mil/DS (alg 8, id 18169): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
osd.mil/DS (alg 8, id 18169): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
osd.mil/DS (alg 8, id 18169): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
osd.mil/DS (alg 8, id 18169): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
osd.mil/DS (alg 8, id 18169): 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. (199.252.143.234, UDP_-_EDNS0_4096_D_KN)
osd.mil/DS (alg 8, id 18169): 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. (199.252.143.234, UDP_-_EDNS0_4096_D_KN)
osd.mil/DS (alg 8, id 18169): 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. (199.252.143.234, UDP_-_EDNS0_4096_D_KN)
osd.mil/DS (alg 8, id 18169): 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. (199.252.143.234, UDP_-_EDNS0_4096_D_KN)
dmdc.osd.mil/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.