se zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2001:6b0:e:3::1)
Warnings (3)
zash.se/DS (alg 13, id 45778): 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. (192.36.135.107, UDP_-_EDNS0_4096_D_KN)
zash.se/DS (alg 13, id 45778): 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. (192.36.135.107, UDP_-_EDNS0_4096_D_KN)
zash.se/DS has warnings; select the "Denial of existence" DNSSEC option to see them.