ch zone: The server(s) were not responsive to queries over UDP. (2620:7d:e000::28)
cloudfront.net to d9s8vru4m2rpq.cloudfront.net: The server(s) for the parent zone (cloudfront.net) responded with a referral instead of answering authoritatively for the DS RR type. (220.127.116.11, 18.104.22.168, 22.214.171.124, 126.96.36.199, 2600:9000:5301:a200::1, 2600:9000:5302:9a00::1, 2600:9000:5305:1a00::1, 2600:9000:5306:3d00::1, UDP_-_EDNS0_4096_D_K)
ch to admin.ch: Authoritative AAAA records exist for ins3.admin.ch, but there are no corresponding AAAA glue records.
net to cloudfront.net: Authoritative AAAA records exist for ns-666.awsdns-19.net, but there are no corresponding AAAA glue records.