dyndns.org has no AAAA records.
Apex domains cannot have CNAME records.
Google
Domain verification
google-site-verification=UWnXWHTrfdlQVC_ZvTHKHVYelA-168TLmC9pMNiUul8
Microsoft
Domain verification
MS=ms28076190
5tj7cgqkytlvvtkzdry8q8j9d8fctdpg
ns1.p201.dns.oraclecloud.net
Oracle Cloud
ns2.p201.dns.oraclecloud.net
Oracle Cloud
ns3.p201.dns.oraclecloud.net
Oracle Cloud
ns4.p201.dns.oraclecloud.net
Oracle Cloud
Zone apex
Start of authority
Email
Serial
2367683888
Refresh
10m
Retry
5m
Expire
7d
Negative cache TTL
10m