nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqu74wwpw5amwguhxdwq2vxf6ypqhfj98c2u0e3uw6hxy6q2v08f4q59wzmu (nprofile…wzmu) I don’t know about now-dns.com, but here’s the documentation about dynamic IP and DNS: https://doc.yunohost.org/en/dns_dynamicip
You can also check our forum, I remember that a few people have shared how to achieve that