We do not allow adding or editing DNS records for NS or SOA, as those are self-managed by the HonestHosting platform.
In order to add Records, click on Create Record:

Assuming we are creating a record foobar123.localdev.honesthosting.io that will resolve to the IP Addresses
127.0.0.1, 127.0.0.2, 127.0.0.3 using an A record, this is what it should look like:

After saving the Record, it will show up in your list of Records for the Domain.
