I have ISP 3.1.5, Ubuntu 16.04, BIND 9.10.3-P4-Ubuntu. With ISP I installed bind9 as name server. In panel I created domain which is nicely visible on the Internet. Problem is that nslookup tool says that this name server for this domain is non-authoritative: Code: Non-authoritative answer: Name: example.com Address: address_of_my_server How to make my own name server authoritative for domains/sites which are created under ISP? I have found some tutorial https://www.digitalocean.com/commun...authoritative-only-dns-server-on-ubuntu-14-04 but there are some manually added modifications in bind config through linux shell. I am not sure I should modify something manually in this. PS I need to make my name server authoritative, because currently I can't transfer zones to my another name server using allow-transfer. Setting in ISP -> specific dns zone -> DNS Zone -> Allow zone transfers to these IPs (comma separated list) is not working. Tool on Intodns.com shows