Reading recent post
I come across link to How to Setting up Secondary DNS for Mail-in-a-Box
As I already have account with HE.net I wanted to set up the secondary nameserver with them.
(not that I have had a problems with my MIAB, but as backup - Just in case).
So I have so far tried:
I have changed in my MIAB/admin
System → Custom DNS → Using a secondary nameserver to ns3.he.net
And then in Hurricane Electric Free DNS Management → Zone Functions → Add a new domain → domain.name (without box.domain.name)
As per instructions (Please enter the domain name in the space provided. For rDNS associated with this account, please use the rDNS options located below or enter the fully qualified in-addr.arpa/ip6.arpa zone below.)
I have then clicked on “Edit zone” or the “domain.name” and deleted all other ns servers (ns1, ns2, ns4, n5) and only left ns3.
In my Gandi.net → Nameservers → External nameservers → added “ns3.he.net”
and the same for my second MIAB server running via VDSL2+ ISP but domain with OVH
OVH.com → Domain → DNS servers → added ns3.he.net
But my System Status Checks page in MIAB still reports for all the domains on both MIAB servers:
"Secondary nameserver ns3.he.net is not configured to resolve this domain."
Anyone any idea where I have gone wrong?