Secondary DNS: Difference between revisions

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 You need to configure your Authoritative Primary DNS to:
-# Set your Primary DNS to send NOTIFY to <code>secondary-dns.co.uk</code>,
+# Set your Primary DNS to send NOTIFY to <code>secondary-dns.co.uk</code>.  Required for your Primary DNS to notify A&A's Secondary that you've changed or reloaded your domain files.
-# Allow <code>*.secondary-dns.co.uk</code>; & <code>*-nameless.aa.net.uk</code>; & <code>*.primary-dns.co.uk</code>; to send queries to your Primary DNS,
+# Allow <code>*.secondary-dns.co.uk</code>; & <code>*-nameless.aa.net.uk</code>; & <code>*.primary-dns.co.uk</code>; to request AXFR/IXFR zone transfers from your Primary DNS.  Required to allow A&A's secondary DNS to copy your domains from your Primary DNS.
-# Allow <code>*.secondary-dns.co.uk</code>; & <code>*-nameless.aa.net.uk</code>; & <code>*.primary-dns.co.uk</code>; to request AXFR/IXFR zone transfers from your Primary DNS.
+# Allow <code>*.secondary-dns.co.uk</code>; & <code>*-nameless.aa.net.uk</code>; & <code>*.primary-dns.co.uk</code>; to send queries to your Primary DNS.  Required as some of A&A's secondaries send regular SOA query requests, to check the Serial. Also helpful if Support needs to query your Primary DNS.
 ==IP addresses required for Firewall and Primary DNS ACLs==