Hello all, I wonder if anyone can help me to find the cause of the problem I am currently having. All servers are running on Debian and BIND 9.10.3-P4-Debian.
I have a master server and 4 slaves. The zone is transfered from the master [ns1] to all slaves [ns3,ns4,ns5 and ns6]. I am also using TSIG with a different key for each server. Moreover, the zone file refers to the internal view. When I change the myzone.com, I always update the serial and I reload the zone. The problem: ns3 and ns4 never get the updated zone file automatically. On the other hand, ns4 and ns5 always get the updated zone file immediately. If I initialize the transfer manually from ns3 and ns4, I get no errors. Here is the config: NS1 config: (IP 1.1.1.1 - master DNS) zone "myzone.com" { type master; file "/etc/bind/master/myzone.com.INSIDE"; allow-transfer { key ns1ns3_key; key ns1ns4_key; key ns1ns5_key; key ns1ns6_key; }; also-notify { 3.3.3.3 port 53 key ns1ns3_key; 4.4.4.4 port 53 key ns1ns4_key; 5.5.5.5 port 53 key ns1ns5_key; 6.6.6.6 port 53 key ns1ns6_key; }; notify explicit; notify-source 1.1.1.1 ; }; NS3 config: (IP 3.3.3.3 - transfer fails) zone " myzone .com" { file "/etc/bind/master/myzone.com.INSIDE"; type slave; allow-update { key ns1ns3_key; }; masters { 1.1.1.1; }; allow-notify { 1.1.1.1; }; notify yes; request-ixfr no; }; NS5 config: (IP 5.5.5.5, successful transfer) zone "myzone.com" { file "/etc/bind/master/myzone.com.INSIDE"; type slave; allow-update { key ns1ns5_key; }; masters { 1.1.1.1; }; notify yes; request-ixfr no; }; Do you see any errors in the above configuration that could cause this problem? Best Regards
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