BIND DNS HA Cluster - Verification
Validation Results
| Test | Result | Evidence |
|---|---|---|
Forward DNS lookup |
PASS |
|
Reverse DNS lookup |
PASS |
|
Zone transfer |
PASS |
bind-02 received zone from bind-01 |
nsupdate dynamic update |
PASS |
A record added successfully |
VyOS forwarding |
PASS |
DHCP clients resolve via VyOS → BIND |
Failover test |
PASS |
bind-01 down, bind-02 continues serving |
Deployment Verification Checklist
| Check | Status |
|---|---|
bind-01 VM created and accessible via SSH |
[x] |
bind-02 VM created and accessible via SSH |
[x] |
named.conf configured with zone files |
[x] |
RNDC key generated and distributed |
[x] |
Firewalld rules for DNS (port 53) |
[x] |
Forward DNS lookup resolves correctly |
[x] |
Reverse DNS lookup resolves correctly |
[x] |
Zone transfer from bind-01 to bind-02 |
[x] |
nsupdate dynamic update working |
[x] |
VyOS DNS forwarding configured |
[x] |
Failover tested (bind-01 down) |
[x] |