i have 2 droplet, 1 domain + cloudflare, 1 loadbalancer
Droplet A with IP 111.111.111.111
Droplet B with IP 222.222.222.222
Loadbalancer with IP 333.333.333.333
Domain name abc.com

when i acces my domain abc.com i always get error 404, but if i point the domain to my droplet, i can access it without any error. am i missing something?

here is what i do.

Part 1 => Result in 404 (i turn off droplet B)
abc.com => A 333.333.333.333
WHN in droplet A setting => current address of abc.com 111.111.111.111

Part 2 => Result in 404 (i turn off droplet B)
abc.com => A 333.333.333.333
WHN in droplet A setting => current address of abc.com 333.333.333.333

Part 3 => Result in 200 OK (i turn off droplet B and ofc i didn’t use LB)
abc.com => A 111.111.111.111
WHN in droplet A setting => current address of abc.com 111.111.111.111

Part 4 => Result in 404 OK (i turn off droplet B and ofc i didn’t use LB)
abc.com => A 111.111.111.111
WHN in droplet A setting => current address of abc.com 333.333.333.333

i’ve tried many setting, but still don’t know what is the cause.
please help, thx