How can create Sub/Child domain using Parent Domain

u only can use from primary website for the dns look into it… you will find login5.blbalbla IN A yourip

@MyIDKaTePe Here are already added A records. PFA

Please advise.

dude… to solve your problem is not enough 1 solution

ok check list what you already did

not use clourflare ?
check dns
from file,manager create file abcde.html
call from igconiqto mode browser
check your htaccess