status checks: check that the non-primary domains also resolve over IPv6, if configured
status checks: check that the non-primary domains also resolve over IPv6, if configured

m4rcs/mailinabox,Neopallium/mailinabox,m4rcs/mailinabox,nstanke/mailinabox,Neopallium/mailinabox,nstanke/mailinabox,choltha/mailinabox,ianberinger/mailinabox,ianberinger/mailinabox,ianberinger/mailinabox,choltha/mailinabox,mail-in-a-box/mailinabox,nstanke/mailinabox,nstanke/mailinabox,d5ve/mailinabox,mail-in-a-box/mailinabox,choltha/mailinabox,nstanke/mailinabox,d5ve/mailinabox,choltha/mailinabox,mail-in-a-box/mailinabox,d5ve/mailinabox,ianberinger/mailinabox,d5ve/mailinabox,d5ve/mailinabox,Neopallium/mailinabox,choltha/mailinabox,m4rcs/mailinabox,Neopallium/mailinabox,ianberinger/mailinabox,m4rcs/mailinabox,m4rcs/mailinabox,Neopallium/mailinabox,mail-in-a-box/mailinabox