Checkmk Werk 10823: check_dns: Fixed query if multiple expected addresses are configured

ID: 10823 Title: check_dns: Fixed query if multiple expected addresses are configured Component: Checks & agents Level: 1 Class: Bug fix Version: 1.7.0i1 The active check {{check_dns}} returned the error message {{DNS CRITICAL - expected 'A; B; ...' but got 'A,B,...'}} if multiple expected addresses are configured. Fixed that.