To successfull:
1. Don't set redirect domain (non-www, www, webmail and cp) like redirect http to https
2. All address must be access successfully for non-www, www, webmail and cp
3. It's must 'A record' or CNAME for non-www, www, webmail and cp
4. All 'NS record' must be response for dns query
Check dns record via intodns.com.