Incoming mail for b.open.by is handled by one mailserver at open.by. b.open.by has one IP number , which also has a corresponding reverse pointer. ahova.open.by and school-41.open.by cnames to this hostname. ok.by, tp.by, uaz.by, job.by, spa.by and at least 28 other hosts point to the same IP. open.by is a domain controlled by four nameservers. Two of them are on the same IP network. Incoming mail for open.by is handled by one mailserver also at open.by. open.by has one IP number. b.open.by is hosted on a server in Belarus.