Summary
nathalia.gransy.com has one IP number , which is the same as for
gransy.com.
nathalia.gransy.com also has a corresponding reverse pointer.
mail.eo.cz,
gransy.com,
mail.er.cz,
mail.hy.cz,
mail.717.cz and at least 100 other hosts point to the same IP.
132.187.89.in-addr.arpa use this as a nameserver.
pcls.cz,
ddkl.cz,
rajda.cz,
demago.cz,
howdoyoumanage.cz and at least one other host use this as a mailserver.
gransy.com is delegated to three nameservers, however one delegated nameserver is missing in the zone. All nameservers are at
gransy.com themselves. All of them are on different IP networks. Incoming mail for
gransy.com is handled by one mailserver also at
gransy.com.
nathalia.gransy.com is hosted on a server in Czech Republic.