decst.cerist.dz has one IP number , which also has a corresponding reverse pointer. dz, id.dz, cv.dz, aec.dz, iap.dz and at least 100 other hosts use this as a nameserver. maouhab.decst.cerist.dz are subdomains to this hostname. cerist.dz is a domain controlled by two nameservers on different IP networks. Incoming mail for cerist.dz is handled by two mailservers at cerist.dz themselves. They are on the same IP network. cerist.dz has one IP number , but the reverse is mail.cerist.dz. decst.cerist.dz is hosted on a server in Algeria.