go
mail.infpe.edu.dz has one IP number , but no corresponding reverse pointer. mail.bea.dz, mail.nic.dz, mail.bkl.dz, mail.kpmg.dz, mail.cash.dz and at least 22 other hosts point to the same IP. infpe.edu.dz is a domain controlled by two nameservers at wissal.dz. They are on different IP networks. Incoming mail for infpe.edu.dz is handled by one mailserver at eldjazair.dz. mail.infpe.edu.dz is hosted on a server in Algeria.

mail.infpe.edu.dz
a records
 
+ 193.194.64.86 193.194.64.0/24 AS3208 dtri.cerist.dz
+ --- dtri.cerist.dz
+ --- mail.eldjazair.dz

infpe.edu.dz
ns-soa records
ns1.wissal.dz
+ 193.194.64.27 193.194.64.0/24 AS3208 -
+ --- -
ns records
ns1.wissal.dz
+ 193.194.64.27 193.194.64.0/24 AS3208 -
+ --- -
ns2.wissal.dz
+   AS?  
+ ---  
mx records
mess.eldjazair.dz
+ 193.194.64.68 193.194.64.0/24 AS3208 -
+ --- -
IP numbers of host
193.194.64.86
PTRs of IP numbers
dtri.cerist.dz
mail.eldjazair.dz
Host names sharing IP with A records
dtri.cerist.dz
mail.alnet.dz
mail.andi.dz
mail.andru.gov.dz
mail.bea.dz
mail.bkl.dz
mail.caar.com.dz
mail.cash.dz
mail.ctcchlef.dz
mail.cu-ghardaia.edu.dz
mail.dgf.org.dz
mail.eldjazair.dz
mail.eldjazair.net.dz
mail.eng-spa.dz
mail.hoteleldjazair.dz
mail.infrarail.dz
mail.kpmg.dz
mail.m-moudjahidine.dz
mail.meducation.edu.dz
mail.musee-bardo.art.dz
mail.musee-tipasa.art.dz
mail.nic.dz
mail.poval.com.dz
mail.terco.dz
mail.univ-emir.dz
mail.univ-skikda.dz
mail.wissal.dz
Domains using this as mail server under another name
art.dz
asso.dz
cv.dz