go
mailfilterenda.tr.net has one IP number , but the reverse is fmx.tr.net.tr. fmx.tr.net.tr, a.mx.cepositive.com and mailfilterenda.tr.net.tr point to the same IP. trnet.com, tr-net.net and tr-net.net.tr use this as a mailserver. tr.net is a domain controlled by two nameservers at tr.net.tr. They are on the same IP network. Incoming mail for tr.net is handled by one mailserver having a total of three IP numbers. All of them are on the same IP network. tr.net has one IP number. mailfilterenda.tr.net is hosted on a server in Turkey.

mailfilterenda.tr.net
a records
 
+ 195.155.1.26 195.155.0.0/18 AS8505 fmx.tr.net.tr
+ --- fmx.tr.net.tr

tr.net
a records
 
+ 195.155.1.11 195.155.0.0/18 AS8505  
+ ---  
ns-soa records
ns1.tr.net.tr
+ 195.155.1.3 195.155.0.0/18 AS8505 -
+ --- -
+ --- sardunya.tr.net
ns records
ns1.tr.net.tr
+ 195.155.1.3 195.155.0.0/18 AS8505 -
+ --- -
+ --- sardunya.tr.net
ns2.tr.net.tr
+ 195.155.11.4 195.155.0.0/18 AS8505  
+ ---  
mx records
fmx.tr.net.tr
+ 195.155.1.26 195.155.0.0/18 AS8505 -
+ --- -
+ 195.155.1.27 195.155.0.0/18 AS8505 mailfilterenda.tr.net.tr
+ --- mailfilterenda.tr.net.tr
+ 195.155.1.32 195.155.0.0/18 AS8505 mailfilterenda.tr.net
+ --- mailfilterenda.tr.net
ip numbers of host
195.155.1.26
ptrs of ip numbers
fmx.tr.net.tr
ip numbers using ptr to this host
195.155.1.32
hostnames sharing ip with a-records
a.mx.cepositive.com
fmx.tr.net.tr
mailfilterenda.tr.net.tr
domains using this as mailserver
tr-net.net
tr-net.net.tr
trnet.com
domains using this as mailserver under another name
akmanboza.com
alberemlak.com
ankara.gov.tr
ankon.com.tr
atakoymarina.com.tr
balonmobilya.com
basinkonseyi.org.tr
beyazoptik.com
btt-int.com
bumakmakina.com
cemilozgur.com
cepositive.com
cer-san.com.tr
dem.com.tr
demo.com.tr
divanhome.com
dsankara.com
edip.com
enigma-ltd.com.tr
erkaraf.com
ertok.com
eser.com.tr
expostone.com
gondor.tr.net
hocampiknik.com
ickimgelsin.com
idcfon.com
imajyayinevi.com
inanirgrup.com
kapadokyagaz.com
karapapak.com
karina.gen.tr
maycotex.com.tr
mordor.tr.net
otantikkumpir.com
otelmobilya.com
ozsiding.com
sisagrup.com
suncaresauna.com
suvariahsap.com
tgs.org.tr
tr.net
tr.net.tr