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Incoming mail for a.open.by is handled by one mailserver at open.by. a.open.by has one IP number , which also has a corresponding reverse pointer. ns1.open.by, admin.open.by and mail.greenexpo.by point to the same IP. tld.by, mail.by, minsk.by, a.open.by, rabota.by and at least three other hosts use this as a mailserver. tld.by, mail.by, minsk.by, rabota.by, easypay.by and at least two other hosts share mailservers with this domain. 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. a.open.by is hosted on a server in Belarus.

a.open.by
a records
 
+ 193.232.92.1 193.232.92.0/24 AS12406 -
+ --- -
mx records
a.open.by
+ 193.232.92.1 193.232.92.0/24 AS12406 -
+ --- -

open.by
a records
 
+ 193.232.92.14 193.232.92.0/24 AS12406  
+ ---  
ns-soa records
ns1.open.by
+ 193.232.92.1 193.232.92.0/24 AS12406 a.open.by
+ --- a.open.by
ns records
ns.spb.ru
+ 193.124.83.69 193.124.83.0/24 AS2118 -
+ --- -
ns.ru.net
+ 193.124.22.65 193.124.0.0/15 AS2118 -
ns1.open.by
+ 193.232.92.1 193.232.92.0/24 AS12406 a.open.by
+ --- a.open.by
ns2.open.by
+ 193.232.92.2 193.232.92.0/24 AS12406 d.open.by
+ --- d.open.by
mx records
i.open.by
+ 193.232.92.5 193.232.92.0/24 AS12406 -
+ --- -
ip numbers of host
193.232.92.1
ptrs of ip numbers
a.open.by
ip numbers using ptr to this host
193.232.92.1
hostnames sharing ip with a-records
admin.open.by
mail.greenexpo.by
ns1.open.by
domains using this as nameserver under another name
3s.by
92.232.193.in-addr.arpa
advertmedia.by
agro.by
all.by
ats.by
avto.by
b2b.by
belarus.by
bgpb.by
chat.by
com.by
elfik.by
etorg.by
export.by
fidnov.by
fotki.by
gammatest.by
gjk.by
gka.by
icetrade.by
intim.by
jvl.by
mail.by
mas.by
minsk.by
myfish.by
nalog.by
nbrb.by
net.by
nicwto.by
ntts.minsk.by
open.by
park.by
phone.by
shop.by
threes.by
tld.by
tp.by
uks.by
domains using this as mailserver
a.open.by
easypay.by
mail.by
minsk.by
ok.minsk.by
rabota.by
scsi.gov.by
tld.by
domains using this as mailserver under another name
greenexpo.by
mailservers used by this domain
a.open.by
domains sharing mailservers
easypay.by
mail.by
minsk.by
ok.minsk.by
rabota.by
scsi.gov.by
tld.by
ip numbers of mailservers
193.232.92.1
reverse names of the mailservers
a.open.by
other names of the mailservers
admin.open.by
mail.greenexpo.by
ns1.open.by
domains sharing mailservers under another name
greenexpo.by