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bec.cz is a domain controlled by two nameservers at nextra.cz. They are on the same IP network. Incoming mail for bec.cz is handled by two mailservers at prsb.cz having a total of three IP numbers. Some of them are on the same IP network. t.cz, vf.sk, vf.cz, ti.cz, ica.cz and at least 100 other hosts share nameservers with this domain. vf.sk, ndm.cz, vkk.cz, c2p.cz, lcs.cz and at least 100 other hosts share mailservers with this domain. mail.bec.cz are subdomains to this hostname.

bec.cz
ns records
sns.nextra.cz
+ 193.85.2.117 193.85.0.0/16 AS2819 -
+ --- -
dns.nextra.cz
+ 193.85.1.117 193.85.0.0/16 AS2819  
+ ---  
mx records
etrn.nextra.cz
+ 195.70.130.106 195.70.128.0/19 AS2819 -
+ --- -
+ --- mailx.terminal.cz
+ --- mail2.pvt.net
+ --- mailx.nextra.cz
+ --- mailx.ti.cz
+ --- mail3.pvt.net
+ 195.70.130.107 195.70.128.0/19 AS2819 -
+ --- -
+ --- mailx.terminal.cz
+ --- mailx.nextra.cz
+ --- mailx.ti.cz
mail.prsb.cz
+ 62.168.39.154 62.168.0.0/18 AS2819 mail.bec.cz
+ --- mail.bec.cz
+ --- -

cz
ns records
a.ns.nic.cz
+ 217.31.205.180 217.31.204.0/22 AS25192 -
b.ns.nic.cz
+ 217.31.205.188 217.31.204.0/22 AS25192 -
c.ns.nic.cz
+ 195.66.241.202 195.66.224.0/19 AS5459 -
+ --- nsl.tld.cz
d.ns.nic.cz
+ 193.29.206.1 193.29.206.0/24 AS25192 -
+ --- -
e.ns.nic.cz
+ 194.146.105.38 194.146.105.0/24 AS8674 hsrp-dnsflow.sth.nic.cz
+ --- hsrp-dnsflow.sth.nic.cz
f.ns.nic.cz
+ 193.171.255.48 193.170.0.0/15 AS1853 -
+ --- -
domains sharing mailservers
5pagency.cz
akela.cz
astrohk.cz
asw.cz
avast.com
aviko.cz
avionet.cz
avis.cz
avivazp.cz
berit.cz
(only showing 10 results)
domains sharing nameservers
0.141.62.in-addr.arpa
0.47.195.in-addr.arpa
103.149.194.in-addr.arpa
106.47.195.in-addr.arpa
116.47.195.in-addr.arpa
125.144.195.in-addr.arpa
128.210.213.in-addr.arpa
13.47.195.in-addr.arpa
130.70.195.in-addr.arpa
132.70.195.in-addr.arpa
(only showing 10 results)
subdomains
mail.bec.cz