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expressweb.pl is delegated to two nameservers, however both delegated nameservers are missing in the zone and two other nameservers are listed instead. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for expressweb.pl is handled by one mailserver at netcentrica.pl. expressweb.pl has one IP number. netcentrica.pl point to the same IP and also shares nameservers. s7.netcentrica.pl, ns1.expressweb.pl and ns1.netcentrica.pl point to the same IP. extravoip.pl and poezje.com.pl use this as a mailserver. extravoip.pl and poezje.com.pl share nameservers with this domain. s7.expressweb.pl, www.expressweb.pl, ns1.expressweb.pl, ns2.expressweb.pl, mail.expressweb.pl and at least one other host are subdomains to this hostname. expressweb.pl is hosted on a server in Poland.

expressweb.pl
a records
 
+ 79.133.193.91 79.133.192.0/19 AS20853  
+ ---  
ns-soa records
ns1.expressweb.pl
+ 79.133.193.91 79.133.192.0/19 AS20853  
+ ---  
ns records
ns1.expressweb.pl
+ 79.133.193.91 79.133.192.0/19 AS20853  
+ ---  
ns2.expressweb.pl
+ 79.133.193.92 79.133.192.0/19 AS20853 ip-79-133-193-92.netcentrica.pl
+ --- ip-79-133-193-92.netcentrica.pl
ns1.netcentrica.pl
+ 79.133.193.91 79.133.192.0/19 AS20853  
+ ---  
ns2.netcentrica.pl
+ 79.133.193.92 79.133.192.0/19 AS20853 ip-79-133-193-92.netcentrica.pl
+ --- ip-79-133-193-92.netcentrica.pl
mx records
s7.netcentrica.pl
+ 79.133.193.91 79.133.192.0/19 AS20853  
+ ---  

pl
ns-soa records
a-dns.pl
+ 195.187.245.44 195.187.128.0/17 AS8308 -
+ --- -
ns records
h-dns.pl
+ 194.0.1.2 194.0.1.0/24 AS42909 -
+ --- -
a-dns.pl
+ 195.187.245.44 195.187.128.0/17 AS8308 -
b-dns.pl
+ 80.50.50.10 80.48.0.0/13 AS5617 -
c-dns.pl
+ 195.47.235.226 195.47.235.0/24 AS6881 -
d-dns.pl
+ 213.172.174.70 213.172.160.0/19 AS20804 -
f-dns.pl
+ 217.17.46.189 217.17.32.0/20 AS15694 -
g-dns.pl
+ 149.156.1.6 149.156.0.0/16 AS8267 -
i-dns.pl
+ 156.154.100.15 156.154.100.0/24 AS12008 -
ip numbers of host
79.133.193.91
hostnames sharing ip with a-records
netcentrica.pl
ns1.expressweb.pl
ns1.netcentrica.pl
s7.netcentrica.pl
domains using this as nameserver under another name
expressweb.pl
extravoip.pl
poezje.com.pl
domains using this as mailserver
extravoip.pl
poezje.com.pl
domains using this as mailserver under another name
expressweb.pl
extravoip.pl
netcentrica.pl
nameservers used by this domain
ns1.expressweb.pl
ns1.netcentrica.pl
ns2.expressweb.pl
ns2.netcentrica.pl
domains sharing nameservers
extravoip.pl
netcentrica.pl
poezje.com.pl
ip numbers of nameservers
79.133.193.91
79.133.193.92
reverse names of the nameservers
ip-79-133-193-92.netcentrica.pl
other names of the nameservers
expressweb.pl
netcentrica.pl
s7.netcentrica.pl
mailservers used by this domain
s7.netcentrica.pl
ip numbers of mailservers
79.133.193.91
other names of the mailservers
expressweb.pl
netcentrica.pl
ns1.expressweb.pl
ns1.netcentrica.pl
domains sharing mailservers under another name
extravoip.pl
netcentrica.pl
poezje.com.pl
subdomains
mail.expressweb.pl
ns1.expressweb.pl
ns2.expressweb.pl
s7-eth0.expressweb.pl
s7.expressweb.pl
www.expressweb.pl
nameservers missing in parent delegation
ns1.expressweb.pl
ns2.expressweb.pl
nameservers missing in zone
ns1.netcentrica.pl
ns2.netcentrica.pl