c.cbsn.cz

• Delegation
• Authoritative answer
• Related hostnames

Delegation

Authoritative answer

ANSWER for c.cbsn.cz.
c.cbsn.cz.	3600	TXT	"v=spf1 include:cbsmail.cz -all"
	3600	MX	10 mx1.cbsmail.cz.
	3600	MX	100 mx2.cbsmail.cz.
	3600	SOA	ns1.cbsn.cz. root.cbsn.cz. ( 1369255182 3600 900 604800 86400 )
	3600	NS	ns2.cbsn.cz.
	3600	NS	ns3.cbsn.cz.
	3600	NS	ns1.cbsn.cz.

Related hostnames

C.cbsn.cz is a domain controlled by three domain name servers at cbsn.cz having a total of five IP numbers. Two of them are on the same IP network. Incoming mail for c.cbsn.cz is handled by two mail servers at cbsmail.cz. Both are on different IP networks.

Cetel.cz, csobpojistovna.com, gamesplace.cz, pcosicuro.cz, susicky.net and at least 18 other hosts share both name servers and mail servers with this domain. Aas-automotive.cz, zsbrodce.cz, osvita.cz, unilen.cz, dkmb.cz and at least 23 other hosts share name servers with this domain. 2pnet.net, oaza-net.cz, spinning-arena.cz, grent.cz, tvmb.cz and at least 17 other hosts share mail servers with this domain. Mailprofiler193.c.cbsn.cz and nat77.c.cbsn.cz are hosts under this domain. C.kz, c.vg, c.am, c.org, c.co and at least 140 other hosts are similar domain names.

Also check www.cbsn.cz and cbsn.cz.

The name server ns3.cbsn.cz

There are about thirty domains that use the name server ns3.cbsn.cz.

• All of those use the three name servers ns1, ns2 and ns3.cbsn.cz together (example: mhnet.cz, cbsmail.cz and bkkraso.cz ).
• Five of them point to the IP number 2a00:1800:0:ffff::10 (example: cbsn.cz, cbsholding.eu and 2pnet.cz ).

The mail server mx1.cbsmail.cz

Three quarter of the about thirty domains that use the mail server mx1.cbsmail.cz use the two mail servers mx1 and mx2.cbsmail.cz together, hereafter referred to as "mail server group 1", (example: leasetrend.cz, tartarnet.cz and cerberoslb.cz ).

The mail server mx2.cbsmail.cz

A third of the about thirty domains that use the mail server mx2.cbsmail.cz point to the IP number 81.25.16.230 (example: n.cbsn.cz ).

The two mail servers mx1 and mx2.cbsmail.cz together

There are about twenty domains that use mail server group 1.

• Seven of those point only to the IP number 81.25.16.230.
• Five of them point to the two IP numbers 2a00:1800:0:ffff::10 and 81.25.16.230 together.

The name server ns2.cbsn.cz

Seven of the about thirty domains that use the name server ns2.cbsn.cz use the two name servers ns1 and ns2.cbsn.cz together (but not ns3.cbsn.cz ) (example: heliosmb.cz, 18.25.81.in-addr.arpa and 16.25.81.in-addr.arpa ).