sk.o2.com

• Delegation
• Authoritative answer
• Related hostnames

Delegation

Authoritative answer

ANSWER for sk.o2.com.
sk.o2.com.	86400	SOA	dns.iol.cz. hostmaster.iol.cz. ( 2013041000 900 3600 5184000 86400 )
	86400	MX	10 smtp-in.iol.cz.
	86400	MX	20 smtp-in2.iol.cz.
	86400	NS	ns2.tel.cz.
	86400	NS	dns.iol.cz.
	86400	TXT	"v=spf1 include:eportalspf.smtp.com ?all"
	86400	A	160.218.161.66
ADDITIONAL for sk.o2.com.
smtp-in.iol.cz.	300	A	194.228.2.70
smtp-in2.iol.cz.	300	A	194.228.2.85
dns.iol.cz.	300	A	194.228.2.61
ns2.tel.cz.	86400	A	194.228.2.1

Related hostnames

Www.sk.o2.com point to the same IP. Fronius.cz, cheerleaders.cz, webhoster.cz, pctranslator.cz, o2-telefonicask.cz and at least 195 other hosts share name servers with this domain. Cyklohobby.cz, kotle.cz, telefonica-o2.cz, hokejtv.cz, she-stylezone.cz and at least 194 other hosts share mail servers with this domain. Ns2.sk.o2.com, 0.sk.o2.com, nastavenia.sk.o2.com, mms.sk.o2.com, 11.sk.o2.com and at least two other hosts are hosts under this domain. Sk.no, sk.dk, sk.cx, sk.vc, sk.la and at least 30 other hosts are similar domain names.

Also check www.o2.com and o2.com.

The name server dns.iol.cz

There are more than two thousand domains that use the name server dns.iol.cz.

• Most of those use the two name servers dns.iol.cz and ns2.tel.cz together, hereafter referred to as "name server group 1", (example: 163.102.88.in-addr.arpa, atlantik-is.com and 15.161.85.in-addr.arpa ).
• A third of them use the two mail servers smtp-in and smtp-in2.iol.cz together, hereafter referred to as "mail server group 1", (example: innelnc.cz, stkblovice.cz and zahradnijezirka.com ).
• Two percent of them point only to the IP number 160.218.160.113 (example: neono2.cz, o2karta.cz and telefonikao2cr.cz ).
• One percent of them use the two mail servers smtp-in1 and smtp-in2.o2mail.cz together, hereafter referred to as "mail server group 2", (example: dekratransport.com and elmontex.cz ).

The name server ns2.tel.cz

There are more than two thousand domains that use the name server ns2.tel.cz.

• Three quarter of those use name server group 1 (example: 47.188.80.in-addr.arpa, gematex.cz and vondruska.net ).
• One quarter of them use mail server group 1 (example: viamontcargo.cz, elgocz.cz and o2telefonica-sk.com ).
• One percent of them use the three name servers dns.cssz.cz, dns2.cssz.cz and ns2.tel.cz together (example: e-podani.cz and socialni-pojistovna.cz ).
• One percent of them point only to the IP number 160.218.160.113 (example: zvladneteto.cz and telefonika-o2-cr.cz ).

The mail server smtp-in.iol.cz

There are almost a thousands domains that use the mail server smtp-in.iol.cz.

• Three quarter of those use name server group 1 (example: slouka.net, hostomsky.cz and myportal.cz ).
• Three quarter of them use mail server group 1 (example: hq.iol.cz, o2vyhody.cz and teotour.cz ).
• Four percent of them point only to the IP number 160.218.160.113 (example: telecom.cz, internetexpreso2.cz and go2o2.cz ).
• Three percent of them use the two mail servers relay and smtp-in.iol.cz together (example: facilityservices.cz, altrotec.cz and tvrdohlavi.cz ).

The two mail servers smtp-in and smtp-in2.iol.cz together

There are several hundred of domains that use mail server group 1.

• Most of those use name server group 1 (example: kutzer.cz, mgart.cz and weber-mlyn.cz ). Worth noting is that one quarter of the domains that use name server group 1 use mail server group 1.
• Five percent of them point only to the IP number 160.218.160.113.
• Three percent of them point only to the IP number 194.228.110.30 (example: easylink.sk ).

The mail server smtp-in2.iol.cz

There are several hundred of domains that use the mail server smtp-in2.iol.cz.

• Most of those use name server group 1 (example: koupelny-ptacek.cz, kva.cz and katr.biz ).
• Most of them use mail server group 1 (example: sklocement.cz, neo-02.cz and euroarwis.net ).

The two name servers dns.iol.cz and ns2.tel.cz together

There are more than two thousand domains that use name server group 1.

• One quarter of those use mail server group 1 (example: avend.net, vycvikpsa.cz and barcco.cz ). Worth noting is that three quarter of the domains that use mail server group 1 use name server group 1.
• Two percent of them point only to the IP number 160.218.160.113.
• Two percent of them use mail server group 2.
• Two percent of them use only the mail server mxavas.forpsi.com (example: aximamorava.cz and haso.cz ).