cwb.cz - robtex.com

cwb.cz

DNSSEC⚠️ Not signed
A167.235.106.78🇩🇪 Hetzner167.235.0.0/16 HETZNER-DC
PTRstatic.78.106.235.167.clients.your-server.de
NSdns10.ovh.net ⭐
A2001:41d0:d00:6100::2🇫🇷 OVH2001:41d0::/32 IPv6
PTRdns10.ovh.net
A5.135.85.109🇫🇷 OVH5.135.0.0/16
PTRdns10.ovh.net
NSns10.ovh.net
A2001:41d0:b00:3a00::2🇫🇷 OVH2001:41d0::/32 IPv6
PTRns10.ovh.net
A5.39.20.253🇫🇷 OVH5.39.0.0/17 ISP Paris, France
PTRns10.ovh.net
MXmx1.mail.ovh.net ⭐
A188.165.36.237🇫🇷 OVH188.165.0.0/16 ISP Paris, France
PTRmx1.mail.ovh.net
MXmx2.mail.ovh.net(5)
A87.98.160.167🇫🇷 OVH87.98.128.0/17 ISP Paris, France
PTRmx2.mail.ovh.net
MXmx3.mail.ovh.net(100)
A91.121.53.175🇫🇷 OVH91.121.0.0/16 ISP Paris, France
PTRmx3.mail.ovh.net
TXT1|www.cwb.cz
TXTv=spf1 include:mx.ovh.com -all
SOAdns10.ovh.nettech@ovh.net 2025-09-24 #4

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1776178035

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DNS History

11 records (6 active, 5 former)

2017201820192020202120222023202420252026NSdns10.ovh.netns10.ovh.netns1.ignum.comns2.ignum.czMXmx1.mail.ovh.netmx2.mail.ovh.netmx3.mail.ovh.netmail12.ignum.czmail2.ignum.czA167.235.106.78217.31.49.20
●NSdns10.ovh.net2026-04-07 → 2026-04-14 · 3 obs
○ 2020-10-19 08:58:38
● 2026-04-07 13:14:28
● 2026-04-14 15:43:32
○NSns1.ignum.com2016-07-18 → 2020-10-19 · 4 obs
● 2016-07-18 21:40:02
● 2020-10-19 08:58:38
○ 2026-04-07 13:14:28
○ 2026-04-14 15:43:32
●NSns10.ovh.net2026-04-07 → 2026-04-14 · 3 obs
○ 2020-10-19 08:58:38
● 2026-04-07 13:14:28
● 2026-04-14 15:43:32
○NSns2.ignum.cz2016-07-18 → 2020-10-19 · 4 obs
● 2016-07-18 21:40:02
● 2020-10-19 08:58:38
○ 2026-04-07 13:14:28
○ 2026-04-14 15:43:32
○MXmail12.ignum.cz2016-07-18 → 2020-10-19 · 4 obs
● 2016-07-18 21:40:02
● 2020-10-19 08:58:38
○ 2026-04-07 13:14:28
○ 2026-04-14 15:43:32
○MXmail2.ignum.cz2016-07-18 → 2020-10-19 · 4 obs
● 2016-07-18 21:40:02
● 2020-10-19 08:58:38
○ 2026-04-07 13:14:28
○ 2026-04-14 15:43:32
●MXmx1.mail.ovh.net2026-04-07 → 2026-04-14 · 3 obs
○ 2020-10-19 08:58:38
● 2026-04-07 13:14:28
● 2026-04-14 15:43:32
●MXmx2.mail.ovh.net2026-04-07 → 2026-04-14 · 3 obs
○ 2020-10-19 08:58:38
● 2026-04-07 13:14:28
● 2026-04-14 15:43:32
●MXmx3.mail.ovh.net2026-04-07 → 2026-04-14 · 3 obs
○ 2020-10-19 08:58:38
● 2026-04-07 13:14:28
● 2026-04-14 15:43:32
●A167.235.106.782026-04-07 → 2026-04-14 · 3 obs
○ 2020-10-19 08:58:38
● 2026-04-07 13:14:28
● 2026-04-14 15:43:32
○A217.31.49.202016-07-18 → 2020-10-19 · 4 obs
● 2016-07-18 21:40:02
● 2020-10-19 08:58:38
○ 2026-04-07 13:14:28
○ 2026-04-14 15:43:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
cwb.czns10.ovh.net, dns10.ovh.net-

✅ Authoritative Response

Server:5.135.85.109

NS records: ns10.ovh.net, dns10.ovh.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cwb.cz (unsigned zone)

⏱️ Timing

Total: 1272ms | Queries: -

📄 Records

TypeCountSample Data
A1167.235.106.78
NS2ns10.ovh.net, dns10.ovh.net
MX3mx2.mail.ovh.net (pri: 5), mx3.mail.ovh.net (pri: 100)...
TXT2v=spf1 include:mx.ovh.com -all, 1|www.cwb.cz
SOA1dns10.ovh.net tech.ovh.net

Analysis

IP Addresses

cwb.cz resolves to one IP number: 167.235.106.78.

Other host names, for instance latitudesport.be, share IP numbers with cwb.cz.

Name Servers

cwb.cz is delegated to two name servers dns10.ovh.net and ns10.ovh.net.

cwb.cz shares the same name server setup as other domains, for instance vente-privee-design.net, fleuves-du-monde.com, iso-prof.pro, sisw.be and federation-francaise-du-natha-yoga.com.

Host names with two IP numbers:

The host name dns10.ovh.net points to 2001:41d0:d00:6100::2 and 5.135.85.109; the host name ns10.ovh.net points to 2001:41d0:b00:3a00::2 and 5.39.20.253.

Mail Servers

cwb.cz is handled by three mail servers: mx1.mail.ovh.net, mx2.mail.ovh.net and mx3.mail.ovh.net.

cwb.cz shares some mail servers with other domains, at least partially, for instance yaoteq.it, educavision.es, pharmanity.org, agnmsm.biz and quotidianopiemontese.it.

These mail servers are commonly used alongside mx4.mail.ovh.net and mx0.mail.ovh.net.

Host names with one IP number: mx1.mail.ovh.net points to 188.165.36.237; mx2.mail.ovh.net points to 87.98.160.167; mx3.mail.ovh.net points to 91.121.53.175.