cdh.cz - robtex.com

cdh.cz

DNSSEC🔒 Signed (DS record present)
A89.221.213.82🇨🇿 WEDOS89.221.208.0/20 Internet, a.s.
PTRhc1-wd81.wedos.net
NSleo.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cf1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleo.ns.cloudflare.com
A2803:f800:50::6ca2:c3f1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleo.ns.cloudflare.com
A2a06:98c1:50::ac40:23f1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRleo.ns.cloudflare.com
A108.162.195.241🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleo.ns.cloudflare.com
A162.159.44.241Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleo.ns.cloudflare.com
A172.64.35.241🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleo.ns.cloudflare.com
NSmaxine.ns.cloudflare.com
A2606:4700:50::a29f:26b3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaxine.ns.cloudflare.com
A2803:f800:50::6ca2:c2b3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmaxine.ns.cloudflare.com
A2a06:98c1:50::ac40:22b3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmaxine.ns.cloudflare.com
A108.162.194.179🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaxine.ns.cloudflare.com
A162.159.38.179Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaxine.ns.cloudflare.com
A172.64.34.179🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaxine.ns.cloudflare.com
MX7c8dca5aa1135384.mx1.emailprofi.seznam.cz ⭐
A2a02:598:2::1056🇨🇿 SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx1.emailprofi.seznam.cz
A77.75.77.56🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx1.emailprofi.seznam.cz
MX7c8dca5aa1135384.mx2.emailprofi.seznam.cz(20)
A2a02:598:2::1146🇨🇿 SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx2.emailprofi.seznam.cz
A77.75.77.146🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx2.emailprofi.seznam.cz
TXTgoogle-site-verification=iy3G-DhXCG6or7XO7RR8zkYAoQT-e2gzspS5mlm05I8
TXTv=spf1 a mx ip4:89.221.213.101 ip4:185.82.213.38 ip4:77.78.104.0/24 ip4:185.2...
SOAleo.ns.cloudflare.comdns@cloudflare.com serial=2398831647

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=1771291036
WOT: SAFE (78/100)

Same first word

cdh.be
cdh.no
cdh.gmbh
cdh.biz
cdh.fr
cdh.it
cdh.eu
cdh.agency
cdh.vic.gov.au
cdh.vn
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cdh.or.jp
cdh.dk
cdh.com.hk
cdh.es
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cdh.land
cdh.nz
cdh.com.uy
cdh.com.tw
cdh.cl
cdh.com
cdh.azureedge.net
cdh.tw
cdh.net
cdh.org
cdh.se
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cdh.me
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cdh.org.au
cdh.co.za
cdh.in
cdh.hu
cdh.ch
cdh.us
cdh.cn
cdh.cc
cdh.ca
cdh.at
cdh.camp

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dhc.vn
chd.be
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hcd.co.za
dch.cn
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dhc.by
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hdc.cz
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hcd.noip.me
dch.pl
hdc.biz
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hcd.bz
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dch.be
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hdc.mx
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hdc.services
hdc.uk.com
chd.at
chd.org.tr
dch.com.ar
hcd.io
hcd.me
hdc.cc
hcd.be
dch.dev
dhc.amsterdam
chd.io
dhc.pl
dhc.cn
dhc.net.cn
hdc.or.kr
hcd.biz
dch.dk
chd.cx
dhc.ru
dch.us
chd.world
chd.com.sg
dch.net
chd.lv
hdc.govt.nz
dch.com.br
hcd.ru
chd.pt
hcd.it
dch.com
hcd.tips
chd.org.uk
dhc.in
hdc.net
chd.com.cn
dhc.com.ua
dhc.construction
hdc.com.tr
hdc.pw
hcd.cloud
dch.info
dhc.house

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSleo.ns.cloudflare.commaxine.ns.cloudflare.comns.gransy.comns2.gransy.comns3.gransy.comns4.gransy.comns5.gransy.comMX7c8dca5aa1135384.mx1.emailprofi.seznam.cz7c8dca5aa1135384.mx2.emailprofi.seznam.czmail.gransy.commail2.gransy.comA89.221.213.8277.78.104.58
●NSleo.ns.cloudflare.com2026-03-22 → 2026-03-23 · 3 obs
○ 2019-04-25 04:19:08
● 2026-03-22 17:56:10
● 2026-03-23 03:24:50
●NSmaxine.ns.cloudflare.com2026-03-22 → 2026-03-23 · 3 obs
○ 2019-04-25 04:19:08
● 2026-03-22 17:56:10
● 2026-03-23 03:24:50
○NSns.gransy.com2015-07-12 → 2019-04-25 · 4 obs
● 2015-07-12 07:32:22
● 2019-04-25 04:19:08
○ 2026-03-22 17:56:10
○ 2026-03-23 03:24:50
○NSns2.gransy.com2015-07-12 → 2019-04-25 · 4 obs
● 2015-07-12 07:32:22
● 2019-04-25 04:19:08
○ 2026-03-22 17:56:10
○ 2026-03-23 03:24:50
○NSns3.gransy.com2015-07-12 → 2019-04-25 · 4 obs
● 2015-07-12 07:32:22
● 2019-04-25 04:19:08
○ 2026-03-22 17:56:10
○ 2026-03-23 03:24:50
○NSns4.gransy.com2015-07-12 → 2019-04-25 · 4 obs
● 2015-07-12 07:32:22
● 2019-04-25 04:19:08
○ 2026-03-22 17:56:10
○ 2026-03-23 03:24:50
○NSns5.gransy.com2015-07-12 → 2019-04-25 · 4 obs
● 2015-07-12 07:32:22
● 2019-04-25 04:19:08
○ 2026-03-22 17:56:10
○ 2026-03-23 03:24:50
●MX7c8dca5aa1135384.mx1.emailprofi.seznam.cz2026-03-22 → 2026-03-23 · 3 obs
○ 2019-04-25 04:19:08
● 2026-03-22 17:56:10
● 2026-03-23 03:24:50
●MX7c8dca5aa1135384.mx2.emailprofi.seznam.cz2026-03-22 → 2026-03-23 · 3 obs
○ 2019-04-25 04:19:08
● 2026-03-22 17:56:10
● 2026-03-23 03:24:50
○MXmail.gransy.com2015-07-12 → 2019-04-25 · 4 obs
● 2015-07-12 07:32:22
● 2019-04-25 04:19:08
○ 2026-03-22 17:56:10
○ 2026-03-23 03:24:50
○MXmail2.gransy.com2015-07-12 → 2019-04-25 · 4 obs
● 2015-07-12 07:32:22
● 2019-04-25 04:19:08
○ 2026-03-22 17:56:10
○ 2026-03-23 03:24:50
○A77.78.104.582015-07-12 → 2019-04-25 · 4 obs
● 2015-07-12 07:32:22
● 2019-04-25 04:19:08
○ 2026-03-22 17:56:10
○ 2026-03-23 03:24:50
●A89.221.213.822026-03-22 → 2026-03-23 · 3 obs
○ 2019-04-25 04:19:08
● 2026-03-22 17:56:10
● 2026-03-23 03:24:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz8 records
cdh.czleo.ns.cloudflare.com, maxine.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.179

NS records: leo.ns.cloudflare.com, maxine.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 753ms | Queries: -

📄 Records

TypeCountSample Data
A189.221.213.82
NS2leo.ns.cloudflare.com, maxine.ns.cloudflare.com
MX27c8dca5aa1135384.mx1.emailprofi.seznam.c, 7c8dca5aa1135384.mx2.emailprofi.seznam.c
TXT2google-site-verification=iy3G-DhXCG6or7X, v=spf1 a mx ip4:89.221.213.101 ip4:185.8
SOA1leo.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz...)

Analysis

IP Addresses

cdh.cz points to IP number 89.221.213.82.

For instance, other host names matkoakubko.com, sgleurope.cz, fluxbb.cz, wegapro.eu and goodgame-empire.eu share IP numbers with cdh.cz.

Name Servers

cdh.cz is delegated to two name servers: leo.ns.cloudflare.com and maxine.ns.cloudflare.com.

cdh.cz uses the same name server setup as other domains such as dmdsolution.com, czin.sk, iiient.net, machshevet.com and linkstip.com.

cdh.cz shares name servers with other domains at least partially, for example wshats-app.com, dsblab.com, baiguafu.com, claude-ai.xyz and e-haber.net.

These name servers are commonly used with phoenix.ns.cloudflare.com.

Host names with six IP numbers: host name leo.ns.cloudflare.com points to: 2606:4700:58::a29f:2cf1, 2803:f800:50::6ca2:c3f1, 2a06:98c1:50::ac40:23f1, 108.162.195.241, 162.159.44.241 and 172.64.35.241; host name maxine.ns.cloudflare.com points to: 2606:4700:50::a29f:26b3, 2803:f800:50::6ca2:c2b3, 2a06:98c1:50::ac40:22b3, 108.162.194.179, 162.159.38.179 and 172.64.34.179.

Mail Servers

Two mail servers 7c8dca5aa1135384.mx1.emailprofi.seznam.cz and 7c8dca5aa1135384.mx2.emailprofi.seznam.cz handle cdh.cz.

Host names with two IP numbers:

7c8dca5aa1135384.mx1.emailprofi.seznam.cz points to 2a02:598:2::1056 and 77.75.77.56; 7c8dca5aa1135384.mx2.emailprofi.seznam.cz points to 2a02:598:2::1146 and 77.75.77.146.