`ham.cz`

DNSSEC	🔒 Signed (DS record present)
A	62.109.149.164^{🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
		PTR	`able-lb-web-01.cust.webglobe.com`
NS	`ns2.web4u.cz` ⭐
		A	2a02:a40:100:28ff::12^{🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.}
			PTR	`ns2.web4u.cz`
		A	85.207.53.12^{🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block}
			PTR	`ns2.web4u.cz`
NS	`ns.web4u.cz`
		A	2001:1568:fd::241^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`ns.web4u.cz`
		A	185.14.224.241^{🇨🇿 WEB4U185.14.224.0/23}
			PTR	`ns.web4u.cz`
MX	`ham-cz.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
TXT	`MS=ms96365799`
TXT	`v=spf1 a:mx.ham.cz include:spf.protection.outlook.com include:_spf.myshoptet....`
SOA	`ns.web4u.cz`admin@web4u.cz 2025-08-19 #0

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐ 🔒
	NS	`b.ns.nic.cz` 🔒
	NS	`c.ns.nic.cz` 🔒
	NS	`d.ns.nic.cz` 🔒
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1771291036

Subdomains

www.ham.cz

mail.ham.cz

posta.ham.cz

Same first word

ham.cn

ham.works

ham.in

ham.org.cn

ham.dk

ham.co.nz

ham.me

ham.es

ham.net

ham.events

ham.pl

ham.farm

ham.ch

ham.rs

ham.aero

ham.io

ham.sk

ham.digital

ham.md

ham.ru

ham.lv

ham.be

ham.hu

ham.al

ham.my

ham.ink

ham.biz

ham.us

ham.study

ham.org.br

ham.tools

ham.im

ham.org

ham.su

ham.mx

ham.to

ham.mobi

ham.net.ua

ham.ie

ham.se

ham.fi

ham.kz

ham.dog

ham.in.th

ham.co.za

ham.fr

ham.si

ham.gr

ham.tel

ham.moe

ham.com.pl

ham.org.tw

ham.tips

ham.ca

ham.world

ham.go.id

ham.com

ham.re

ham.tv

ham.eu

ham.info

ham.at

ham.fm

ham.nu

ham.holdings

ham.com.tw

ham.cz

ham.it

ham.la

ham.nl

ham.pub

ham.gd

ham.is

ham.gmbh

ham.xen.prgmr.com

ham.email

ham.co

Similar names

mha.org.uk

hma.fr

hma.international

hma.org.il

mah.co.in

hma.technology

mah.dk

amh.net.cn

mha.me

mah.ro

hma.org

amh.nl

hma.fi

mha.co.id

ahm.systems

hma.nl

mah.cz

mah.co.at

amh.ca

mah.in

ahm.ye

mah.org

hma.org.cn

hma.com.au

mha.gouv.sn

mah.xyz

hma.at

ahm.fi

hma.ch

mha.org

mah.com.mx

ahm.at

mah.biz

amh.ru

ahm.jp

hma.sakura.ne.jp

ahm.hu

hma.net.tr

hma.pl

mah.de

ahm.us.com

hma.as

mah.priv.at

ahm.co.id

ahm.ninja

ahm.kz

mha.us

hma.ax

mah.by

mha.in

hma.jp

hma.ir

ahm.international

mha.fr

ahm.com

mha.dk

ahm.blue

amh.org.cn

amh.ro

mah.pl

amh.dyndns.org

mah.kim

amh.net.nz

mha.be

mah.com.sg

mah.black

ahm.ru

mha.nl

hma.center

hma.management

mha.ch

amh.pl

amh.mobi

DNS History

11 records (4 active, 7 former)

●NSns.web4u.cz2015-08-24 → 2026-03-17 · 2 obs

● 2015-08-24 00:58:12
● 2026-03-17 06:03:36

●NSns2.web4u.cz2015-08-24 → 2026-03-17 · 2 obs

● 2015-08-24 00:58:12
● 2026-03-17 06:03:36

●MXham-cz.mail.protection.outlook.com2026-02-14 → 2026-03-17 · 3 obs

○ 2020-11-08 17:41:58
● 2026-02-14 19:45:16
● 2026-03-17 06:03:36

○MXmx.ham.cz2020-11-08 → 2020-11-08 · 4 obs

○ 2017-08-27 16:35:06
● 2020-11-08 17:41:58
○ 2026-02-14 19:45:16
○ 2026-03-17 06:03:36

○MXposta.ham.cz2015-08-24 → 2017-08-27 · 4 obs

● 2015-08-24 00:58:12
● 2017-08-27 16:35:06
○ 2020-11-08 17:41:58
○ 2026-03-17 06:03:36

○MXrelay.skynet.cz2015-08-24 → 2015-12-08 · 4 obs

● 2015-08-24 00:58:12
● 2015-12-08 20:27:12
○ 2016-03-20 10:31:56
○ 2026-03-17 06:03:36

○MXxrelay.skynet.cz2015-08-24 → 2015-12-08 · 4 obs

● 2015-08-24 00:58:12
● 2015-12-08 20:27:12
○ 2016-03-20 10:31:56
○ 2026-03-17 06:03:36

○A167.86.97.702020-11-08 → 2020-11-08 · 4 obs

○ 2017-08-27 16:35:06
● 2020-11-08 17:41:58
○ 2026-02-14 19:45:16
○ 2026-03-17 06:03:36

●A62.109.149.1642026-02-14 → 2026-03-17 · 3 obs

○ 2020-11-08 17:41:58
● 2026-02-14 19:45:16
● 2026-03-17 06:03:36

○A78.24.14.832015-08-24 → 2016-10-04 · 4 obs

● 2015-08-24 00:58:12
● 2016-10-04 21:34:36
○ 2017-01-14 07:48:08
○ 2026-03-17 06:03:36

○A81.2.197.1752017-01-14 → 2017-08-27 · 5 obs

○ 2016-10-04 21:34:36
● 2017-01-14 07:48:08
● 2017-08-27 16:35:06
○ 2020-11-08 17:41:58
○ 2026-03-17 06:03:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
ham.cz	ns.web4u.cz, ns2.web4u.cz	4 records

✅ Authoritative Response

Server: 185.14.224.241

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1181ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.109.149.164`
NS	2	`ns.web4u.cz, ns2.web4u.cz`
MX	1	`ham-cz.mail.protection.outlook.com (pri:`
TXT	2	`MS=ms96365799, v=spf1 a:mx.ham.cz include:spf.protectio`
SOA	1	`ns.web4u.cz admin.web4u.cz`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)

Analysis

Hierarchy

ham.cz has www.ham.cz, mail.ham.cz and posta.ham.cz as children.

IP Addresses

ham.cz points to a single IP address: 62.109.149.164.

Other host names such as able-lb-web-01.cust.webglobe.com, protenax.cz, freeport.at, srv2.able.cz and cbpmr.info share IPs with ham.cz.

Name Servers

Two name servers ns2.web4u.cz and ns.web4u.cz handle the delegation for ham.cz.

ham.cz shares the same name server setup as other domains, for example kausitz.com, b-happy.cz, magnesia-litera.cz, psi.cz and ocenovani-podniku.cz.

Host names with two IP numbers:

ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12.

ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.

Mail Servers

The ham-cz.mail.protection.outlook.com mail server handles ham.cz.

ham-cz.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::e, 2a01:111:f403:ca09::8, 2a01:111:f403:ca09::9, 52.101.68.12, 52.101.68.21, 52.101.68.32 and 52.101.73.24.

ham.cz - robtex.com

ham.cz

cz