`freeproduction.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a00:4b40:aaaa:2005::6^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.164^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
NS	`ns1.websupport.cz` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.cz`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.eu`
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
MX	`mx10.active24.cz` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:85^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
		A	45.13.137.85^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`mx10.active24.cz`
MX	`mx20.active24.cz`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:86^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
		A	45.13.137.86^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`mx20.active24.cz`
TXT	`v=spf1 a mx include:_spf.websupport.cz ?all`
TXT	`spf2.0/pra a mx include:_sid.websupport.cz ?all`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1750856571

`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=1776874636

Subdomains

ns.freeproduction.cz

Same first word

freeproduction.cz

DNS History

15 records (7 active, 8 former)

○NSns.freeproduction.cz2015-05-27 → 2017-06-30 · 5 obs

○ 2008-04-15 17:04:32
● 2015-05-27 04:08:44
● 2017-06-30 16:56:44
○ 2026-03-31 05:04:24
○ 2026-04-22 17:07:16

○NSns1.chtelbiz.cz2008-04-15 → 2008-04-15 · 3 obs

● 2008-04-15 17:04:32
○ 2015-05-27 04:08:44
○ 2026-04-22 17:07:16

●NSns1.websupport.cz2026-03-31 → 2026-04-22 · 3 obs

○ 2017-06-30 16:56:44
● 2026-03-31 05:04:24
● 2026-04-22 17:07:16

○NSns2.chtelbiz.cz2008-04-15 → 2008-04-15 · 3 obs

● 2008-04-15 17:04:32
○ 2015-05-27 04:08:44
○ 2026-04-22 17:07:16

●NSns2.websupport.cz2026-03-31 → 2026-04-22 · 3 obs

○ 2017-06-30 16:56:44
● 2026-03-31 05:04:24
● 2026-04-22 17:07:16

●NSns3.websupport.eu2026-03-31 → 2026-04-22 · 3 obs

○ 2017-06-30 16:56:44
● 2026-03-31 05:04:24
● 2026-04-22 17:07:16

○MXmail.chtelbiz.cz2008-04-15 → 2008-04-15 · 3 obs

● 2008-04-15 17:04:32
○ 2015-05-27 04:08:44
○ 2026-04-22 17:07:16

○MXmx1.zelenyweb.cz2015-05-27 → 2017-06-30 · 5 obs

○ 2008-04-15 17:04:32
● 2015-05-27 04:08:44
● 2017-06-30 16:56:44
○ 2026-03-31 05:04:24
○ 2026-04-22 17:07:16

●MXmx10.active24.cz2026-03-31 → 2026-04-22 · 3 obs

○ 2017-06-30 16:56:44
● 2026-03-31 05:04:24
● 2026-04-22 17:07:16

○MXmx2.zelenyweb.cz2015-05-27 → 2017-06-30 · 5 obs

○ 2008-04-15 17:04:32
● 2015-05-27 04:08:44
● 2017-06-30 16:56:44
○ 2026-03-31 05:04:24
○ 2026-04-22 17:07:16

●MXmx20.active24.cz2026-03-31 → 2026-04-22 · 3 obs

○ 2017-06-30 16:56:44
● 2026-03-31 05:04:24
● 2026-04-22 17:07:16

●A2a00:4b40:aaaa:2005::62026-03-31 → 2026-04-22 · 3 obs

○ 2017-06-30 16:56:44
● 2026-03-31 05:04:24
● 2026-04-22 17:07:16

●A37.9.175.1642026-03-31 → 2026-04-22 · 3 obs

○ 2017-06-30 16:56:44
● 2026-03-31 05:04:24
● 2026-04-22 17:07:16

○A78.24.14.482015-05-27 → 2017-06-30 · 5 obs

○ 2008-04-15 17:04:32
● 2015-05-27 04:08:44
● 2017-06-30 16:56:44
○ 2026-03-31 05:04:24
○ 2026-04-22 17:07:16

○A89.187.130.2142008-04-15 → 2008-04-15 · 3 obs

● 2008-04-15 17:04:32
○ 2015-05-27 04:08:44
○ 2026-04-22 17:07:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
freeproduction.cz	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:185.71.159.12

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1496ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.164`
AAAA	1	`2a00:4b40:aaaa:2005::6`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mx10.active24.cz (pri: 10), mx20.active24.cz (pri: 100)`
TXT	2	`v=spf1 a mx include:_spf.websupport.cz ?, spf2.0/pra a mx include:_sid.websupport.`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

Hierarchy

The parent of ns.freeproduction.cz is freeproduction.cz.

IP Addresses

freeproduction.cz points to two IP numbers: 2a00:4b40:aaaa:2005::6 and 37.9.175.164.

Other host names, for instance ekolia.cz, mera.cz, mail.polfin-agro.cz, renown.cz and r-sound.cz share IP numbers with freeproduction.cz.

Name Servers

The domain freeproduction.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

freeproduction.cz shares name servers with other domains at least partially, for instance printman.at, asj.cz, miasystem.cz, taigablue.cz and securebay.org.

these name servers are often used with ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.

Host names with two IP numbers:

ns1.websupport.cz points to 2a10:bbc0::11 and 45.10.97.11

ns2.websupport.cz points to 2a02:250:3::12 and 185.71.159.12

ns3.websupport.eu points to 2a10:bbc0::13 and 45.10.97.13

Mail Servers

freeproduction.cz is handled by two mail servers: mx10.active24.cz and mx20.active24.cz.

freeproduction.cz shares the same mail server setup as other domains, including kvartirant.cz, blyth.eu, cernocky.com, vaspo.cz and urticae.cz.

Host names with two IP numbers:

The host mx10.active24.cz points to 2a00:4b40:aaaa:2101:45:13:137:85 and 45.13.137.85.

The host mx20.active24.cz points to 2a00:4b40:aaaa:2101:45:13:137:86 and 45.13.137.86.

freeproduction.cz - robtex.com