`frantisekbartos.cz`

DNSSEC	🔒 Signed (DS record present)
A	131.117.208.152^{🇨🇿 MGI131.117.208.0/21 AVONET, s.r.o.}
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}
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1655900451

`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=1784735239

Same first word

frantisekbartos.cz

DNS History

8 records (4 active, 4 former)

○NSalfa.ns.active24.cz2015-08-01 → 2020-04-01 · 4 obs

● 2015-08-01 07:30:24
● 2020-04-01 01:53:08
○ 2026-04-19 02:00:16
○ 2026-07-22 16:07:52

○NSbeta.ns.active24.cz2015-08-01 → 2020-04-01 · 4 obs

● 2015-08-01 07:30:24
● 2020-04-01 01:53:08
○ 2026-04-19 02:00:16
○ 2026-07-22 16:07:52

○NSgama.ns.active24.sk2015-08-01 → 2020-04-01 · 4 obs

● 2015-08-01 07:30:24
● 2020-04-01 01:53:08
○ 2026-04-19 02:00:16
○ 2026-07-22 16:07:52

●NSns1.websupport.cz2026-04-19 → 2026-07-22 · 3 obs

○ 2020-04-01 01:53:08
● 2026-04-19 02:00:16
● 2026-07-22 16:07:52

●NSns2.websupport.cz2026-04-19 → 2026-07-22 · 3 obs

○ 2020-04-01 01:53:08
● 2026-04-19 02:00:16
● 2026-07-22 16:07:52

●NSns3.websupport.eu2026-04-19 → 2026-07-22 · 3 obs

○ 2020-04-01 01:53:08
● 2026-04-19 02:00:16
● 2026-07-22 16:07:52

○A131.117.208.1342015-08-01 → 2017-03-19 · 4 obs

● 2015-08-01 07:30:24
● 2017-03-19 09:27:44
○ 2020-04-01 01:53:08
○ 2026-07-22 16:07:52

●A131.117.208.1522020-04-01 → 2026-07-22 · 3 obs

○ 2017-03-19 09:27:44
● 2020-04-01 01:53:08
● 2026-07-22 16:07:52

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:45.10.97.13

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 900ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`131.117.208.152`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

IP Addresses

frantisekbartos.cz directs to one IP number, which is 131.117.208.152.

Additional host names — including site1.14-15.cz and kfbz.cz — share IP numbers with frantisekbartos.cz.

Name Servers

Three name servers are authoritative for frantisekbartos.cz: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

frantisekbartos.cz has at least partial name server overlap with other domains, such as ms-source.cz, cpc-group.cz, makronky.eu and two others.

ns1.websupport.cz resolves to 45.10.97.11 and 2a10:bbc0::11. ns2.websupport.cz resolves to 185.71.159.12 and 2a02:250:3::12. ns3.websupport.eu resolves to 45.10.97.13 and 2a10:bbc0::13. All three hostnames point to two IP numbers each.

frantisekbartos.cz - robtex.com