`firstinfinite.cz`

DNSSEC	⚠️ Not signed
NS	`ns.rozhled.cz` ⭐
		A	2a0b:3240:0:1::2^{🇨🇿 MASTER-AS2a0b:3240::/32 CZ-BYDZOVSKY-20190401}
			PTR	`ns.rozhled.cz`
		A	5.180.200.2^{🇨🇿 MASTER-AS5.180.200.0/22 CZ-BYDZOVSKY-20190401}
			PTR	`ns.rozhled.cz`
NS	`ns.rozhled.eu`
		A	2a01:430:12::2^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
			PTR	`ns.rozhled.cz`
		A	93.185.111.178^{🇨🇿 VSHOSTING93.185.96.0/20 II.}
			PTR	`ns1.magichouse.cz`
SOA	`ns.rozhled.cz`admin@rozhled.cz 2025-05-06 #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=1776795436

Same first word

firstinfinite.cz

firstinfinite.eu

DNS History

9 records (2 active, 7 former)

●NSns.rozhled.cz2026-04-11 → 2026-04-21 · 3 obs

○ 2016-12-04 14:26:56
● 2026-04-11 10:18:18
● 2026-04-21 18:51:24

●NSns.rozhled.eu2026-04-11 → 2026-04-21 · 3 obs

○ 2016-12-04 14:26:56
● 2026-04-11 10:18:18
● 2026-04-21 18:51:24

○NSns1.websupport.sk2015-06-26 → 2016-12-04 · 4 obs

● 2015-06-26 05:48:42
● 2016-12-04 14:26:56
○ 2026-04-11 10:18:18
○ 2026-04-21 18:51:24

○NSns2.websupport.sk2015-06-26 → 2016-12-04 · 4 obs

● 2015-06-26 05:48:42
● 2016-12-04 14:26:56
○ 2026-04-11 10:18:18
○ 2026-04-21 18:51:24

○NSns3.websupport.sk2015-06-26 → 2016-12-04 · 4 obs

● 2015-06-26 05:48:42
● 2016-12-04 14:26:56
○ 2026-04-11 10:18:18
○ 2026-04-21 18:51:24

○MXmailin1.firstinfinite.cz2015-06-26 → 2016-12-04 · 4 obs

● 2015-06-26 05:48:42
● 2016-12-04 14:26:56
○ 2026-04-11 10:18:18
○ 2026-04-21 18:51:24

○MXmailin2.firstinfinite.cz2015-06-26 → 2016-12-04 · 4 obs

● 2015-06-26 05:48:42
● 2016-12-04 14:26:56
○ 2026-04-11 10:18:18
○ 2026-04-21 18:51:24

○MXmailinbackup1.firstinfinite.cz2015-06-26 → 2016-04-20 · 4 obs

● 2015-06-26 05:48:42
● 2016-04-20 18:11:46
○ 2016-12-04 14:26:56
○ 2026-04-21 18:51:24

○A195.210.28.1742015-06-26 → 2016-12-04 · 4 obs

● 2015-06-26 05:48:42
● 2016-12-04 14:26:56
○ 2026-04-11 10:18:18
○ 2026-04-21 18:51:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
firstinfinite.cz	ns.rozhled.cz, ns.rozhled.eu	2 records

✅ Authoritative Response

Server:93.185.111.178

NS records: ns.rozhled.cz, ns.rozhled.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstinfinite.cz (unsigned zone)

⏱️ Timing

Total: 1655ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns.rozhled.cz, ns.rozhled.eu`
SOA	1	`ns.rozhled.cz admin.rozhled.cz`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.rozhled.cz, ns.rozhled.cz)

Analysis

Name Servers

Two name servers ns.rozhled.cz and ns.rozhled.eu handle delegation for firstinfinite.cz.

firstinfinite.cz uses the same name server setup as other domains, for example heral.cz, akrr.cz, dum-e.cz, btvuste.cz and filiphockey.sk.

firstinfinite.cz shares name servers with other domains at least in part, for instance gencalc.com.

Host names with two IP numbers:

ns.rozhled.cz points to: 2a0b:3240:0:1::2 and 5.180.200.2

ns.rozhled.eu points to: 2a01:430:12::2 and 93.185.111.178

firstinfinite.cz - robtex.com