codespace.cz - dns.ninja

`codespace.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a02:768:3b04:515a::3^{🇨🇿 Starnet2a02:768::/32 s.r.o.}
		PTR	`aurora.oohost.cz`
A	185.131.60.97^{🇨🇿 Starnet185.131.60.0/22 STARNET, s.r.o.}
NS	`a.ns.oohost.cz` ⭐
		A	2a03:3b40:fe:1d6::1^{🇨🇿 MASTER-AS2a03:3b40::/40 VPSFREE-IPV6-PRG2}
			PTR	`matrix.zmenamatrixu.cz`
		A	185.8.165.252^{🇨🇿 MASTER-AS185.8.164.0/23 CZ-VPSFREE-20121101}
			PTR	`matrix.zmenamatrixu.cz`
NS	`b.ns.oohost.cz`
		A	2a06:9280:108a:c020:be24:11ff:fee7:bd8d^{🇨🇿 PILSFREE2a06:9280::/29 PilsFree, z.s.}
		A	81.201.56.97^{🇨🇿 NFX_ZSPO81.201.56.0/21 Neutral Free eXchange members - FreeTel alternate}
			PTR	`fzet.pilsfree.net`
NS	`c.ns.oohost.cz`
		A	2a02:768:3b04:515a::3^{🇨🇿 Starnet2a02:768::/32 s.r.o.}
			PTR	`aurora.oohost.cz`
		A	185.131.60.97^{🇨🇿 Starnet185.131.60.0/22 STARNET, s.r.o.}
			PTR	`aurora.oohost.cz`
NS	`d.ns.oohost.cz`
		A	2a05:1226::2^{🇨🇿 UNITED_NETWORKS_SE2a05:1220::/29}
MX	`mx2.codespace.cz` ⭐
		A	2a03:3b40:fe:1d6::1^{🇨🇿 MASTER-AS2a03:3b40::/40 VPSFREE-IPV6-PRG2}
			PTR	`matrix.zmenamatrixu.cz`
		A	185.8.165.252^{🇨🇿 MASTER-AS185.8.164.0/23 CZ-VPSFREE-20121101}
			PTR	`matrix.zmenamatrixu.cz`
MX	`mx.codespace.cz`⁽²⁰⁾
		A	2a02:768:3b04:515a::3^{🇨🇿 Starnet2a02:768::/32 s.r.o.}
			PTR	`aurora.oohost.cz`
		A	185.131.60.97^{🇨🇿 Starnet185.131.60.0/22 STARNET, s.r.o.}
			PTR	`aurora.oohost.cz`
TXT	`test`
TXT	`v=spf1 redirect=spf.codespace.cz`
SOA	`a.ns.oohost.cz`dns@oohost.cz 2024-03-28 #37

`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=1786061843

Subdomains

mx2.codespace.cz

mx.codespace.cz

Same first word

codespace.in

codespace.pl

codespace.info

codespace.ru

codespace.cz

codespace.space

codespace.co.uk

codespace.education

codespace.me

codespace.de

codespace.online

codespace.com

codespace.net

codespace.fi

codespace.co.za

codespace.it

codespace.org

codespace.co

codespace.vip

Similar names

DNS History

17 records (8 active, 9 former)

●NSa.ns.oohost.cz2026-03-27 → 2026-08-07 · 3 obs

○ 2026-03-25 18:27:34
● 2026-03-27 00:40:10
● 2026-08-07 01:31:44

○NSaurora.ns.oohost.cz2026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-23 21:33:40
● 2026-03-25 18:27:34
○ 2026-03-27 00:40:10
○ 2026-08-07 01:31:44

●NSb.ns.oohost.cz2026-03-27 → 2026-08-07 · 3 obs

○ 2026-03-25 18:27:34
● 2026-03-27 00:40:10
● 2026-08-07 01:31:44

●NSc.ns.oohost.cz2026-03-27 → 2026-08-07 · 3 obs

○ 2026-03-25 18:27:34
● 2026-03-27 00:40:10
● 2026-08-07 01:31:44

●NSd.ns.oohost.cz2026-03-27 → 2026-08-07 · 3 obs

○ 2026-03-25 18:27:34
● 2026-03-27 00:40:10
● 2026-08-07 01:31:44

○NSluna.ns.oohost.cz2026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-23 21:33:40
● 2026-03-25 18:27:34
○ 2026-03-27 00:40:10
○ 2026-08-07 01:31:44

○NSlyra.ns.oohost.cz2026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-23 21:33:40
● 2026-03-25 18:27:34
○ 2026-03-27 00:40:10
○ 2026-08-07 01:31:44

○NSmatrix.ns.oohost.cz2026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-23 21:33:40
● 2026-03-25 18:27:34
○ 2026-03-27 00:40:10
○ 2026-08-07 01:31:44

○NSns1.oohost.cz2026-02-17 → 2026-03-23 · 4 obs

● 2026-02-17 11:17:42
● 2026-03-23 21:33:40
○ 2026-03-25 18:27:34
○ 2026-08-07 01:31:44

○NSns2.oohost.cz2026-02-17 → 2026-03-23 · 4 obs

● 2026-02-17 11:17:42
● 2026-03-23 21:33:40
○ 2026-03-25 18:27:34
○ 2026-08-07 01:31:44

○NSns3.oohost.cz2026-02-17 → 2026-03-23 · 4 obs

● 2026-02-17 11:17:42
● 2026-03-23 21:33:40
○ 2026-03-25 18:27:34
○ 2026-08-07 01:31:44

●MXmx.codespace.cz2026-02-17 → 2026-08-07 · 2 obs

● 2026-02-17 11:17:42
● 2026-08-07 01:31:44

●MXmx2.codespace.cz2026-02-17 → 2026-08-07 · 2 obs

● 2026-02-17 11:17:42
● 2026-08-07 01:31:44

●A185.131.60.972026-02-17 → 2026-08-07 · 5 obs

● 2026-02-17 11:17:42
● 2026-03-27 08:18:40
○ 2026-04-21 22:45:26
● 2026-06-19 04:33:32
● 2026-08-07 01:31:44

●A2a02:768:3b04:515a::32026-02-17 → 2026-08-07 · 5 obs

● 2026-02-17 11:17:42
● 2026-03-27 08:18:40
○ 2026-04-21 22:45:26
● 2026-06-19 04:33:32
● 2026-08-07 01:31:44

○A2a06:9280:108a:c020:be24:11ff:fe96:eca52026-04-21 → 2026-04-21 · 4 obs

○ 2026-03-27 08:18:40
● 2026-04-21 22:45:26
○ 2026-06-19 04:33:32
○ 2026-08-07 01:31:44

○A81.201.56.972026-04-21 → 2026-04-21 · 4 obs

○ 2026-03-27 08:18:40
● 2026-04-21 22:45:26
○ 2026-06-19 04:33:32
○ 2026-08-07 01:31:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	8 records
codespace.cz	a.ns.oohost.cz, b.ns.oohost.cz, c.ns.oohost.cz, d.ns.oohost.cz	7 records

✅ Authoritative Response

Server:81.201.56.97

NS records: a.ns.oohost.cz, b.ns.oohost.cz, c.ns.oohost.cz, d.ns.oohost.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1045ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.131.60.97`
AAAA	1	`2a02:768:3b04:515a::3`
NS	4	`a.ns.oohost.cz, b.ns.oohost.cz...`
MX	2	`mx.codespace.cz (pri: 10), mx2.codespace.cz (pri: 20)`
TXT	2	`test, v=spf1 redirect=spf.codespace.cz`
SOA	1	`a.ns.oohost.cz dns.oohost.cz`

📌 Glue Records Collected

Total: 15

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

Out-of-bailiwick: 7 (a.ns.oohost.cz, a.ns.oohost.cz, b.ns.oohost.cz...)

Analysis

Hierarchy

codespace.cz is the parent domain of mx2.codespace.cz and mx.codespace.cz.

IP Addresses

codespace.cz resolves to the IP addresses 185.131.60.97 and 2a02:768:3b04:515a::3

Additional host names — ns1.oohost.cz, xgb.cz, limnospol.cz and two others — share IP numbers with codespace.cz.

Name Servers

codespace.cz has four authoritative name servers: a.ns.oohost.cz, b.ns.oohost.cz, c.ns.oohost.cz and d.ns.oohost.cz.

codespace.cz has at least partial name server overlap with other domains, such as enchant.cz, web-site.cz, oohost.cz and two others.

Host names with two IP numbers:

a.ns.oohost.cz maps to two IP addresses — 185.8.165.252 and 2a03:3b40:fe:1d6::1.

b.ns.oohost.cz maps to two IP addresses — 81.201.56.97 and 2a06:9280:108a:c020:be24:11ff:fee7:bd8d.

c.ns.oohost.cz maps to two IP addresses — 185.131.60.97 and 2a02:768:3b04:515a::3.

Host names pointing to a single IP address:

d.ns.oohost.cz points to the IP address 2a05:1226::2.

Mail Servers

codespace.cz has two mail servers: mx2.codespace.cz and mx.codespace.cz.

codespace.cz shares the same mail server setup as other domains, including cdsp.cz, zmenamatrixu.cz, enchant.cz and two others.

Each of the two host names carries two IP addresses: mx2.codespace.cz points to 185.8.165.252 and 2a03:3b40:fe:1d6::1, and mx.codespace.cz points to 185.131.60.97 and 2a02:768:3b04:515a::3.