`centrumopensource.pl`

DNSSEC	⚠️ Not signed
A	2.57.137.9^{🇵🇱 PL-BEYOND-AS2.57.136.0/22}
		PTR	`s9.zenbox.pl`
NS	`ns1.zenbox.pl` ⭐
		A	94.152.254.108^{🇵🇱 OXYLION-AS94.152.254.0/24}
			PTR	`5e98fe6c.static.tld.pl`
NS	`ns2.zenbox.pl`
		A	94.152.255.108^{🇵🇱 OXYLION-AS94.152.255.0/24}
			PTR	`5e98ff6c.static.tld.pl`
MX	`mx1.zenbox.pl` ⭐
		A	46.245.193.99^{🇵🇱 PL-BEYOND-AS46.245.193.0/24}
			PTR	`mx.zenbox.pl`
MX	`mx2.zenbox.pl`⁽²⁰⁾
		A	46.245.193.11^{🇵🇱 PL-BEYOND-AS46.245.193.0/24}
			PTR	`lb1.zenbox.pl`
MX	`mx3.zenbox.pl`⁽³⁰⁾
		A	46.245.193.12^{🇵🇱 PL-BEYOND-AS46.245.193.0/24}
			PTR	`lb2.zenbox.pl`
TXT	`google-site-verification=mjCEYQhPPWhMP5cWiYPTSsaBenQuEs0SPoEjUduNYnQ`
TXT	`facebook-domain-verification=benm6jhhd6k1yrr0qlugz0n47h3yi5`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns1.zenbox.pl`kontakt@zenbox.pl 2024-06-03 #0

`pl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a-dns.pl` ⭐ 🔒
	NS	`b-dns.pl` 🔒
	NS	`d-dns.pl` 🔒
	NS	`f-dns.pl` 🔒
	NS	`h-dns.pl` 🔒
	NS	`j-dns.pl` 🔒
	TXT	`ccTLD of Poland`
	SOA	`a-dns.pl`dnsmaster@nask.pl serial=1771291803

Same first word

centrumopensource.pl

DNS History

6 records (6 active, 0 former)

●NSns1.zenbox.pl2026-03-02 → 2026-03-04 · 2 obs

● 2026-03-02 07:56:50
● 2026-03-04 01:22:22

●NSns2.zenbox.pl2026-03-02 → 2026-03-04 · 2 obs

● 2026-03-02 07:56:50
● 2026-03-04 01:22:22

●MXmx1.zenbox.pl2026-03-02 → 2026-03-04 · 2 obs

● 2026-03-02 07:56:50
● 2026-03-04 01:22:22

●MXmx2.zenbox.pl2026-03-02 → 2026-03-04 · 2 obs

● 2026-03-02 07:56:50
● 2026-03-04 01:22:22

●MXmx3.zenbox.pl2026-03-02 → 2026-03-04 · 2 obs

● 2026-03-02 07:56:50
● 2026-03-04 01:22:22

●A2.57.137.92026-03-02 → 2026-03-04 · 2 obs

● 2026-03-02 07:56:50
● 2026-03-04 01:22:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	b-dns.pl, h-dns.pl, j-dns.pl, a-dns.pl...	-
centrumopensource.pl	ns2.zenbox.pl, ns1.zenbox.pl	2 records

✅ Authoritative Response

Server: 94.152.254.108

NS records: ns2.zenbox.pl, ns1.zenbox.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centrumopensource.pl (unsigned zone)

⏱️ Timing

Total: 823ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`2.57.137.9`
NS	2	`ns1.zenbox.pl, ns2.zenbox.pl`
MX	3	`mx1.zenbox.pl (pri: 10), mx2.zenbox.pl (pri: 20)...`
TXT	3	`google-site-verification=mjCEYQhPPWhMP5c, facebook-domain-verification=benm6jhhd6k...`
SOA	1	`ns1.zenbox.pl kontakt.zenbox.pl`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.zenbox.pl, ns1.zenbox.pl)

Analysis

IP Addresses

centrumopensource.pl maps to IP address 2.57.137.9.

Other host names, for instance www.stonevilla.pl, alt1.aspmx.l.google.com.senseiagency.pl, insightpr.pl, domains.brajer.com.pl and tech-mania.pl share IP numbers with centrumopensource.pl.

Name Servers

Two name servers ns1.zenbox.pl and ns2.zenbox.pl are delegated to centrumopensource.pl.

centrumopensource.pl uses the same name server configuration as other domains, such as pollera.com.pl, medicus-bonus.com, mouse-craft.com, autoserwis.gda.pl and tlmedia.pl.

Host names with a single IP address:

ns1.zenbox.pl points to 94.152.254.108

ns2.zenbox.pl points to 94.152.255.108

Mail Servers

centrumopensource.pl is handled by three mail servers: mx1.zenbox.pl, mx2.zenbox.pl and mx3.zenbox.pl.

centrumopensource.pl shares mail servers with other domains at least in part, for instance snpp.pl, tytonpapierosowy.pl, plombygwarancyjne.pl, e-koloro(0x77616e6b)i.eu and nifis.pl.

Host names with a single IP:

mx1.zenbox.pl points to 46.245.193.99

mx2.zenbox.pl points to 46.245.193.11

mx3.zenbox.pl points to 46.245.193.12

centrumopensource.pl - robtex.com