`centrumobd.com.pl`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:47b6^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:93f9^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.71.182^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.147.249^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alex.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c164^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2164^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alex.ns.cloudflare.com`
		A	108.162.193.100^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	172.64.33.100^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	173.245.59.100^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
NS	`demi.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a5f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`demi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`demi.ns.cloudflare.com`
		A	108.162.192.95^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	172.64.32.95^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	173.245.58.95^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
MX	`mail.sky-shop.pl` ⭐
		A	188.68.234.161^{🇵🇱 SPRINT-SDC188.68.224.0/20 Sprint S.A. Sprint Data Center Olsztyn, Poland}
			PTR	`mail.sky-shop.pl`
TXT	`62907726527b36589c3090367f522a25f75f8c2845f980ba30d781dd3dc4291`
TXT	`v=spf1 a mx include:_spf.sky-shop.pl -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.71.182, 172.67.147.249
		IPv6	2606:4700:3034::6815:47b6, 2606:4700:3034::ac43:93f9
SOA	`alex.ns.cloudflare.com`dns@cloudflare.com serial=2395967034

`com.pl`

	DNSSEC	⚠️ Not signed
	NS	`a-dns.pl` ⭐ ⚠️ Not in parent delegation
	NS	`b-dns.pl` ⚠️ Not in parent delegation
	NS	`d-dns.pl` ⚠️ Not in parent delegation
	NS	`f-dns.pl` ⚠️ Not in parent delegation
	NS	`h-dns.pl` ⚠️ Not in parent delegation
	NS	`j-dns.pl` ⚠️ Not in parent delegation
	SOA	`a-dns.pl`dnsmaster@nask.pl serial=1774337549

Same first word

centrumobd.com.pl

DNS History

11 records (7 active, 4 former)

●NSalex.ns.cloudflare.com2026-03-02 → 2026-03-24 · 2 obs

● 2026-03-02 20:37:12
● 2026-03-24 17:38:52

●NSdemi.ns.cloudflare.com2026-03-02 → 2026-03-24 · 2 obs

● 2026-03-02 20:37:12
● 2026-03-24 17:38:52

●MXmail.sky-shop.pl2026-03-02 → 2026-03-24 · 2 obs

● 2026-03-02 20:37:12
● 2026-03-24 17:38:52

●A104.21.71.1822026-03-23 → 2026-03-24 · 3 obs

○ 2026-03-02 20:37:12
● 2026-03-23 06:02:54
● 2026-03-24 17:38:52

●A172.67.147.2492026-03-23 → 2026-03-24 · 3 obs

○ 2026-03-02 20:37:12
● 2026-03-23 06:02:54
● 2026-03-24 17:38:52

○A188.114.96.02026-03-02 → 2026-03-02 · 3 obs

● 2026-03-02 20:37:12
○ 2026-03-23 06:02:54
○ 2026-03-24 17:38:52

○A188.114.97.02026-03-02 → 2026-03-02 · 3 obs

● 2026-03-02 20:37:12
○ 2026-03-23 06:02:54
○ 2026-03-24 17:38:52

●A2606:4700:3034::6815:47b62026-03-23 → 2026-03-24 · 3 obs

○ 2026-03-02 20:37:12
● 2026-03-23 06:02:54
● 2026-03-24 17:38:52

●A2606:4700:3034::ac43:93f92026-03-23 → 2026-03-24 · 3 obs

○ 2026-03-02 20:37:12
● 2026-03-23 06:02:54
● 2026-03-24 17:38:52

○A2a06:98c1:3120::2026-03-02 → 2026-03-02 · 3 obs

● 2026-03-02 20:37:12
○ 2026-03-23 06:02:54
○ 2026-03-24 17:38:52

○A2a06:98c1:3121::2026-03-02 → 2026-03-02 · 3 obs

● 2026-03-02 20:37:12
○ 2026-03-23 06:02:54
○ 2026-03-24 17:38:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
centrumobd.com.pl	alex.ns.cloudflare.com, demi.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.100

NS records: alex.ns.cloudflare.com, demi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centrumobd.com.pl (unsigned zone)

⏱️ Timing

Total: 894ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.147.249, 104.21.71.182`
AAAA	2	`2606:4700:3034::ac43:93f9, 2606:4700:3034::6815:47b6`
NS	2	`alex.ns.cloudflare.com, demi.ns.cloudflare.com`
MX	1	`mail.sky-shop.pl (pri: 0)`
TXT	2	`62907726527b36589c3090367f522a25f75f8c28, v=spf1 a mx include:_spf.sky-shop.pl -al`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alex.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

centrumobd.com.pl maps to four IP numbers: 2606:4700:3034::6815:47b6, 2606:4700:3034::ac43:93f9, 104.21.71.182 and 172.67.147.249.

other host names include www.ayarteknik.net, siampros88.net, tme.coffee, www.1websdirectory.com and extremebikini.com; they share IP numbers with centrumobd.com.pl.

Name Servers

Two name servers alex.ns.cloudflare.com and demi.ns.cloudflare.com handle the delegation for centrumobd.com.pl.

centrumobd.com.pl shares the same name server setup as other domains, for instance mylocalplasterer.com, muddybuggies.co.uk, agropak.in, diamondcandles.com and sochaczew.info.pl.

centrumobd.com.pl at least partially shares name servers with other domains, for instance tongues.io, fsqsiwx.com, sethar.rest, hellerproductionsinc.com and statenislandbeauty.com.

These name servers are commonly used with dora.ns.cloudflare.com, coco.ns.cloudflare.com, jose.ns.cloudflare.com, martin.ns.cloudflare.com and gail.ns.cloudflare.com.

Six IP addresses per host:

alex.ns.cloudflare.com points to 2606:4700:58::adf5:3b64, 2803:f800:50::6ca2:c164, 2a06:98c1:50::ac40:2164, 108.162.193.100, 172.64.33.100 and 173.245.59.100; demi.ns.cloudflare.com points to 2606:4700:50::adf5:3a5f, 2803:f800:50::6ca2:c05f, 2a06:98c1:50::ac40:205f, 108.162.192.95, 172.64.32.95 and 173.245.58.95

Mail Servers

centrumobd.com.pl is handled by a single mail server, mail.sky-shop.pl.

centrumobd.com.pl uses the same mail server setup as other domains, for instance lesens.pl, wygodnie.com, unotel.pl, e-kreatywni.pl and tom-pak.com.

centrumobd.com.pl shares at least partially some mail servers with other domains, for instance eltkom.pl, aqua-swim.pl, e-arkadia.com, kafelki.net and zensa.pl.

The host name mail.sky-shop.pl points to IP 188.68.234.161.

centrumobd.com.pl - robtex.com