`core.centrumdns.pl`

DNSSEC	⚠️ Not signed
A	77.65.215.5^{🇵🇱 PROGRESO77.65.212.0/22}
		PTR	`p5202.progreso.pl`

`centrumdns.pl`

	DNSSEC	⚠️ Not signed
	A	77.65.215.5^{🇵🇱 PROGRESO77.65.212.0/22}
	NS	`d.ns1.pl` ⭐
	NS	`d.ns2.pl`
	MX	`mx1.progreso.pl` ⭐
	MX	`mx2.progreso.pl`⁽¹⁰⁾
	MX	`mx3.progreso.pl`⁽¹⁰⁾
	TXT	`v=spf1 include:_spf.progreso.pl -all`
	SOA	`d.ns1.pl`hostmaster@konta.pl 2026-07-17 #4

Same first word

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core.gen.tr

core.org.pt

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core.cards

core.bot

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core.s3.amazonaws.com

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core.pm

core.live

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core.golf

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core.fm

core.ch

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core.engineering

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core.guru

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core.love

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core.org

Similar names

reoc.com

creo.eu

creo.zone

orec.de

cero.be

ecor.eu

reco.promo

reco.mobi

reco.shop

creo.mobi

coer.org.nz

ceor.ru

erco.com

creo.cn

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ocre.co.uk

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cero.cn

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eocr.sh.cn

cero.technology

coer.ru

reco.services

orec.co.jp

creo.com.mx

reco.hu

ecro.ru

ecor.online

eroc.co.uk

erco.mx

eorc.ir

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creo.uz

ocre.cn

creo.es

ecor.co

reco.ir

coer.cz

ocre.mx

creo.com.pl

ecor.org

oerc.org.uk

creo.hu

oecr.de

erco.eu

creo.dk

reco.nl

reco.it

ecro.ca

cero.capital

oerc.com

ecor.fr

roec.cn

creo.se

ceor.bplaced.net

orec.ca

erco.us

DNS History

9 records (1 active, 8 former)

○NSd.ns1.pl2015-11-18 → 2016-06-21 · 4 obs

● 2015-11-18 09:34:14
● 2016-06-21 07:01:02
○ 2026-06-12 22:55:14
○ 2026-08-09 01:42:32

○NSd.ns2.pl2015-11-18 → 2016-06-21 · 4 obs

● 2015-11-18 09:34:14
● 2016-06-21 07:01:02
○ 2026-06-12 22:55:14
○ 2026-08-09 01:42:32

○MXmx1.centrumdns.pl2015-11-18 → 2016-06-21 · 4 obs

● 2015-11-18 09:34:14
● 2016-06-21 07:01:02
○ 2026-06-12 22:55:14
○ 2026-08-09 01:42:32

○MXmx2.centrumdns.pl2015-11-18 → 2016-06-21 · 4 obs

● 2015-11-18 09:34:14
● 2016-06-21 07:01:02
○ 2026-06-12 22:55:14
○ 2026-08-09 01:42:32

○MXmx3.centrumdns.pl2015-11-18 → 2016-06-21 · 4 obs

● 2015-11-18 09:34:14
● 2016-06-21 07:01:02
○ 2026-06-12 22:55:14
○ 2026-08-09 01:42:32

○A77.65.215.142026-06-12 → 2026-06-12 · 4 obs

○ 2016-06-21 07:01:02
● 2026-06-12 22:55:14
○ 2026-07-27 09:21:10
○ 2026-08-09 01:42:32

●A77.65.215.52026-07-27 → 2026-08-09 · 3 obs

○ 2026-06-12 22:55:14
● 2026-07-27 09:21:10
● 2026-08-09 01:42:32

○A77.79.245.902015-07-21 → 2016-06-21 · 4 obs

● 2015-07-21 04:29:38
● 2016-06-21 07:01:02
○ 2026-06-12 22:55:14
○ 2026-08-09 01:42:32

○CNAMEcentrumdns.pl2015-07-21 → 2016-06-21 · 4 obs

● 2015-07-21 04:29:38
● 2016-06-21 07:01:02
○ 2026-06-12 22:55:14
○ 2026-08-09 01:42:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, j-dns.pl, h-dns.pl, f-dns.pl...	-
centrumdns.pl	d.ns1.pl, d.ns2.pl	2 records

✅ Authoritative Response

Server:77.65.215.254

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centrumdns.pl (unsigned zone)

⏱️ Timing

Total: 573ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.65.215.5`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

core.centrumdns.pl has exactly one IP address — 77.65.215.5.

blog.europe-mountains.com, ekotex.com.pl, kompo.pl plus two other host names have IP numbers in common with core.centrumdns.pl.

core.centrumdns.pl - robtex.com