`ns4.open.pl`

CNAME	`open.pl`
DNSSEC	⚠️ Not signed
A	162.159.136.54^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	162.159.137.54^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns2.home.pl` ⭐
		A	2001:8d8:fe:53:6870::2^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`dns2.home.pl`
		A	217.160.81.248^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`dns2.home.pl`
NS	`dns.home.pl` ⚠️ Not in parent delegation
		A	2001:8d8:fe:53:6870::1^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`dns.home.pl`
		A	217.160.80.244^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`dns.home.pl`
NS	`dns3.home.pl`
		A	2607:f1c0:fe:53:185:132:34:251^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`dns3.home.pl`
		A	185.132.34.251^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`dns3.home.pl`
MX	`mx1.emailsrvr.com` ⭐
		A	146.20.161.1^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`ip-146-20-161-1.defastlink.net`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		A	146.20.161.2^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx2.emailsrvr.com`
TXT	`v=spf1 include:emailsrvr.com ~all`
TXT	`verify-e68d3eb75bbbed46`
SOA	`dns.home.pl`admin@home.pl serial=406582560

`open.pl`

	DNSSEC	⚠️ Not signed
	A	162.159.136.54^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	162.159.137.54^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	NS	`dns2.home.pl` ⭐
	NS	`dns.home.pl` ⚠️ Not in parent delegation
	NS	`dns3.home.pl`
	MX	`mx1.emailsrvr.com` ⭐
	MX	`mx2.emailsrvr.com`⁽²⁰⁾
	TXT	`v=spf1 include:emailsrvr.com ~all`
	TXT	`verify-e68d3eb75bbbed46`
	SOA	`dns.home.pl`admin@home.pl serial=406582560

WOT: UNKNOWN (69/100)
WOT: SAFE (80/100)

Previously NS for

open.pl

openbrokers.pl

rentownafranczyza.pl

openbank.com.pl

openfinance.pl

openfinance.eu

noblemarkets.pl

openbank.pl

144.95.195.in-addr.arpa

openonline.pl

Same first word

ns4.biz

ns4.pr.gov.br

ns4.cl

ns4.j.scaleforce.net

ns4.no

ns4.gov.mn

ns4.net

ns4.sinaapp.com

ns4.org

ns4.mediatech.by

ns4.alp1.ae.flow.ch

ns4.nc.tr

ns4.nhs.uk

ns4.de

ns4.ddns.net

ns4.siteleaf.net

ns4.uz

ns4.us

ns4.dk

ns4.yandexcloud.net

ns4.myqnapcloud.com

ns4.site

ns4.fi

ns4.ms.gov.br

ns4.kasserver.com

ns4.lib.md.us

ns4.nz

ns4.es.gov.br

ns4.it.com

ns4.jelastic.saveincloud.net

ns4.in

ns4.cloudjiffy.net

ns4.cloudflare.net

ns4.gov.bh

ns4.fastly-edge.com

ns4.net.au

ns4.com

ns4.go.gov.br

ns4.nic.in

ns4.123hjemmeside.dk

ns4.com.br

ns4.fr

ns4.gov.az

ns4.co

ns4.in-berlin.de

ns4.hu

ns4.fj

ns4.ma.gov.br

ns4.ni

ns4.net.pl

ns4.to.gov.br

ns4.mycloudnas.com

ns4.is-a.dev

ns4.upsunapp.com

ns4.police.uk

ns4.mircloud.host

ns4.nl

ns4.uk

ns4.gov.rs

ns4.ie

ns4.mynascloud.com

ns4.dyndns.org

ns4.vg

ns4.ru

ns4.pe.gov.br

ns4.dev

ns4.gov.mu

ns4.co.kr

ns4.duckdns.org

ns4.mil.cn

ns4.fastlylb.net

ns4.altervista.org

ns4.gov.mo

ns4.gov.ao

Similar names

sn4.de

4ns.in

n4s.com

n4s.fr

sn4.ru

s4n.ru

n4s.ca

sn4.cc

n4s.ru

4ns.cn

4ns.hu

sn4.ch

4ns.net

s4n.net

s4n.org

sn4.fi

4sn.de

s4n.nl

4ns.pl

4ns.org

s4n.de

sn4.com.br

sn4.com

n4s.net

n4s.de

s4n.cc

n4s.cn

4ns.ru

sn4.org

n4s.co.uk

4ns.eu

s4n.com.br

n4s.fi

4sn.com

4sn.nl

sn4.co.uk

n4s.us

n4s.pl

4ns.su

n4s.org

4ns.com

DNS History

3 records (1 active, 2 former)

○A193.104.239.62015-08-17 → 2016-10-30 · 4 obs

● 2015-08-17 19:28:08
● 2016-10-30 08:32:34
○ 2016-11-20 23:15:08
○ 2026-03-28 07:01:02

○A195.95.144.32016-11-20 → 2021-09-08 · 5 obs

○ 2016-10-30 08:32:34
● 2016-11-20 23:15:08
● 2021-09-08 11:16:56
○ 2026-03-23 11:48:38
○ 2026-03-28 07:01:02

●CNAMEopen.pl2026-03-23 → 2026-03-28 · 2 obs

● 2026-03-23 11:48:38
● 2026-03-28 07:01:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
open.pl	dns.home.pl, dns2.home.pl	4 records

✅ Authoritative Response

Server:217.160.80.244

NS records: dns.home.pl, dns2.home.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for open.pl (unsigned zone)

⏱️ Timing

Total: 1117ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`open.pl`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns2.home.pl, dns.home.pl, dns2.home.pl...)

Analysis

IP Addresses

ns4.open.pl points to two IPs: 162.159.136.54 and 162.159.137.54.

Other host names including platodata.ai, rooftop.sk, lakiernik.net, voleatech.de and chilimath.com share IP numbers with ns4.open.pl.

Name Servers

ns4.open.pl is delegated to three name servers: dns2.home.pl, dns3.home.pl and dns.home.pl.

ns4.open.pl at least partially shares name servers with other domains, including 4ict.pl, cloudserver070013.home.pl, housekeeper.pl, cloudserver007870.home.pl and zwyklarozmowa.org.

Host names with two IP numbers:

dns2.home.pl points to: 2001:8d8:fe:53:6870::2 and 217.160.81.248

dns3.home.pl points to: 2607:f1c0:fe:53:185:132:34:251 and 185.132.34.251

dns.home.pl points to: 2001:8d8:fe:53:6870::1 and 217.160.80.244

Mail Servers

ns4.open.pl is handled by two mail servers: mx1.emailsrvr.com and mx2.emailsrvr.com.

ns4.open.pl shares its mail server setup with other domains, including debrasnider.com, beranked.com, lazyelm.com, interpacyachts.com and hindson.co.nz.

The mail servers for ns4.open.pl are shared with other domains, for instance teamcotraro.com, healthyheritage.net, nko.co.il, recorcholis.com.mx and timeless-electronix.com.

Host names with a single IP:

mx1.emailsrvr.com points to 146.20.161.1.

mx2.emailsrvr.com points to 146.20.161.2.

ns4.open.pl - robtex.com

ns4.open.pl

open.pl