sys.pl - dns.ninja

`sys.pl`

DNSSEC	⚠️ Not signed
A	82.146.251.183^{🇵🇱 PL-BYDMAN-EDU82.146.224.0/19 Educational Users University of Technology&Agriculture Bydgoszcz, Poland}
NS	`byd.pl` ⭐
		A	82.146.251.183^{🇵🇱 PL-BYDMAN-EDU82.146.224.0/19 Educational Users University of Technology&Agriculture Bydgoszcz, Poland}
NS	`ns1.byd.pl` ⚠️ Not in parent delegation
		A	82.146.251.81^{🇵🇱 PL-BYDMAN-EDU82.146.224.0/19 Educational Users University of Technology&Agriculture Bydgoszcz, Poland}
NS	`ns1.sys.pl` ⚠️ Not in zone NS records
		A	82.146.251.81^{🇵🇱 PL-BYDMAN-EDU82.146.224.0/19 Educational Users University of Technology&Agriculture Bydgoszcz, Poland}
NS	`ns2.byd.pl` ⚠️ Not in parent delegation
		A	82.146.251.82^{🇵🇱 PL-BYDMAN-EDU82.146.224.0/19 Educational Users University of Technology&Agriculture Bydgoszcz, Poland}
NS	`ns2.sys.pl` ⚠️ Not in zone NS records
		A	82.146.251.82^{🇵🇱 PL-BYDMAN-EDU82.146.224.0/19 Educational Users University of Technology&Agriculture Bydgoszcz, Poland}
MX	`sys-pl.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms94298923`
TXT	`HARICA-JkyIjkiZKsEKsTWa9ug`
SOA	`byd.pl`admin@byd.pl 2026-06-05 #3

`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=1782369158

Subdomains

ns1.sys.pl

ns2.sys.pl

Same first word

sys.solar

sys.as

sys.space

sys.ws

sys.com

sys.cool

sys.network

sys.org

sys.im

sys.cl

sys.codes

sys.biz

sys.red

sys.it.com

sys.co.kr

sys.club

sys.mobi

sys.pub

sys.builders

sys.care

sys.academy

sys.email

sys.garden

sys.srv.br

sys.center

sys.ag

sys.lu

sys.hu

sys.ms

sys.kim

sys.zone

sys.ba

sys.schwarz

sys.dk

sys.net

sys.vn

sys.com.mx

sys.in

sys.pl

sys.com.co

sys.ge

sys.zapto.org

sys.nl

sys.co.il

sys.me

sys.co.nz

sys.host

sys.ac

sys.net.tw

sys.com.my

sys.us

sys.ro

sys.report

sys.gdn

sys.systems

sys.group

sys.bio

sys.bet

sys.life

sys.fm

sys.fi

sys.jp

sys.support

sys.no

sys.hi.cn

sys.computer

sys.cc

sys.se

sys.co.jp

sys.lv

sys.uz

sys.com.py

sys.co.tz

sys.ma

sys.si

sys.co

sys.edu.hk

sys.net.tr

sys.cat

sys.es

sys.sg

sys.ad

sys.com.tr

sys.bg

sys.com.pe

sys.eti.br

sys.zip

sys.net.ru

sys.team

sys.ph

sys.goiania.br

sys.mx

sys.rocks

sys.social

sys.hk

sys.run

sys.sale

sys.md

sys.lc

sys.gr

sys.com.au

sys.net.mx

sys.ee

sys.lt

sys.net.pl

sys.best

sys.tax

sys.ltd

sys.net.nz

sys.js.cn

sys.guru

sys.ca

sys.com.gt

sys.de

sys.by

sys.dp.ua

sys.eu

sys.nu

sys.or.kr

sys.be

sys.com.ua

sys.ch

sys.ie

sys.one

sys.yt

sys.co.at

sys.sx

Similar names

ssy.gob.mx

yss.se

yss.in

ssy.cc

ssy.pl

yss.com.br

yss.sg

yss.kr

ssy.ru

yss.cz

yss.co

ssy.co

yss.com.ua

ssy.com

yss.org

ssy.co.jp

ssy.mobi

ssy.cn.com

ssy.co.kr

ssy.us

ssy.asia

yss.no

yss.tv

yss.com.tr

yss.co.za

yss.info

yss.su

yss.ca

yss.mobi

yss.cn

yss.ac.th

yss.net

ssy.su

yss.com.tw

yss.org.uk

yss.dk

yss.co.th

yss.ch

ssy.hu

ssy.es

DNS History

11 records (7 active, 4 former)

●NSbyd.pl2026-03-03 → 2026-06-25 · 3 obs

○ 2016-07-19 09:58:00
● 2026-03-03 18:35:12
● 2026-06-25 18:59:12

○NSdns.kolfer.com.pl2015-08-03 → 2016-07-19 · 4 obs

● 2015-08-03 12:05:18
● 2016-07-19 09:58:00
○ 2026-03-03 18:35:12
○ 2026-06-25 18:59:12

○NSdns2.kolfer.com.pl2015-08-03 → 2016-07-19 · 4 obs

● 2015-08-03 12:05:18
● 2016-07-19 09:58:00
○ 2026-03-03 18:35:12
○ 2026-06-25 18:59:12

●NSns1.byd.pl2026-03-03 → 2026-06-25 · 3 obs

○ 2016-07-19 09:58:00
● 2026-03-03 18:35:12
● 2026-06-25 18:59:12

●NSns1.sys.pl2026-03-03 → 2026-06-25 · 3 obs

○ 2016-07-19 09:58:00
● 2026-03-03 18:35:12
● 2026-06-25 18:59:12

●NSns2.byd.pl2026-03-03 → 2026-06-25 · 3 obs

○ 2016-07-19 09:58:00
● 2026-03-03 18:35:12
● 2026-06-25 18:59:12

●NSns2.sys.pl2026-03-03 → 2026-06-25 · 3 obs

○ 2016-07-19 09:58:00
● 2026-03-03 18:35:12
● 2026-06-25 18:59:12

○NStih.pl2015-08-03 → 2016-07-19 · 4 obs

● 2015-08-03 12:05:18
● 2016-07-19 09:58:00
○ 2026-03-03 18:35:12
○ 2026-06-25 18:59:12

●MXsys-pl.mail.protection.outlook.com2015-08-03 → 2026-06-25 · 2 obs

● 2015-08-03 12:05:18
● 2026-06-25 18:59:12

●A82.146.251.1832026-03-03 → 2026-06-25 · 3 obs

○ 2016-07-19 09:58:00
● 2026-03-03 18:35:12
● 2026-06-25 18:59:12

○A82.146.251.2522015-08-03 → 2016-07-19 · 4 obs

● 2015-08-03 12:05:18
● 2016-07-19 09:58:00
○ 2026-03-03 18:35:12
○ 2026-06-25 18:59:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
sys.pl	ns1.sys.pl, ns2.sys.pl	2 records

✅ Authoritative Response

Server:82.146.251.81

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sys.pl (unsigned zone)

⏱️ Timing

Total: 1252ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`82.146.251.183`
NS	2	`ns1.byd.pl, ns2.byd.pl`
MX	1	`sys-pl.mail.protection.outlook.com (pri:`
TXT	3	`HARICA-JkyIjkiZKsEKsTWa9ug, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`byd.pl admin.byd.pl`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.sys.pl, ns2.sys.pl)

Analysis

Hierarchy

sys.pl is the parent domain of ns1.sys.pl and ns2.sys.pl.

IP Addresses

sys.pl points to a single IP number: 82.146.251.183.

Additional host names — byd.pl, wsg.malbork.pl, wsg.slupsk.pl and two others — share IP numbers with sys.pl.

Name Servers

Delegation for sys.pl is to five name servers: byd.pl, ns1.byd.pl, ns2.byd.pl and two others.

sys.pl has at least partial name server overlap with other domains, such as isaps.pl, wsg.malbork.pl, wsg.slupsk.pl and two others.

dns2.kolfer.com.pl, dns.kolfer.com.pl and dns2.byd.pl — plus 3 other name servers — are commonly paired with these name servers.

Host names pointing to a single IP address:

byd.pl directs to 82.146.251.183.

ns1.byd.pl directs to 82.146.251.81.

ns2.byd.pl directs to 82.146.251.82.

ns1.sys.pl directs to 82.146.251.81.

ns2.sys.pl directs to 82.146.251.82.

Host names pointing to 82.146.251.81 IP addresses: ns1.byd.pl and ns1.sys.pl.

Host names pointing to 82.146.251.82 IP addresses: ns2.byd.pl and ns2.sys.pl.

Mail Servers

sys.pl has one mail server: sys-pl.mail.protection.outlook.com.

sys-pl.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.10, 52.101.68.15, 52.101.68.18 and 5 other.