sys.mbyte.pl - dns.ninja

`sys.mbyte.pl`

DNSSEC	⚠️ Not signed
A	51.83.213.146^{🇫🇷 OVH51.83.0.0/16}
		PTR	`sys.mbyte.pl`
NS	`ns1.serwery.mazury.pl` ⭐ ⚠️ Not in parent delegation
		A	51.68.152.183^{🇫🇷 OVH51.68.0.0/16}
			PTR	`sys.serwery.mazury.pl`
NS	`ns2.serwery.mazury.pl` ⚠️ Not in parent delegation
		A	51.83.213.146^{🇫🇷 OVH51.83.0.0/16}
			PTR	`sys.mbyte.pl`
MX	`mail.sys.mbyte.pl` ⭐
		A	51.83.213.146^{🇫🇷 OVH51.83.0.0/16}
			PTR	`sys.mbyte.pl`
TXT	`v=spf1 a mx ip4:51.68.152.183 ip4:51.83.213.146 include:spf.mbyte.pl ~all`
SOA	`ns1.serwery.mazury.pl`hostmaster@sys.mbyte.pl 2020-11-15 #1

`mbyte.pl`

	DNSSEC	⚠️ Not signed
	A	51.83.213.146^{🇫🇷 OVH51.83.0.0/16}
	NS	`ns1.mbyte.pl` ⭐
	NS	`ns2.mbyte.pl`
	MX	`mail.mbyte.pl` ⭐
	TXT	`v=spf1 a mx ip4:51.68.152.183 ip4:51.83.213.146 ~all`
	SOA	`ns1.mbyte.pl`hostmaster@mbyte.pl 2025-12-26 #0

PTR for

146.213.83.51.in-addr.arpa

Subdomains

mail.sys.mbyte.pl

Same first word

sys.lv

sys.uz

sys.com.py

sys.co.tz

sys.ma

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sys.guru

sys.ca

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sys.de

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sys.ms

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sys.schwarz

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sys.com.mx

sys.in

sys.pl

sys.com.co

sys.ge

sys.zapto.org

Similar names

yss.ac.th

yss.net

ssy.su

yss.com.tw

yss.org.uk

yss.dk

yss.co.uk

yss.co.th

ssy.org.uk

yss.ch

ssy.hu

ssy.es

ssy.co.uk

yss.es

yss.co.il

ssy.de

ssy.in

ssy.be

yss.com.au

yss.vn

ssy.me

ssy.cn

yss.it

yss.or.id

yss.ru

ssy.dk

ssy.org

yss.co.jp

ssy.net

ssy.org.tw

ssy.ch

yss.ne.jp

yss.or.kr

yss.nl

ssy.cl

ssy.im

DNS History

4 records (4 active, 0 former)

●NSns1.serwery.mazury.pl2026-06-30 → 2026-07-13 · 2 obs

● 2026-06-30 20:37:24
● 2026-07-13 08:49:26

●NSns2.serwery.mazury.pl2026-06-30 → 2026-07-13 · 2 obs

● 2026-06-30 20:37:24
● 2026-07-13 08:49:26

●MXmail.sys.mbyte.pl2026-06-30 → 2026-07-13 · 2 obs

● 2026-06-30 20:37:24
● 2026-07-13 08:49:26

●A51.83.213.1462026-06-30 → 2026-07-13 · 2 obs

● 2026-06-30 20:37:24
● 2026-07-13 08:49:26

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:51.68.152.183

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mbyte.pl (unsigned zone)

⏱️ Timing

Total: 498ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.83.213.146`
NS	2	`ns1.serwery.mazury.pl, ns2.serwery.mazury.pl`
MX	1	`mail.sys.mbyte.pl (pri: 10)`
TXT	1	`v=spf1 a mx ip4:51.68.152.183 ip4:51.83.`
SOA	1	`ns1.serwery.mazury.pl hostmaster.sys.mby`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

mail.sys.mbyte.pl is a subdomain of sys.mbyte.pl.

IP Addresses

sys.mbyte.pl has exactly one IP address — 51.83.213.146.

mail.uzdrowiskogoldap.pl, mail.egoldap.pl, mail.sys.mbyte.pl plus two other host names have IP numbers in common with sys.mbyte.pl.

Name Servers

sys.mbyte.pl has two authoritative name servers — ns1.serwery.mazury.pl and ns2.serwery.mazury.pl.

The name server configuration of sys.mbyte.pl is shared with other domains, for instance goldmedica.pl, osirgoldap.pl, kultura.mazury.pl and two others.

The name servers for sys.mbyte.pl overlap at least partially with those of other domains — for example uzdrowiskogoldap.pl.

These name servers commonly appear in combination with the name servers jill.ns.cloudflare.com.uzdrowiskogoldap.pl.

Both ns1.serwery.mazury.pl and ns2.serwery.mazury.pl have a single IP address each — ns1.serwery.mazury.pl resolves to 51.68.152.183 while ns2.serwery.mazury.pl resolves to 51.83.213.146.

Mail Servers

sys.mbyte.pl uses one mail server — mail.sys.mbyte.pl.

mail.sys.mbyte.pl points to one IP number — 51.83.213.146.