`studzinski.com.pl`

DNSSEC	⚠️ Not signed
A	91.211.222.69^{🇵🇱 AS-SMARTHOST-PL91.211.220.0/22 Smarthost - european hosting}
		PTR	`server-ac69.rev.smarthost.pl`
NS	`dns2.smarthost.pl` ⭐
		A	2001:678:63c:0:9:c15d:580a:1^{🇵🇱 AS-SMARTHOST-PL2001:678:63c::/48 Smarthost - european hosting}
			PTR	`server-ba10.rev6.smarthost.pl`
		A	193.93.88.10^{🇵🇱 AS-SMARTHOST-PL193.93.88.0/22 TRUSTNET}
			PTR	`server-ba10.rev.smarthost.pl`
NS	`dns.smarthost.pl` ⚠️ Not in parent delegation
		A	2001:678:63c:0:9:5bd3:dc0a:1^{🇵🇱 AS-SMARTHOST-PL2001:678:63c::/48 Smarthost - european hosting}
			PTR	`server-aa10.rev6.smarthost.pl`
		A	91.211.220.10^{🇵🇱 AS-SMARTHOST-PL91.211.220.0/22 Smarthost - european hosting}
			PTR	`server-aa10.rev.smarthost.pl`
NS	`dns3.smarthost.pl`
		A	2001:41d0:203:58c3:0:335b:1bc3:1^{🇫🇷 OVH2001:41d0::/32 IPv6}
			PTR	`dns3.smarthost.pl`
		A	51.91.27.195^{🇫🇷 OVH51.91.0.0/16}
			PTR	`dns3.smarthost.pl`
MX	`studzinski-com-pl.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::c^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00304.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`MS=ms31585897`
TXT	`v=spf1 ip4:91.211.220.50 ip4:91.211.222.69 +a +mx +ip4:91.211.220.37 +ip4:91....`
TXT	`google-site-verification=pj51gzM6xaqglVycUSZkA5pVYznkKuDxuPip7u3m6ok`
SOA	`dns.smarthost.pl`info@rekinysukcesu.pl 2026-04-09 #2

`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=1776925986

Previously MX for

studzinski.com.pl

Subdomains

poczta.studzinski.com.pl

Same first word

studzinski.com.pl

DNS History

15 records (5 active, 10 former)

●NSdns.smarthost.pl2017-03-18 → 2026-04-24 · 3 obs

○ 2016-07-04 01:43:38
● 2017-03-18 05:58:34
● 2026-04-24 01:43:50

●NSdns2.smarthost.pl2017-03-18 → 2026-04-24 · 3 obs

○ 2016-07-04 01:43:38
● 2017-03-18 05:58:34
● 2026-04-24 01:43:50

●NSdns3.smarthost.pl2017-03-18 → 2026-04-24 · 3 obs

○ 2016-07-04 01:43:38
● 2017-03-18 05:58:34
● 2026-04-24 01:43:50

○NSns1.nazwa.pl2015-06-21 → 2015-11-10 · 4 obs

● 2015-06-21 01:36:40
● 2015-11-10 07:48:30
○ 2016-03-02 16:21:02
○ 2026-04-24 01:43:50

○NSns1.va.pl2016-03-02 → 2016-07-04 · 5 obs

○ 2015-11-10 07:48:30
● 2016-03-02 16:21:02
● 2016-07-04 01:43:38
○ 2017-03-18 05:58:34
○ 2026-04-24 01:43:50

○NSns2.nazwa.pl2015-06-21 → 2015-11-10 · 4 obs

● 2015-06-21 01:36:40
● 2015-11-10 07:48:30
○ 2016-03-02 16:21:02
○ 2026-04-24 01:43:50

○NSns2.va.pl2016-03-02 → 2016-07-04 · 5 obs

○ 2015-11-10 07:48:30
● 2016-03-02 16:21:02
● 2016-07-04 01:43:38
○ 2017-03-18 05:58:34
○ 2026-04-24 01:43:50

○NSns3.nazwa.pl2015-06-21 → 2015-11-10 · 4 obs

● 2015-06-21 01:36:40
● 2015-11-10 07:48:30
○ 2016-03-02 16:21:02
○ 2026-04-24 01:43:50

○MXmail.studzinski.com.pl2016-03-02 → 2016-07-04 · 5 obs

○ 2015-11-10 07:48:30
● 2016-03-02 16:21:02
● 2016-07-04 01:43:38
○ 2017-03-18 05:58:34
○ 2026-04-24 01:43:50

●MXstudzinski-com-pl.mail.protection.outlook.com2026-03-07 → 2026-04-24 · 3 obs

○ 2017-03-18 05:58:34
● 2026-03-07 12:49:16
● 2026-04-24 01:43:50

○MXstudzinski.com.pl2015-06-21 → 2017-03-18 · 6 obs

● 2015-06-21 01:36:40
● 2015-11-10 07:48:30
○ 2016-03-02 16:21:02
● 2017-03-18 05:58:34
○ 2026-03-07 12:49:16
○ 2026-04-24 01:43:50

○A178.33.232.2302016-03-02 → 2016-07-04 · 5 obs

○ 2015-11-10 07:48:30
● 2016-03-02 16:21:02
● 2016-07-04 01:43:38
○ 2017-03-18 05:58:34
○ 2026-04-24 01:43:50

○A85.128.223.1932015-06-21 → 2015-11-10 · 4 obs

● 2015-06-21 01:36:40
● 2015-11-10 07:48:30
○ 2016-03-02 16:21:02
○ 2026-04-24 01:43:50

○A91.211.222.1542017-03-18 → 2017-03-18 · 4 obs

○ 2016-07-04 01:43:38
● 2017-03-18 05:58:34
○ 2026-03-07 12:49:16
○ 2026-04-24 01:43:50

●A91.211.222.692026-03-07 → 2026-04-24 · 3 obs

○ 2017-03-18 05:58:34
● 2026-03-07 12:49:16
● 2026-04-24 01:43:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, f-dns.pl, d-dns.pl, b-dns.pl...	-
studzinski.com.pl	dns.smarthost.pl, dns2.smarthost.pl	-

✅ Authoritative Response

Server:193.93.88.10

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1390ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.211.222.69`
NS	3	`dns3.smarthost.pl, dns.smarthost.pl...`
MX	1	`studzinski-com-pl.mail.protection.outloo`
TXT	3	`MS=ms31585897, v=spf1 ip4:91.211.220.50 ip4:91.211.222....`
SOA	1	`dns.smarthost.pl info.rekinysukcesu.pl`

Analysis

Hierarchy

studzinski.com.pl is the parent of poczta.studzinski.com.pl.

IP Addresses

studzinski.com.pl points to a single IP number: 91.211.222.69.

other host names for instance marmas.pl, idealnywzrok.pl, mail.nolimits.art.pl, luxartis.pl and euro-dom.pl share IP numbers with studzinski.com.pl.

Name Servers

studzinski.com.pl is delegated to three name servers: dns2.smarthost.pl, dns3.smarthost.pl and dns.smarthost.pl.

studzinski.com.pl at least partially shares name servers with other domains, for instance margraf.com.pl, cyberfoto.czest.pl, optyk.poznan.pl, mojlokal.pl and uromedyk.pl.

These name servers are often used with dns2.mbnet.pl and dns.mbnet.pl.

Host names with two IP numbers:

Host dns2.smarthost.pl points to 2001:678:63c:0:9:c15d:580a:1 and 193.93.88.10.

Host dns3.smarthost.pl points to 2001:41d0:203:58c3:0:335b:1bc3:1 and 51.91.27.195.

Host dns.smarthost.pl points to 2001:678:63c:0:9:5bd3:dc0a:1 and 91.211.220.10.

Mail Servers

studzinski.com.pl is handled by a single mail server, studzinski-com-pl.mail.protection.outlook.com.

Host name studzinski-com-pl.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::b, 2a01:111:f403:ca09::b, 2a01:111:f403:ca09::c, 2a01:111:f403:ca09::d, 52.101.68.8, 52.101.68.36, 52.101.73.22 and 52.101.73.30.

studzinski.com.pl - robtex.com