`mcsnotebook.com.pl`

DNSSEC	⚠️ Not signed
A	89.40.144.137^{🇵🇱 DATASPACE89.40.144.0/22 IPv4 route for Dataspace P.S.A.}
		PTR	`host-8940144137.seohost-mail.eu`
NS	`ns1.seohost1.pl` ⭐ ⚠️ Not in parent delegation
		A	188.210.221.61^{🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
			PTR	`host-18821022161.seohost-mail.eu`
NS	`dns1.tanihost.org` ⚠️ Not in zone NS records
		A	188.210.223.170^{🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
			PTR	`host-188210223170.seohost-mail.eu`
NS	`dns2.tanihost.org` ⚠️ Not in zone NS records
		A	188.210.221.173^{🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
			PTR	`host-188210221173.seohost-mail.eu`
NS	`ns2.seohost1.pl` ⚠️ Not in parent delegation
		A	185.200.44.161^{🇵🇱 DATASPACE185.200.44.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
			PTR	`host-18520044161.seohost-mail.eu`
MX	`mail.mcsnotebook.com.pl` ⭐
		A	89.40.144.137^{🇵🇱 DATASPACE89.40.144.0/22 IPv4 route for Dataspace P.S.A.}
			PTR	`host-8940144137.seohost-mail.eu`
TXT	`v=spf1 redirect=_spf-h21.microhost.pl`
SOA	`ns1.seohost1.pl`hostmaster@mcsnotebook.com.pl 2026-03-22 #0

`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=1774596681

Subdomains

mail.mcsnotebook.com.pl

Same first word

mcsnotebook.com.pl

DNS History

7 records (6 active, 1 former)

●NSdns1.tanihost.org2026-03-12 → 2026-03-27 · 3 obs

○ 2020-03-01 09:23:58
● 2026-03-12 07:45:40
● 2026-03-27 12:16:52

●NSdns2.tanihost.org2026-03-12 → 2026-03-27 · 3 obs

○ 2020-03-01 09:23:58
● 2026-03-12 07:45:40
● 2026-03-27 12:16:52

●NSns1.seohost1.pl2020-03-01 → 2026-03-27 · 2 obs

● 2020-03-01 09:23:58
● 2026-03-27 12:16:52

●NSns2.seohost1.pl2020-03-01 → 2026-03-27 · 2 obs

● 2020-03-01 09:23:58
● 2026-03-27 12:16:52

●MXmail.mcsnotebook.com.pl2020-03-01 → 2026-03-27 · 2 obs

● 2020-03-01 09:23:58
● 2026-03-27 12:16:52

○A185.200.44.212020-03-01 → 2020-03-01 · 3 obs

● 2020-03-01 09:23:58
○ 2026-03-12 07:45:40
○ 2026-03-27 12:16:52

●A89.40.144.1372026-03-12 → 2026-03-27 · 3 obs

○ 2020-03-01 09:23:58
● 2026-03-12 07:45:40
● 2026-03-27 12:16:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
mcsnotebook.com.pl	dns2.tanihost.org, dns1.tanihost.org	-

✅ Authoritative Response

Server:188.210.221.173

NS records: dns2.tanihost.org, dns1.tanihost.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2062ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.40.144.137`
NS	2	`ns2.seohost1.pl, ns1.seohost1.pl`
MX	1	`mail.mcsnotebook.com.pl (pri: 10)`
TXT	1	`v=spf1 redirect=_spf-h21.microhost.pl`
SOA	1	`ns1.seohost1.pl hostmaster.mcsnotebook.c`

Analysis

Hierarchy

mcsnotebook.com.pl is the parent of mail.mcsnotebook.com.pl.

IP Addresses

mcsnotebook.com.pl resolves to one IP number: 89.40.144.137.

other host names including mail.maluszkowo.bialystok.pl, ahistoria.pl, maluszkowo.bialystok.pl, mail.hurtowniaodziezy-warszawa.pl and www.ahistoria.pl share IP numbers with mcsnotebook.com.pl.

Name Servers

mcsnotebook.com.pl is delegated to four name servers: dns1.tanihost.org, dns2.tanihost.org, ns1.seohost1.pl and ns2.seohost1.pl.

mcsnotebook.com.pl at least partially shares name servers with other domains, for instance roadracing.pl, 24meteo.pl, pupilion.pl, filmowenowosci.pl and pride-fashion.pl.

These name servers are commonly used with the following name servers: ns1.seo-host.pl, ns2.seo-host.pl, ns1.dobryserwer.net, ns2.dobryserwer.net, ns3.dobryserwer.net, dns3.tanihost.org, ns2.dobryhosting.info, ns4.dobryserwer.net, dns4.tanihost.org and ns1.dobryhosting.info.

Host names with one IP number: dns1.tanihost.org points to 188.210.223.170; dns2.tanihost.org points to 188.210.221.173; ns1.seohost1.pl points to 188.210.221.61; ns2.seohost1.pl points to 185.200.44.161.

Mail Servers

mcsnotebook.com.pl is handled by a single mail server, mail.mcsnotebook.com.pl.

mail.mcsnotebook.com.pl resolves to IP 89.40.144.137.

mcsnotebook.com.pl - robtex.com