4tech.pl - dns.ninja

`4tech.pl`

DNSSEC	⚠️ Not signed
A	78.10.197.123^{🇵🇱 AS-NETIA78.8.0.0/14 NETIA Netia SA Poleczki 13 02-822 Warszawa Poland}
		PTR	`windn.4tech.com.pl.197.10.78.in-addr.arpa`
A	84.10.27.150^{🇵🇱 AS914184.10.0.0/18}
NS	`a.misconfigured.powerdns.server` ⭐
NS	`ns1.rgb365.eu`
		A	81.186.225.254^{🇵🇱 NFB-AS81.186.224.0/20 Digital Media Technology Sp. z o.o.}
			PTR	`51bae1fe.as35174.net`
NS	`ns2.rgb365.eu`
		A	81.186.226.254^{🇵🇱 NFB-AS81.186.224.0/20 Digital Media Technology Sp. z o.o.}
			PTR	`rev-226-254.dmtec.eu`
MX	`windu.4tech.pl` ⭐
		A	84.10.27.150^{🇵🇱 AS914184.10.0.0/18}
			PTR	`windu.4tech.com.pl`
MX	`windn.4tech.pl`⁽²⁰⁾
		A	78.10.197.123^{🇵🇱 AS-NETIA78.8.0.0/14 NETIA Netia SA Poleczki 13 02-822 Warszawa Poland}
			PTR	`windn.4tech.com.pl.197.10.78.in-addr.arpa`
TXT	`google-site-verification=xoRkwleQWlnekfkB1w7X2IInXogwOohqQpdv92TGUy8`
SOA	`a.misconfigured.powerdns.server`hostmaster@4tech.pl 2023-08-01 #13

`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=1786429977

Subdomains

windn.4tech.pl

windu.4tech.pl

Same first word

4tech.gr

4tech.com.pl

4tech.vn

4tech.com.au

4tech.pl

4tech.fr

4tech.co.kr

4tech.com.mx

4tech.dk

4tech.cz

4tech.ca

4tech.com

4tech.ir

4tech.be

4tech.ch

4tech.co.tz

4tech.software

4tech.co.za

4tech.cn

4tech.online

4tech.mobi

4tech.eu

4tech.no

4tech.ai

4tech.im

4tech.ro

4tech.com.tr

4tech.info

4tech.srv.br

4tech.nl

Similar names

tech4.biz

tech4.nl

tec4h.com

4etch.com

tech4.pl

tech4.club

tech4.live

tech4.marketing

tech4.ca

tech4.de

4thec.com

tech4.co.uk

tech4.eu

the4c.co.uk

tech4.pro

tech4.no

tech4.be

tech4.nyc

tech4.me

tech4.org

tech4.business

tech4.net

the4c.com

tech4.ir

tech4.ru

tech4.net.au

tech4.tv

tech4.info

tech4.com

DNS History

14 records (7 active, 7 former)

●NSa.misconfigured.powerdns.server2026-03-13 → 2026-08-11 · 3 obs

○ 2016-11-03 17:16:56
● 2026-03-13 06:25:34
● 2026-08-11 18:17:36

○NSdns.home.pl2015-07-05 → 2016-01-19 · 4 obs

● 2015-07-05 12:39:28
● 2016-01-19 08:22:48
○ 2016-04-09 09:23:36
○ 2026-08-11 18:17:36

○NSdns2.home.pl2015-07-05 → 2016-01-19 · 4 obs

● 2015-07-05 12:39:28
● 2016-01-19 08:22:48
○ 2016-04-09 09:23:36
○ 2026-08-11 18:17:36

○NSdns3.home.pl2015-07-05 → 2016-01-19 · 4 obs

● 2015-07-05 12:39:28
● 2016-01-19 08:22:48
○ 2016-04-09 09:23:36
○ 2026-08-11 18:17:36

●NSns1.rgb365.eu2026-03-13 → 2026-08-11 · 3 obs

○ 2016-11-03 17:16:56
● 2026-03-13 06:25:34
● 2026-08-11 18:17:36

●NSns2.rgb365.eu2026-03-13 → 2026-08-11 · 3 obs

○ 2016-11-03 17:16:56
● 2026-03-13 06:25:34
● 2026-08-11 18:17:36

○NSns2.uti.com.pl2016-04-09 → 2016-11-03 · 5 obs

○ 2016-01-19 08:22:48
● 2016-04-09 09:23:36
● 2016-11-03 17:16:56
○ 2026-03-13 06:25:34
○ 2026-08-11 18:17:36

○NSns3.uti.com.pl2016-04-09 → 2016-11-03 · 5 obs

○ 2016-01-19 08:22:48
● 2016-04-09 09:23:36
● 2016-11-03 17:16:56
○ 2026-03-13 06:25:34
○ 2026-08-11 18:17:36

○MXwindn.4tech.com.pl2015-07-05 → 2016-01-19 · 4 obs

● 2015-07-05 12:39:28
● 2016-01-19 08:22:48
○ 2016-04-09 09:23:36
○ 2026-08-11 18:17:36

●MXwindn.4tech.pl2016-04-09 → 2026-08-11 · 3 obs

○ 2016-01-19 08:22:48
● 2016-04-09 09:23:36
● 2026-08-11 18:17:36

○MXwindu.4tech.com.pl2015-07-05 → 2016-01-19 · 4 obs

● 2015-07-05 12:39:28
● 2016-01-19 08:22:48
○ 2016-04-09 09:23:36
○ 2026-08-11 18:17:36

●MXwindu.4tech.pl2016-04-09 → 2026-08-11 · 3 obs

○ 2016-01-19 08:22:48
● 2016-04-09 09:23:36
● 2026-08-11 18:17:36

●A78.10.197.1232015-07-05 → 2026-08-11 · 6 obs

● 2015-07-05 12:39:28
● 2016-01-19 08:22:48
○ 2016-04-09 09:23:36
○ 2016-11-03 17:16:56
● 2026-03-13 06:25:34
● 2026-08-11 18:17:36

●A84.10.27.1502016-04-09 → 2026-08-11 · 3 obs

○ 2016-01-19 08:22:48
● 2016-04-09 09:23:36
● 2026-08-11 18:17:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	f-dns.pl, b-dns.pl, j-dns.pl, h-dns.pl...	-
4tech.pl	ns2.rgb365.eu, ns1.rgb365.eu	-

✅ Authoritative Response

Server:81.186.225.254

NS records: ns2.rgb365.eu, ns1.rgb365.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4tech.pl (unsigned zone)

⏱️ Timing

Total: 820ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`84.10.27.150, 78.10.197.123`
NS	2	`ns1.rgb365.eu, ns2.rgb365.eu`
MX	2	`windn.4tech.pl (pri: 20), windu.4tech.pl (pri: 10)`
TXT	1	`google-site-verification=xoRkwleQWlnekfk`
SOA	1	`a.misconfigured.powerdns.server hostmast`

Analysis

Hierarchy

The parent domain of windn.4tech.pl and windu.4tech.pl is 4tech.pl.

IP Addresses

4tech.pl has two IP addresses: 78.10.197.123 and 84.10.27.150

Among the host names that share IP numbers with 4tech.pl are www.4tech.com.pl, cmms24.com, 4tech.com.pl and two others.

Name Servers

The authoritative name servers for 4tech.pl are ns1.rgb365.eu, ns2.rgb365.eu and a.misconfigured.powerdns.server — three in total.

There is at least partial name server overlap between 4tech.pl and other domains — brightcenter.net, xn--o70bt1c13nkjdlxt.com, jihite.com and two more among them.

These name servers regularly appear alongside ns3.cypack.com, ns4.cypack.com, ns1.ipbery.com and 3 other name servers in NS record sets.

ns1.rgb365.eu → 81.186.225.254 and ns2.rgb365.eu → 81.186.226.254: one IP number per host name.

Mail Servers

The MX records for 4tech.pl point to two mail servers: windn.4tech.pl and windu.4tech.pl.

4tech.pl and domains like plan9000.net share an identical mail server configuration.

windn.4tech.pl → 78.10.197.123 and windu.4tech.pl → 84.10.27.150: one IP number per host name.