`nauczaj.com`

DNSSEC	⚠️ Not signed
A	86.111.242.155^{🇵🇱 IQPL-AS86.111.240.0/21 IQ-PL}
		PTR	`r242-155.iq.pl`
NS	`ns1.iq.pl` ⭐
		A	86.111.241.10^{🇵🇱 IQPL-AS86.111.240.0/21 IQ-PL}
			PTR	`ns1.iq.pl`
NS	`ns2.iq.pl`
		A	87.98.237.225^{🇵🇱 OVH87.98.128.0/17 ISP Paris, France}
			PTR	`ns2.iq.pl`
MX	`mx1.iq.pl` ⭐
		A	86.111.241.159^{🇵🇱 IQPL-AS86.111.240.0/21 IQ-PL}
			PTR	`mx1.iq.pl`
MX	`mail.iq.pl`⁽⁵⁾
		A	86.111.241.4^{🇵🇱 IQPL-AS86.111.240.0/21 IQ-PL}
			PTR	`mail.iq.pl`
TXT	`v=spf1 a mx ptr ip4:86.111.240.0/21 -all`
SOA	`ns1.iq.pl`dns@iq.pl 2026-04-15 #4

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778579471

Same first word

nauczaj.pl

nauczaj.com

DNS History

6 records (5 active, 1 former)

●NSns1.iq.pl2008-03-14 → 2026-05-12 · 2 obs

● 2008-03-14 21:46:44
● 2026-05-12 10:02:38

●NSns2.iq.pl2008-03-14 → 2026-05-12 · 2 obs

● 2008-03-14 21:46:44
● 2026-05-12 10:02:38

●MXmail.iq.pl2008-03-14 → 2026-05-12 · 5 obs

● 2008-03-14 21:46:44
● 2026-04-04 22:54:30
○ 2026-04-13 14:15:30
● 2026-05-07 03:47:38
● 2026-05-12 10:02:38

●MXmx1.iq.pl2008-03-14 → 2026-05-12 · 5 obs

● 2008-03-14 21:46:44
● 2026-04-04 22:54:30
○ 2026-04-13 14:15:30
● 2026-05-07 03:47:38
● 2026-05-12 10:02:38

○A86.111.241.392008-03-14 → 2015-12-22 · 4 obs

● 2008-03-14 21:46:44
● 2015-12-22 05:51:06
○ 2016-03-27 14:51:16
○ 2026-05-12 10:02:38

●A86.111.242.1552016-03-27 → 2026-05-12 · 6 obs

○ 2015-12-22 05:51:06
● 2016-03-27 14:51:16
● 2026-04-04 22:54:30
○ 2026-04-13 14:15:30
● 2026-05-07 03:47:38
● 2026-05-12 10:02:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
nauczaj.com	ns1.iq.pl, ns2.iq.pl	-

✅ Authoritative Response

Server:87.98.237.225

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nauczaj.com (unsigned zone)

⏱️ Timing

Total: 732ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`86.111.242.155`
NS	2	`ns2.iq.pl, ns1.iq.pl`
MX	2	`mx1.iq.pl (pri: 1), mail.iq.pl (pri: 5)`
TXT	1	`v=spf1 a mx ptr ip4:86.111.240.0/21 -all`
SOA	1	`ns1.iq.pl dns.iq.pl`

Analysis

IP Addresses

nauczaj.com resolves to a single IP address: 86.111.242.155.

Other host names including symphar.com, s102-erokat.notohop.proste.pl, asiowepole.proste.pl, webserv.pl and r242-155.iq.pl share IP numbers with nauczaj.com.

Name Servers

nauczaj.com's delegation uses two name servers, ns1.iq.pl and ns2.iq.pl.

nauczaj.com shares the same name server setup as other domains, for example domofony.net, domexpertswidnik.pl, grobelak.com, arma.com.pl and elceser.com.

nauczaj.com at least partially shares name servers with other domains, including r244-64.iq.pl, mojefibo.pl, r245-213.iq.pl, nigi.in and morad.sk.

These name servers are often used together with ns3.iq.pl.

Host names with a single IP:

ns1.iq.pl points to 86.111.241.10.

ns2.iq.pl points to 87.98.237.225.

Mail Servers

nauczaj.com is handled by two mail servers: mail.iq.pl and mx1.iq.pl.

nauczaj.com shares its mail server setup with other domains, including bwo.pl, fotopasja.pl, stykala.pl, wilczeranczo.pl and skropol.pl.

The mail servers for nauczaj.com are shared with other domains, for instance jasionowka.edu.pl, legalrow.net, kurjerzy.pl, itcare.pl and oknoplast.com.pl.