`jerzyna.com`

DNSSEC	⚠️ Not signed
A	46.238.94.122^{🇵🇱 INEA-AS46.238.64.0/18 INEA Sp. z o.o.}
		PTR	`cassiopeia.jerzyna.com`
NS	`ns1.jerzyna.com` ⭐
		A	46.238.94.122^{🇵🇱 INEA-AS46.238.64.0/18 INEA Sp. z o.o.}
			PTR	`cassiopeia.jerzyna.com`
NS	`fns1.42.pl` ⚠️ Not in zone NS records
		A	79.98.145.34^{🇵🇱 NitroNet79.98.144.0/21 Nitronet Sp. z o.o.}
NS	`fns2.42.pl` ⚠️ Not in zone NS records
		A	2001:41d0:701:1100::66c^{🇩🇪 OVH2001:41d0::/32 IPv6}
			PTR	`fns2.42.pl`
		A	51.38.99.90^{🇫🇷 OVH51.38.0.0/16}
			PTR	`fns2.42.pl`
MX	`mail.jerzyna.com` ⭐
		A	46.238.94.122^{🇵🇱 INEA-AS46.238.64.0/18 INEA Sp. z o.o.}
			PTR	`cassiopeia.jerzyna.com`
TXT	`v=spf1 mx -all`
SOA	`ns1.jerzyna.com`biuro@zopan.pl 2025-11-03 #1

`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=1774839912

Subdomains

cassiopeia.jerzyna.com

mail.jerzyna.com

ns1.jerzyna.com

Same first word

jerzyna.com

DNS History

7 records (5 active, 2 former)

●NSfns1.42.pl2026-03-09 → 2026-03-30 · 3 obs

○ 2015-05-17 09:34:10
● 2026-03-09 02:56:22
● 2026-03-30 03:20:06

●NSfns2.42.pl2026-03-09 → 2026-03-30 · 3 obs

○ 2015-05-17 09:34:10
● 2026-03-09 02:56:22
● 2026-03-30 03:20:06

●NSns1.jerzyna.com2015-05-17 → 2026-03-30 · 2 obs

● 2015-05-17 09:34:10
● 2026-03-30 03:20:06

●MXmail.jerzyna.com2015-05-17 → 2026-03-30 · 2 obs

● 2015-05-17 09:34:10
● 2026-03-30 03:20:06

○A46.228.93.102015-10-20 → 2016-12-16 · 5 obs

○ 2015-05-17 09:34:10
● 2015-10-20 02:14:44
● 2016-12-16 11:51:20
○ 2026-03-09 02:56:22
○ 2026-03-30 03:20:06

●A46.238.94.1222026-03-09 → 2026-03-30 · 3 obs

○ 2016-12-16 11:51:20
● 2026-03-09 02:56:22
● 2026-03-30 03:20:06

○A85.221.132.1332015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 09:34:10
○ 2015-10-20 02:14:44
○ 2026-03-30 03:20:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jerzyna.com	fns1.42.pl, fns2.42.pl, ns1.jerzyna.com	1 record

✅ Authoritative Response

Server:51.38.99.90

NS records: fns1.42.pl, fns2.42.pl, ns1.jerzyna.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jerzyna.com (unsigned zone)

⏱️ Timing

Total: 3608ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.238.94.122`
NS	1	`ns1.jerzyna.com`
MX	1	`mail.jerzyna.com (pri: 10)`
TXT	1	`v=spf1 mx -all`
SOA	1	`ns1.jerzyna.com biuro.zopan.pl`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns1.jerzyna.com)

Analysis

Hierarchy

jerzyna.com is parent of cassiopeia.jerzyna.com, mail.jerzyna.com and ns1.jerzyna.com.

IP Addresses

jerzyna.com points to IP number 46.238.94.122.

Other host names include mail.jerzynska.pl, mail.jerzyna.com, ns1.jerzyna.com and cassiopeia.jerzyna.com that share IP numbers with jerzyna.com.

Name Servers

The delegation for jerzyna.com is handled by three name servers: ns1.jerzyna.com, fns1.42.pl and fns2.42.pl.

jerzyna.com shares name servers with other domains at least partially, for example f11.pl, wojtus.net, ogloszenia.warszawa.pl, byku.com.pl and intersiec.net.pl.

these name servers are often used with the following: ns1.prospect.pl, ns2.afraid.org, ns1.intersiec.net.pl, pns41.cloudns.net, pns42.cloudns.net, pns43.cloudns.net, pns44.cloudns.net, rtr-r0.systematic.pl, ns2.he.net and ns1.systemx.com.pl.

Host names with two IP numbers:

fns2.42.pl points to: 2001:41d0:701:1100::66c and 51.38.99.90.

Host names with one IP number:

ns1.jerzyna.com points to: 46.238.94.122.

fns1.42.pl points to: 79.98.145.34.

Mail Servers

jerzyna.com is handled by a single mail server, mail.jerzyna.com.

mail.jerzyna.com points to a single IP: 46.238.94.122.

jerzyna.com - robtex.com

jerzyna.com

com