`jacekostrowski.com`

DNSSEC	🔒 Signed (DS record present)
A	185.253.212.22^{🇵🇱 AS48707-OPS-PL185.253.212.0/24}
NS	`ns1.aftermarket.pl` ⭐
		A	185.253.213.10^{🇵🇱 AS48707-OPS-PL185.253.213.0/24}
			PTR	`ns1.aftermarket.pl`
NS	`ns2.aftermarket.pl`
		A	185.253.214.10^{🇵🇱 AS48707-OPS-PL185.253.214.0/24}
			PTR	`ns2.aftermarket.pl`
MX	`blackhole.aftermarket.pl` ⭐
		A	185.237.29.29^{🇵🇱 AS48707-OPS-PL185.237.29.0/24}
TXT	`v=spf1 mx -all`
SOA	`ns1.aftermarket.pl`kontakt@aftermarket.pl serial=2501180756

`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=1776196512

Same first word

jacekostrowski.com

DNS History

6 records (4 active, 2 former)

●NSns1.aftermarket.pl2026-04-04 → 2026-04-14 · 2 obs

● 2026-04-04 02:32:28
● 2026-04-14 20:08:48

●NSns2.aftermarket.pl2026-04-04 → 2026-04-14 · 2 obs

● 2026-04-04 02:32:28
● 2026-04-14 20:08:48

●MXblackhole.aftermarket.pl2026-04-04 → 2026-04-14 · 2 obs

● 2026-04-04 02:32:28
● 2026-04-14 20:08:48

●A185.253.212.222026-04-04 → 2026-04-14 · 3 obs

○ 2017-05-09 03:21:26
● 2026-04-04 02:32:28
● 2026-04-14 20:08:48

○A212.91.6.582017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 03:21:26
○ 2026-04-04 02:32:28
○ 2026-04-14 20:08:48

○A212.91.7.332017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 03:21:26
○ 2026-04-04 02:32:28
○ 2026-04-14 20:08:48

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:185.253.213.10

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 368ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.253.212.22`
NS	2	`ns2.aftermarket.pl, ns1.aftermarket.pl`
MX	1	`blackhole.aftermarket.pl (pri: 10)`
TXT	1	`v=spf1 mx -all`
SOA	1	`ns1.aftermarket.pl kontakt.aftermarket.p`

Analysis

IP Addresses

jacekostrowski.com points to IP number 185.253.212.22.

For instance, other host names ruru.pl, szwedek.pl, etransbus.pl, robtech.pl and v226-154-home.meganet.pl share IP numbers with jacekostrowski.com.

Name Servers

jacekostrowski.com is delegated to two name servers: ns1.aftermarket.pl and ns2.aftermarket.pl.

jacekostrowski.com uses the same name server setup as other domains such as lionbridge.pl, jetservice.pl, fiecek.pl, dwx.pl and uncity.pl.

Host names with one IP number:

ns1.aftermarket.pl points to: 185.253.213.10.

ns2.aftermarket.pl points to: 185.253.214.10.

Mail Servers

jacekostrowski.com is handled by a single mail server, blackhole.aftermarket.pl.

jacekostrowski.com shares the same mail server setup as other domains, for instance dolcifelici.de, mortalkombat.pl, paleolifestyle.pl, biomo.pl and akcelerator.pl.

blackhole.aftermarket.pl points to a single IP: 185.237.29.29.

jacekostrowski.com - robtex.com