`olszewskisoftware.com`

DNSSEC	⚠️ Not signed
A	51.75.39.115^{🇫🇷 OVH51.75.0.0/16}
		PTR	`ip115.ip-51-75-39.eu`
NS	`dns2.home.pl` ⭐
		A	2001:8d8:fe:53:6870::2^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`dns2.home.pl`
		A	217.160.81.248^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`dns2.home.pl`
NS	`dns.home.pl`
		A	2001:8d8:fe:53:6870::1^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`dns.home.pl`
		A	217.160.80.244^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`dns.home.pl`
NS	`dns3.home.pl`
		A	2607:f1c0:fe:53:185:132:34:251^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`dns3.home.pl`
		A	185.132.34.251^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`dns3.home.pl`
MX	`serwer1881326.home.pl` ⭐
		A	46.242.244.194^{🇵🇱 HOMEPL-AS46.242.192.0/18}
			PTR	`cloudserver3234009-3234040.home.pl`
TXT	`v=spf1 mx a ptr ~all`
SOA	`dns.home.pl`admin@home.pl serial=1539347897

`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=1775997772

Same first word

olszewskisoftware.com

DNS History

11 records (5 active, 6 former)

●NSdns.home.pl2026-04-12 → 2026-04-12 · 2 obs

○ 2017-07-07 23:56:36
● 2026-04-12 12:44:18

●NSdns2.home.pl2026-04-12 → 2026-04-12 · 2 obs

○ 2017-07-07 23:56:36
● 2026-04-12 12:44:18

●NSdns3.home.pl2026-04-12 → 2026-04-12 · 2 obs

○ 2017-07-07 23:56:36
● 2026-04-12 12:44:18

○NSns1.nazwa.pl2015-08-17 → 2017-07-07 · 3 obs

● 2015-08-17 22:07:28
● 2017-07-07 23:56:36
○ 2026-04-12 12:44:18

○NSns2.nazwa.pl2015-08-17 → 2017-07-07 · 3 obs

● 2015-08-17 22:07:28
● 2017-07-07 23:56:36
○ 2026-04-12 12:44:18

○NSns3.nazwa.pl2015-08-17 → 2017-07-07 · 3 obs

● 2015-08-17 22:07:28
● 2017-07-07 23:56:36
○ 2026-04-12 12:44:18

○MXolszewskisoftware.com2015-08-17 → 2017-07-07 · 3 obs

● 2015-08-17 22:07:28
● 2017-07-07 23:56:36
○ 2026-04-12 12:44:18

●MXserwer1881326.home.pl2026-04-12 → 2026-04-12 · 2 obs

○ 2017-07-07 23:56:36
● 2026-04-12 12:44:18

○A188.68.240.2132026-04-12 → 2026-04-12 · 1 obs

○ 2026-04-12 12:44:18

●A51.75.39.1152026-04-12 → 2026-04-12 · 2 obs

○ 2017-07-07 23:56:36
● 2026-04-12 12:44:18

○A77.55.104.1362015-08-17 → 2017-07-07 · 3 obs

● 2015-08-17 22:07:28
● 2017-07-07 23:56:36
○ 2026-04-12 12:44:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
olszewskisoftware.com	dns.home.pl, dns2.home.pl, dns3.home.pl	-

✅ Authoritative Response

Server:217.160.81.248

NS records: dns.home.pl, dns2.home.pl, dns3.home.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for olszewskisoftware.com (unsigned zone)

⏱️ Timing

Total: 215ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.75.39.115`
NS	3	`dns3.home.pl, dns.home.pl...`
MX	1	`serwer1881326.home.pl (pri: 10)`
TXT	1	`v=spf1 mx a ptr ~all`
SOA	1	`dns.home.pl admin.home.pl`

Analysis

IP Addresses

olszewskisoftware.com points to IP number: 51.75.39.115.

Name Servers

olszewskisoftware.com is delegated to three name servers: dns2.home.pl, dns3.home.pl and dns.home.pl.

olszewskisoftware.com at least partially shares name servers with other domains, for instance cloudserver063621.home.pl, jurysta.eu, cloudserver018895.home.pl, bartiko.eu and cloudserver101735.home.pl.

Host dns2.home.pl points to 2001:8d8:fe:53:6870::2 and 217.160.81.248; Host dns3.home.pl points to 2607:f1c0:fe:53:185:132:34:251 and 185.132.34.251; Host dns.home.pl points to 2001:8d8:fe:53:6870::1 and 217.160.80.244.

Mail Servers

olszewskisoftware.com is handled by a single mail server, serwer1881326.home.pl.

The mail server setup for olszewskisoftware.com matches that of other domains, for instance automobilklubjurajski.pl, pst-polska.pl, serwer1881326.home.pl, nasza-czytelnia.pl and centrum-gsm.pl.

serwer1881326.home.pl points to a single IP: 46.242.244.194.

olszewskisoftware.com - robtex.com