`technikumstrzelin.pl`

DNSSEC	⚠️ Not signed
A	91.211.222.151^{🇵🇱 AS-SMARTHOST-PL91.211.220.0/22 Smarthost - european hosting}
		PTR	`server-ac151.rev.smarthost.pl`
NS	`dns2.smarthost.pl` ⭐
		A	2001:678:63c:0:9:c15d:580a:1^{🇵🇱 AS-SMARTHOST-PL2001:678:63c::/48 Smarthost - european hosting}
			PTR	`server-ba10.rev6.smarthost.pl`
		A	193.93.88.10^{🇵🇱 AS-SMARTHOST-PL193.93.88.0/22 TRUSTNET}
			PTR	`server-ba10.rev.smarthost.pl`
NS	`dns.smarthost.pl`
		A	2001:678:63c:0:9:5bd3:dc0a:1^{🇵🇱 AS-SMARTHOST-PL2001:678:63c::/48 Smarthost - european hosting}
			PTR	`server-aa10.rev6.smarthost.pl`
		A	91.211.220.10^{🇵🇱 AS-SMARTHOST-PL91.211.220.0/22 Smarthost - european hosting}
			PTR	`server-aa10.rev.smarthost.pl`
NS	`dns3.smarthost.pl`
		A	2001:41d0:203:58c3:0:335b:1bc3:1^{🇫🇷 OVH2001:41d0::/32 IPv6}
			PTR	`dns3.smarthost.pl`
		A	51.91.27.195^{🇫🇷 OVH51.91.0.0/16}
			PTR	`dns3.smarthost.pl`
MX	`technikumstrzelin.pl` ⭐
		A	91.211.222.151^{🇵🇱 AS-SMARTHOST-PL91.211.220.0/22 Smarthost - european hosting}
			PTR	`server-ac151.rev.smarthost.pl`
TXT	`v=spf1 +a +mx +ip4:91.211.220.55 ~all`
SOA	`dns.smarthost.pl`sysadmin@smarthost.pl 2026-03-26 #1

`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=1777185137

MX for

technikumstrzelin.pl

Subdomains

www.technikumstrzelin.pl

Same first word

technikumstrzelin.pl

DNS History

9 records (5 active, 4 former)

●NSdns.smarthost.pl2026-03-27 → 2026-04-26 · 3 obs

○ 2018-05-07 06:05:02
● 2026-03-27 13:14:24
● 2026-04-26 17:33:00

●NSdns2.smarthost.pl2026-03-27 → 2026-04-26 · 3 obs

○ 2018-05-07 06:05:02
● 2026-03-27 13:14:24
● 2026-04-26 17:33:00

●NSdns3.smarthost.pl2026-03-27 → 2026-04-26 · 3 obs

○ 2018-05-07 06:05:02
● 2026-03-27 13:14:24
● 2026-04-26 17:33:00

○NSns1.nazwa.pl2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 06:05:02
○ 2026-03-27 13:14:24
○ 2026-04-26 17:33:00

○NSns2.nazwa.pl2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 06:05:02
○ 2026-03-27 13:14:24
○ 2026-04-26 17:33:00

○NSns3.nazwa.pl2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 06:05:02
○ 2026-03-27 13:14:24
○ 2026-04-26 17:33:00

●MXtechnikumstrzelin.pl2018-05-07 → 2026-04-26 · 2 obs

● 2018-05-07 06:05:02
● 2026-04-26 17:33:00

○A85.128.192.882018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 06:05:02
○ 2026-03-27 13:14:24
○ 2026-04-26 17:33:00

●A91.211.222.1512026-03-27 → 2026-04-26 · 3 obs

○ 2018-05-07 06:05:02
● 2026-03-27 13:14:24
● 2026-04-26 17:33:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	h-dns.pl, d-dns.pl, b-dns.pl, a-dns.pl...	-
technikumstrzelin.pl	dns2.smarthost.pl, dns3.smarthost.pl, dns.smarthost.pl	3 records

✅ Authoritative Response

Server:193.93.88.10

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for technikumstrzelin.pl (unsigned zone)

⏱️ Timing

Total: 498ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.211.222.151`
NS	3	`dns3.smarthost.pl, dns.smarthost.pl...`
MX	1	`technikumstrzelin.pl (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:91.211.220.55 ~all`
SOA	1	`dns.smarthost.pl sysadmin.smarthost.pl`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (dns3.smarthost.pl, dns2.smarthost.pl, dns.smarthost.pl)

Analysis

Hierarchy

The parent of www.technikumstrzelin.pl is technikumstrzelin.pl.

Mail Server Role

technikumstrzelin.pl serves as the mail server for technikumstrzelin.pl.

IP Addresses

technikumstrzelin.pl points to a single IP number: 91.211.222.151.

Other host names, for instance decopol.pl, molinski.com.pl and server-ac151.rev.smarthost.pl share IP numbers with technikumstrzelin.pl.

Name Servers

The domain technikumstrzelin.pl is delegated to three name servers: dns2.smarthost.pl, dns3.smarthost.pl and dns.smarthost.pl.

technikumstrzelin.pl shares name servers with other domains at least partially, for instance bogdanowicz.pro, gdynia.it, jura-noclegi.pl, zyskndf.pl and lanczkowski.eu.

These name servers are often used with dns.trustnet.pl, dns2.trustnet.pl, dns2.zshost.pl, dns3.zshost.pl and dns.zshost.pl.

Host names with two IP numbers:

dns2.smarthost.pl points to 2001:678:63c:0:9:c15d:580a:1 and 193.93.88.10

dns3.smarthost.pl points to 2001:41d0:203:58c3:0:335b:1bc3:1 and 51.91.27.195

dns.smarthost.pl points to 2001:678:63c:0:9:5bd3:dc0a:1 and 91.211.220.10

Mail Servers

A single mail server handles technikumstrzelin.pl and technikumstrzelin.pl.

Host name technikumstrzelin.pl resolves to IP 91.211.222.151.

technikumstrzelin.pl - robtex.com