`factor.bielsko.pl`

DNSSEC	⚠️ Not signed
A	91.217.242.115^{🇵🇱 WIZJANET91.217.242.0/24}
		PTR	`s15.wizjanet.pl`
NS	`dns.wizja.net` ⭐
		A	91.217.242.20^{🇵🇱 WIZJANET91.217.242.0/24}
			PTR	`dns.wizja.net`
NS	`dns2.wizja.net`
		A	91.234.217.186^{🇵🇱 SPRINT-SDC91.234.217.0/24 JEE.PL, Zywiec}
			PTR	`dns2.wizja.net`
NS	`ns1.wizjanet.pl` ⚠️ Not in parent delegation
		A	91.234.217.163^{🇵🇱 SPRINT-SDC91.234.217.0/24 JEE.PL, Zywiec}
			PTR	`ns1.wizjanet.pl`
NS	`ns2.wizjanet.pl` ⚠️ Not in parent delegation
		A	91.217.242.94^{🇵🇱 WIZJANET91.217.242.0/24}
			PTR	`ns2.wizjanet.pl`
MX	`mail.factor.bielsko.pl` ⭐
		A	91.217.242.115^{🇵🇱 WIZJANET91.217.242.0/24}
			PTR	`s15.wizjanet.pl`
TXT	`v=spf1 +a +mx +a:s15.wizjanet.pl ip4:91.234.217.0/24 ip4:91.217.242.0/24 -all`
SOA	`dns2.wizja.net`tech@wizja.net 2026-08-07 #2

`bielsko.pl`

	DNSSEC	⚠️ Not signed
	NS	`jupiter.ath.bielsko.pl` ⭐
	NS	`bilbo.nask.org.pl`
	NS	`kirdan.nask.net.pl`
	NS	`ns1.easydns.com`
	NS	`ns2.easydns.com`
	TXT	`facebook-domain-verification=9xp2eeb7rjp1t7kjh7xqr7a9fn7a9j`
	SOA	`jupiter.ath.bielsko.pl`hostmaster@ath.bielsko.pl 2026-08-14 #1

WOT: SAFE (62/100)
rank #13179 globally
rank #64 in the tld

bielsko.pl

bielsko.plis a regional domain for the city and region of Bielsko-Biała, Poland. The domain is owned and managed by the University of Bielsko-Biala (Uniwersytet Bielsko-Bialski).

Key facts

Owner / operator: University of Bielsko-Biala (Uniwersytet Bielsko-Bialski)
TLD:.pl— Poland
Primary purpose: Regional domain registry for Bielsko-Biała and the surrounding region
Status: active

WOT: SAFE (74/100)
📈 Tranco rank: #43,421

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DNS History

6 records (6 active, 0 former)

●NSdns.wizja.net2026-08-13 → 2026-08-14 · 2 obs

● 2026-08-13 00:24:00
● 2026-08-14 05:07:26

●NSdns2.wizja.net2026-08-13 → 2026-08-14 · 2 obs

● 2026-08-13 00:24:00
● 2026-08-14 05:07:26

●NSns1.wizjanet.pl2026-08-13 → 2026-08-14 · 2 obs

● 2026-08-13 00:24:00
● 2026-08-14 05:07:26

●NSns2.wizjanet.pl2026-08-13 → 2026-08-14 · 2 obs

● 2026-08-13 00:24:00
● 2026-08-14 05:07:26

●MXmail.factor.bielsko.pl2026-08-13 → 2026-08-14 · 2 obs

● 2026-08-13 00:24:00
● 2026-08-14 05:07:26

●A91.217.242.1152026-08-13 → 2026-08-14 · 2 obs

● 2026-08-13 00:24:00
● 2026-08-14 05:07:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	d-dns.pl, h-dns.pl, a-dns.pl, j-dns.pl...	-
bielsko.pl	ns1.easydns.com, ns2.easydns.com, bilbo.nask.org.pl, kirdan.nask.net.pl...	1 record
factor.bielsko.pl	dns.wizja.net, dns2.wizja.net	-

✅ Authoritative Response

Server:91.234.217.186

NS records: dns.wizja.net, dns2.wizja.net

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at pl: Error: DNS query timeout: 185.159.197.48 for DNSKEY pl

⏱️ Timing

Total: 3889ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.217.242.115`
NS	4	`ns2.wizjanet.pl, ns1.wizjanet.pl...`
MX	1	`mail.factor.bielsko.pl (pri: 10)`
TXT	1	`v=spf1 +a +mx +a:s15.wizjanet.pl ip4:91.`
SOA	1	`dns2.wizja.net tech.wizja.net`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (jupiter.ath.bielsko.pl)

Analysis

IP Addresses

factor.bielsko.pl resolves to just one IP address, 91.217.242.115.

Two other host names, along with diginet.bielsko.pl, mail.diginet.bielsko.pl and mail.termowent.pl, also share IP numbers with factor.bielsko.pl.

Name Servers

The NS records for factor.bielsko.pl point to four name servers: dns2.wizja.net, dns.wizja.net, ns1.wizjanet.pl and ns2.wizjanet.pl.

The name servers of factor.bielsko.pl overlap at least partially with those of other domains — among them klub-as.pl, astral.krakow.pl, plesk-sdc.wizjanet.pl and two more.

These name servers commonly appear alongside the name servers pivexin.wizjanet.pl and plantpol.wizjanet.pl.

The hosts dns2.wizja.net, dns.wizja.net, ns1.wizjanet.pl and ns2.wizjanet.pl all resolve to exactly one IP address each: 91.234.217.186, 91.217.242.20, 91.234.217.163 and 91.217.242.94 respectively.

Mail Servers

The sole mail server for factor.bielsko.pl is mail.factor.bielsko.pl.

mail.factor.bielsko.pl carries a single IP number, which is 91.217.242.115.

factor.bielsko.pl - robtex.com