f2.szu.pl - robtex.com
f2.szu.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.234.217.91🇵🇱 SPRINT-SDC91.234.217.0/24 JEE.PL, Zywiec | ||||||
| PTR | host91.wizjanet.pl | ||||||
| NS | dns.szu.pl ⭐ ⚠️ Not in parent delegation | ||||||
| A | 91.234.217.4🇵🇱 SPRINT-SDC91.234.217.0/24 JEE.PL, Zywiec | ||||||
| PTR | srv-91-234-217-4.wilan.pl | ||||||
| NS | ns2.szu.pl ⚠️ Not in parent delegation | ||||||
| A | 91.234.217.86🇵🇱 SPRINT-SDC91.234.217.0/24 JEE.PL, Zywiec | ||||||
| PTR | srv-91-234-217-86.wilan.pl | ||||||
| MX | f2.szu.pl ⭐ | ||||||
| A | 91.234.217.91🇵🇱 SPRINT-SDC91.234.217.0/24 JEE.PL, Zywiec | ||||||
| PTR | host91.wizjanet.pl | ||||||
| TXT | v=spf1 ip4:91.234.217.0/24 a mx include:_spf.google.com ~all | ||||||
| SOA | dns.szu.pladmin@szu.pl serial=201209134 | ||||||
szu.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.234.217.80🇵🇱 SPRINT-SDC91.234.217.0/24 JEE.PL, Zywiec | ||||||
| NS | dns.szu.pl ⭐ | ||||||
| NS | ns2.szu.pl ⚠️ Not in parent delegation | ||||||
| NS | ns3.boo.pl ⚠️ Not in zone NS records | ||||||
| MX | gwmail.wilan.pl ⭐ | ||||||
| SOA | dns.szu.pladmin@szu.pl 2006-03-29 #3 | ||||||
rank #514728 globally
rank #3843 in the tld
WOT: SAFE (61/100)
MX for
f2.szu.pl |
Same first word
Similar names
2f.fi |
2f.nl |
2f.com.cn |
2f.cz |
2f.gs |
2f.ru |
2f.tf |
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2f.cl |
2f.com |
2f.eu |
2f.hu |
2f.se |
2f.pw |
2f.fr |
2f.pl |
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DNS History
4 records (4 active, 0 former)
●MXf2.szu.pl2017-06-07 → 2026-05-09 · 2 obs
● 2026-05-09 22:17:50
●A91.234.217.912017-06-07 → 2026-05-09 · 2 obs
● 2026-05-09 22:17:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl... | - |
| szu.pl | dns.szu.pl, ns3.boo.pl | 1 record |
✅ Authoritative Response
Server:91.234.217.4
NS records: dns.szu.pl, ns3.boo.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for szu.pl (unsigned zone)
⏱️ Timing
Total: 588ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.234.217.91 |
| NS | 2 | dns.szu.pl, ns2.szu.pl |
| MX | 1 | f2.szu.pl (pri: 10) |
| TXT | 1 | v=spf1 ip4:91.234.217.0/24 a mx include: |
| SOA | 1 | dns.szu.pl admin.szu.pl |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (dns.szu.pl)
Analysis
Mail Server Role
f2.szu.pl serves as the mail server for f2.szu.pl.
IP Addresses
f2.szu.pl points to a single IP number: 91.234.217.91.
Name Servers
f2.szu.pl is delegated to two name servers: dns.szu.pl and ns2.szu.pl.
f2.szu.pl uses the same name server setup as other domains, for instance openkontakt.de, u.szu.pl, fifalive.szu.pl, mohaasparingi.szu.pl and start.szu.pl.
f2.szu.pl shares name servers with other domains at least partially, for instance openkantor.pl, openkontakt.com, bia.pl, szu.pl and biznesoferty.com.
these name servers are often used together with the name servers ns3.boo.pl.
Host names with one IP number:
dns.szu.pl points to: 91.234.217.4.
ns2.szu.pl points to: 91.234.217.86.
Mail Servers
A single mail server handles f2.szu.pl and f2.szu.pl.
Host name f2.szu.pl resolves to IP 91.234.217.91.