polna.net - robtex.com
polna.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.163.98.200🇨🇿 CETIN-AS85.163.0.0/16 CETIN | ||||||
| PTR | sxbase-j1.cnw.cz | ||||||
| NS | ns1.cnw.cz ⭐ | ||||||
| A | 2a07:1f41:0:500::2d🇨🇿 CETIN-AS2a07:1f40::/29 CETIN | ||||||
| PTR | ns1.cnw.cz | ||||||
| A | 85.163.10.45🇨🇿 CETIN-AS85.163.0.0/16 CETIN | ||||||
| PTR | ns1.cnw.cz | ||||||
| NS | ns2.cnw.cz | ||||||
| A | 2001:4de8:b1b3::2🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s. | ||||||
| A | 195.122.209.138🇨🇿 QUANTCOM-AS195.122.192.0/19 | ||||||
| MX | mail.epostak.eu ⭐ | ||||||
| A | 85.163.57.27🇨🇿 CETIN-AS85.163.0.0/16 CETIN | ||||||
| PTR | mail.epostak.eu | ||||||
| TXT | v=spf1 a mx a:mx2-s.cnw.cz -all | ||||||
| SOA | ns1.cnw.czroot@ns1.cnw.cz 2026-03-07 #1 | ||||||
net
| 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.netnstld@verisign-grs.com serial=1784275337 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●MXmail.epostak.eu2020-02-17 → 2026-07-17 · 2 obs
● 2026-07-17 08:27:10
●A85.163.98.2002020-02-17 → 2026-07-17 · 2 obs
● 2026-07-17 08:27:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | g.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net... | - |
| polna.net | ns2.cnw.cz, ns1.cnw.cz | - |
✅ Authoritative Response
Server:85.163.10.45
NS records: ns2.cnw.cz, ns1.cnw.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polna.net (unsigned zone)
⏱️ Timing
Total: 782ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.163.98.200 |
| NS | 2 | ns1.cnw.cz, ns2.cnw.cz |
| MX | 1 | mail.epostak.eu (pri: 10) |
| TXT | 1 | v=spf1 a mx a:mx2-s.cnw.cz -all |
| SOA | 1 | ns1.cnw.cz root.ns1.cnw.cz |
Analysis
IP Addresses
polna.net points to a single IP number: 85.163.98.200.
Additional host names — angelinside.net, sxbase-j1.cnw.cz, 7rebels.com and two others — share IP numbers with polna.net.
Name Servers
polna.net has two authoritative name servers — ns1.cnw.cz and ns2.cnw.cz.
polna.net shares its name server setup with other domains, including fabionn.cz, iko.cz, spit.cz and two others.
At least some of polna.net's name servers are shared with other domains, for example 98.163.85.in-addr.arpa, 45.10.163.85.in-addr.arpa, cnw.cz and two more.
These name servers tend to be used in conjunction with the name servers ns3.cnw.cz.
Both ns1.cnw.cz and ns2.cnw.cz have two IP addresses each. ns1.cnw.cz resolves to 85.163.10.45 and 2a07:1f41:0:500::2d; ns2.cnw.cz resolves to 195.122.209.138 and 2001:4de8:b1b3::2.
Mail Servers
polna.net has one mail server: mail.epostak.eu.
polna.net shares the same mail server setup as other domains, including epostak.eu, apreus.cz, elos.cz and two others.
The mail servers of polna.net overlap at least partially with those of other domains, including cnw.cz, equilibrista.cz and recoc.cz.
It is common to see these mail servers combined with the mail servers fw4.cnw.cz, mail.cnw.cz and fw.recoc.cz.
mail.epostak.eu points to one IP number — 85.163.57.27.