jcentrum.net - robtex.com
jcentrum.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.211.205.167🇨🇿 INTERNET-CZ80.211.192.0/19 INTERNET CZ,a.s. | ||||||
| PTR | jcentrum.net | ||||||
| NS | pmx-dns-ext.multinet.net.pl ⭐ | ||||||
| A | 46.22.172.3🇵🇱 MULTINET46.22.172.0/24 | ||||||
| PTR | pmx-dns-ext.multinet.net.pl | ||||||
| NS | geralt.jcentrum.net | ||||||
| A | 80.211.205.167🇨🇿 INTERNET-CZ80.211.192.0/19 INTERNET CZ,a.s. | ||||||
| PTR | jcentrum.net | ||||||
| MX | jcentrum.net ⭐ | ||||||
| A | 80.211.205.167🇨🇿 INTERNET-CZ80.211.192.0/19 INTERNET CZ,a.s. | ||||||
| PTR | jcentrum.net | ||||||
| TXT | v=spf1 mx ~all | ||||||
| TXT | google-site-verification=khhkk0h1kQXWr4aifBWkrIudosLMch4ExhHTMVpKH_4 | ||||||
| SOA | pmx-dns-ext.multinet.net.plmadmin@multinet.net.pl 2025-09-05 #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=1774576397 | ||||||
PTR for
NS for
Previously NS for
MX for
ranczospelnionychmarzen.pl |
jcentrum.net |
Subdomains
Same first word
jcentrum.net |
DNS History
10 records (4 active, 6 former)
●NSgeralt.jcentrum.net2026-02-15 → 2026-03-27 · 3 obs
● 2026-02-15 06:55:04
● 2026-03-27 02:15:10
●NSpmx-dns-ext.multinet.net.pl2026-02-15 → 2026-03-27 · 3 obs
● 2026-02-15 06:55:04
● 2026-03-27 02:15:10
○NSpoczta.multinet.net.pl2015-08-09 → 2017-06-28 · 4 obs
● 2017-06-28 21:02:04
○ 2026-02-15 06:55:04
○ 2026-03-27 02:15:10
○NSvisenna.multinet.net.pl2015-08-09 → 2017-06-28 · 4 obs
● 2017-06-28 21:02:04
○ 2026-02-15 06:55:04
○ 2026-03-27 02:15:10
○NSvregis.samm.com.pl2015-08-09 → 2017-06-28 · 4 obs
● 2017-06-28 21:02:04
○ 2026-02-15 06:55:04
○ 2026-03-27 02:15:10
●MXjcentrum.net2026-02-15 → 2026-03-27 · 3 obs
● 2026-02-15 06:55:04
● 2026-03-27 02:15:10
○MXvps.jcentrum.net2015-08-09 → 2017-06-28 · 4 obs
● 2017-06-28 21:02:04
○ 2026-02-15 06:55:04
○ 2026-03-27 02:15:10
○A5.187.48.1872015-08-09 → 2016-03-02 · 4 obs
● 2016-03-02 10:28:52
○ 2017-02-03 01:04:22
○ 2026-03-27 02:15:10
●A80.211.205.1672026-02-15 → 2026-03-27 · 3 obs
● 2026-02-15 06:55:04
● 2026-03-27 02:15:10
○A91.90.173.802017-02-03 → 2017-06-28 · 5 obs
● 2017-02-03 01:04:22
● 2017-06-28 21:02:04
○ 2026-02-15 06:55:04
○ 2026-03-27 02:15:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| jcentrum.net | geralt.jcentrum.net, pmx-dns-ext.multinet.net.pl | 1 record |
✅ Authoritative Response
Server:46.22.172.3
NS records: geralt.jcentrum.net, pmx-dns-ext.multinet.net.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jcentrum.net (unsigned zone)
⏱️ Timing
Total: 3782ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.211.205.167 |
| NS | 2 | geralt.jcentrum.net, pmx-dns-ext.multinet.net.pl |
| MX | 1 | jcentrum.net (pri: 10) |
| TXT | 2 | google-site-verification=khhkk0h1kQXWr4a, v=spf1 mx ~all |
| SOA | 1 | pmx-dns-ext.multinet.net.pl madmin.multi |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (geralt.jcentrum.net)
Analysis
Hierarchy
jcentrum.net is parent of geralt.jcentrum.net and vps.jcentrum.net.
Name Server Role
jcentrum.net serves as a name server for 172.22.46.in-addr.arpa and 146.199.91.in-addr.arpa.
geralt.jcentrum.net, pmx-dns-ext.multinet.net.pl and pmx-dns-ext.olimplan.pl are commonly used as name servers together with jcentrum.net.
Mail Server Role
jcentrum.net serves as the mail server for ranczospelnionychmarzen.pl and jcentrum.net.
IP Addresses
jcentrum.net points to a single IP number: 80.211.205.167.
Other host names, for instance ranczospelnionychmarzen.pl, geralt.jcentrum.net, www.ranczospelnionychmarzen.pl and vps.jcentrum.net share IP numbers with jcentrum.net.
Name Servers
jcentrum.net is delegated to two name servers: geralt.jcentrum.net and pmx-dns-ext.multinet.net.pl.
jcentrum.net shares the same name server setup as other domains, such as olimplan.pl, przewodnik-miejski.krakow.pl, selkod.com and samm.com.pl.
jcentrum.net partially shares name servers with other domains, for instance ranczospelnionychmarzen.pl, 172.22.46.in-addr.arpa, multinet.net.pl and 146.199.91.in-addr.arpa.
These name servers are commonly used with the name servers visenna.multinet.net.pl.
Host names with one IP number:
The host geralt.jcentrum.net points to 80.211.205.167 and the host pmx-dns-ext.multinet.net.pl points to 46.22.172.3.
Mail Servers
One mail server handles jcentrum.net.
jcentrum.net shares the same mail server setup as other domains, for example ranczospelnionychmarzen.pl.
Host name jcentrum.net points to IP address 80.211.205.167.