c9group.pl - robtex.com
c9group.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.186.225.125🇵🇱 NFB-AS81.186.224.0/20 Digital Media Technology Sp. z o.o. | ||||||
| PTR | pl-225-125.rgb365.eu | ||||||
| NS | ns11.rgb365.eu ⭐ | ||||||
| A | 83.143.131.250🇵🇱 NFB-AS83.143.128.0/21 Network For Business Sp. z o.o. | ||||||
| PTR | 538f83fa.as35174.net | ||||||
| NS | ns12.rgb365.eu | ||||||
| A | 83.143.132.250🇵🇱 NFB-AS83.143.128.0/21 Network For Business Sp. z o.o. | ||||||
| PTR | 538f84fa.as35174.net | ||||||
| NS | ns13.rgb365.eu ⚠️ Not in parent delegation | ||||||
| A | 83.143.134.250🇵🇱 NFB-AS83.143.128.0/21 Network For Business Sp. z o.o. | ||||||
| PTR | 538f86fa.as35174.net | ||||||
| MX | mail.c9group.pl ⭐ | ||||||
| A | 81.186.226.125🇵🇱 NFB-AS81.186.224.0/20 Digital Media Technology Sp. z o.o. | ||||||
| PTR | mail-226-125.rgb365.eu | ||||||
| TXT | v=spf1 include:_spf.rgb365.eu ~all | ||||||
| SOA | ns11.rgb365.euc\@chlopik.c9group.pl 2026-05-14 #2 | ||||||
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.pldnsmaster@nask.pl serial=1781505085 | ||||||
Subdomains
mail.c9group.pl |
Same first word
DNS History
8 records (5 active, 3 former)
○NSdns12.linuxpl.com2015-04-07 → 2017-04-09 · 4 obs
● 2017-04-09 01:27:22
○ 2026-03-02 08:47:18
○ 2026-06-15 13:04:56
●NSns11.rgb365.eu2026-03-02 → 2026-06-15 · 3 obs
● 2026-03-02 08:47:18
● 2026-06-15 13:04:56
○NSns12.linuxpl.com2015-04-07 → 2017-04-09 · 4 obs
● 2017-04-09 01:27:22
○ 2026-03-02 08:47:18
○ 2026-06-15 13:04:56
●NSns12.rgb365.eu2026-03-02 → 2026-06-15 · 3 obs
● 2026-03-02 08:47:18
● 2026-06-15 13:04:56
●NSns13.rgb365.eu2026-03-02 → 2026-06-15 · 3 obs
● 2026-03-02 08:47:18
● 2026-06-15 13:04:56
●MXmail.c9group.pl2015-04-07 → 2026-06-15 · 2 obs
● 2026-06-15 13:04:56
●A81.186.225.1252026-03-02 → 2026-06-15 · 3 obs
● 2026-03-02 08:47:18
● 2026-06-15 13:04:56
○A85.17.145.432015-04-07 → 2017-04-09 · 4 obs
● 2017-04-09 01:27:22
○ 2026-03-02 08:47:18
○ 2026-06-15 13:04:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl... | - |
| c9group.pl | ns11.rgb365.eu, ns12.rgb365.eu | - |
✅ Authoritative Response
Server:83.143.132.250
NS records: ns11.rgb365.eu, ns12.rgb365.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for c9group.pl (unsigned zone)
⏱️ Timing
Total: 827ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.186.225.125 |
| NS | 3 | ns12.rgb365.eu, ns11.rgb365.eu... |
| MX | 1 | mail.c9group.pl (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.rgb365.eu ~all |
| SOA | 1 | ns11.rgb365.eu c\.chlopik.c9group.pl |
Analysis
Hierarchy
c9group.pl serves as the parent of mail.c9group.pl.
IP Addresses
c9group.pl resolves to just one IP address, 81.186.225.125.
Two other host names, along with pl-225-125.rgb365.eu, war-car.pl and targowek.pl, also share IP numbers with c9group.pl.
Name Servers
The authoritative name servers for c9group.pl are ns11.rgb365.eu, ns12.rgb365.eu and ns13.rgb365.eu — three in total.
c9group.pl has at least partial name server overlap with other domains, such as nordman.pl, herkules-polska.pl, angelevents.pl and two others.
The hostnames ns11.rgb365.eu, ns12.rgb365.eu and ns13.rgb365.eu each resolve to a single IP: ns11.rgb365.eu → 83.143.131.250, ns12.rgb365.eu → 83.143.132.250, ns13.rgb365.eu → 83.143.134.250.
Mail Servers
The sole mail server for c9group.pl is mail.c9group.pl.
mail.c9group.pl directs to just one IP number, 81.186.226.125.