rtc.pl - dns.ninja
rtc.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.186.225.131🇵🇱 NFB-AS81.186.224.0/20 Digital Media Technology Sp. z o.o. | ||||||
| PTR | pl-225-131.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.rtc.pl ⭐ | ||||||
| A | 81.186.226.131🇵🇱 NFB-AS81.186.224.0/20 Digital Media Technology Sp. z o.o. | ||||||
| PTR | mail-226-131.rgb365.eu | ||||||
| TXT | v=spf1 include:_spf.rgb365.eu ~all | ||||||
| SOA | ns11.rgb365.euradek@rtc.pl 2026-06-21 #1 | ||||||
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=1784183727 | ||||||
Previously MX for
rtc.pl |
Subdomains
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
○NSdns.home.pl2015-08-25 → 2017-07-23 · 4 obs
● 2017-07-23 09:44:08
○ 2026-03-11 05:58:04
○ 2026-07-17 06:30:48
○NSdns2.home.pl2015-08-25 → 2017-07-23 · 4 obs
● 2017-07-23 09:44:08
○ 2026-03-11 05:58:04
○ 2026-07-17 06:30:48
○NSdns3.home.pl2015-08-25 → 2017-07-23 · 4 obs
● 2017-07-23 09:44:08
○ 2026-03-11 05:58:04
○ 2026-07-17 06:30:48
●NSns11.rgb365.eu2026-03-11 → 2026-07-17 · 3 obs
● 2026-03-11 05:58:04
● 2026-07-17 06:30:48
●NSns12.rgb365.eu2026-03-11 → 2026-07-17 · 3 obs
● 2026-03-11 05:58:04
● 2026-07-17 06:30:48
●NSns13.rgb365.eu2026-03-11 → 2026-07-17 · 3 obs
● 2026-03-11 05:58:04
● 2026-07-17 06:30:48
●MXmail.rtc.pl2026-03-11 → 2026-07-17 · 3 obs
● 2026-03-11 05:58:04
● 2026-07-17 06:30:48
○MXrtc.home.pl2015-08-25 → 2016-09-10 · 4 obs
● 2016-09-10 22:51:22
○ 2017-05-05 11:28:28
○ 2026-07-17 06:30:48
○MXrtc.pl2017-05-05 → 2017-07-23 · 5 obs
● 2017-05-05 11:28:28
● 2017-07-23 09:44:08
○ 2026-03-11 05:58:04
○ 2026-07-17 06:30:48
○A213.134.158.1362015-08-25 → 2016-09-10 · 4 obs
● 2016-09-10 22:51:22
○ 2017-05-05 11:28:28
○ 2026-07-17 06:30:48
○A79.96.133.1432017-05-05 → 2017-07-23 · 5 obs
● 2017-05-05 11:28:28
● 2017-07-23 09:44:08
○ 2026-03-11 05:58:04
○ 2026-07-17 06:30:48
●A81.186.225.1312026-03-11 → 2026-07-17 · 3 obs
● 2026-03-11 05:58:04
● 2026-07-17 06:30:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl... | - |
| rtc.pl | ns11.rgb365.eu, ns12.rgb365.eu | - |
✅ Authoritative Response
Server:83.143.131.250
NS records: ns11.rgb365.eu, ns12.rgb365.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtc.pl (unsigned zone)
⏱️ Timing
Total: 988ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.186.225.131 |
| NS | 3 | ns12.rgb365.eu, ns13.rgb365.eu... |
| MX | 1 | mail.rtc.pl (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.rgb365.eu ~all |
| SOA | 1 | ns11.rgb365.eu radek.rtc.pl |
Analysis
Hierarchy
mail.rtc.pl and www.rtc.pl each fall under rtc.pl as their parent domain.
IP Addresses
rtc.pl resolves to just one IP address, 81.186.225.131.
Two other host names, along with poop.pl, pipa.com.pl and zubar.pl, also share IP numbers with rtc.pl.
Name Servers
rtc.pl carries NS records delegating to ns11.rgb365.eu, ns12.rgb365.eu and ns13.rgb365.eu.
rtc.pl has at least partial name server overlap with other domains, such as acgroup.pl, fwig.pl, pwikzabki.pl and two others.
ns11.rgb365.eu points to 83.143.131.250; ns12.rgb365.eu points to 83.143.132.250; ns13.rgb365.eu points to 83.143.134.250 — each hostname maps to exactly one IP address.
Mail Servers
The sole mail server for rtc.pl is mail.rtc.pl.
mail.rtc.pl carries a single IP number, which is 81.186.226.131.