opensystem.pl - dns.ninja
opensystem.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.110.51.104🇵🇱 IQPL-AS185.110.51.0/24 | ||||||
| PTR | europab.hostido.net.pl | ||||||
| NS | ns1.hostido.net.pl ⭐ | ||||||
| A | 2a01:7400:1:1691:0:1:16:1🇵🇱 IQPL-AS2a01:7400::/32 | ||||||
| PTR | ns1.hostido.net.pl | ||||||
| A | 185.110.51.16🇵🇱 IQPL-AS185.110.51.0/24 | ||||||
| PTR | ns1.hostido.net.pl | ||||||
| NS | ns2.hostido.net.pl | ||||||
| A | 46.248.165.23🇵🇱 IQPL-AS46.248.160.0/19 IQ-PL | ||||||
| PTR | ns2.hostido.net.pl | ||||||
| NS | ns3.hostido.net.pl | ||||||
| A | 2a00:c98:400f:109:1c00:46ff:fe00:908🇩🇪 LEASEWEB-DE-FRA-102a00:c98:4000::/36 | ||||||
| PTR | ns3.hostido.net.pl | ||||||
| A | 178.162.240.114🇩🇪 LEASEWEB-DE-FRA-10178.162.192.0/18 | ||||||
| PTR | ns3.hostido.net.pl | ||||||
| MX | mail.opensystem.pl ⭐ | ||||||
| A | 185.110.51.104🇵🇱 IQPL-AS185.110.51.0/24 | ||||||
| PTR | europab.hostido.net.pl | ||||||
| TXT | v=spf1 include:spf.hostido.pl a mx include:spf.hekko.pl -all | ||||||
| SOA | ns1.hostido.net.plhostmaster@opensystem.pl 2026-02-11 #3 | ||||||
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=1781418655 | ||||||
Subdomains
mail.opensystem.pl |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○NSns1.hekko.net.pl2015-06-21 → 2017-05-19 · 4 obs
● 2017-05-19 00:19:48
○ 2026-02-19 23:41:10
○ 2026-06-14 10:55:04
●NSns1.hostido.net.pl2026-02-19 → 2026-06-14 · 3 obs
● 2026-02-19 23:41:10
● 2026-06-14 10:55:04
○NSns2.hekko.net.pl2015-06-21 → 2017-05-19 · 4 obs
● 2017-05-19 00:19:48
○ 2026-02-19 23:41:10
○ 2026-06-14 10:55:04
●NSns2.hostido.net.pl2026-02-19 → 2026-06-14 · 3 obs
● 2026-02-19 23:41:10
● 2026-06-14 10:55:04
●NSns3.hostido.net.pl2026-02-19 → 2026-06-14 · 3 obs
● 2026-02-19 23:41:10
● 2026-06-14 10:55:04
●MXmail.opensystem.pl2015-06-21 → 2026-06-14 · 2 obs
● 2026-06-14 10:55:04
●A185.110.51.1042026-02-19 → 2026-06-14 · 3 obs
● 2026-02-19 23:41:10
● 2026-06-14 10:55:04
○A188.116.20.672015-06-21 → 2017-05-19 · 4 obs
● 2017-05-19 00:19:48
○ 2026-02-19 23:41:10
○ 2026-06-14 10:55:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl... | - |
| opensystem.pl | ns2.hostido.net.pl, ns3.hostido.net.pl, ns1.hostido.net.pl | - |
✅ Authoritative Response
Server:46.248.165.23
NS records: ns2.hostido.net.pl, ns3.hostido.net.pl, ns1.hostido.net.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opensystem.pl (unsigned zone)
⏱️ Timing
Total: 1474ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.110.51.104 |
| NS | 3 | ns1.hostido.net.pl, ns3.hostido.net.pl... |
| MX | 1 | mail.opensystem.pl (pri: 10) |
| TXT | 1 | v=spf1 include:spf.hostido.pl a mx inclu |
| SOA | 1 | ns1.hostido.net.pl hostmaster.opensystem |
Analysis
Hierarchy
opensystem.pl is the parent zone for mail.opensystem.pl.
IP Addresses
opensystem.pl points to a single IP number: 185.110.51.104.
Additional host names — mail.niceone.pl, mail.chochocam.pl, mushin.pl and two others — share IP numbers with opensystem.pl.
Name Servers
opensystem.pl is served by three name servers: ns1.hostido.net.pl, ns2.hostido.net.pl and ns3.hostido.net.pl.
opensystem.pl partially shares its NS delegation with several other domains, including plocha.pl, amphibia.org.pl, radioitalia.pl and two others.
Host names with two IP numbers:
The A records for ns1.hostido.net.pl return 185.110.51.16 and 2a01:7400:1:1691:0:1:16:1.
The A records for ns3.hostido.net.pl return 178.162.240.114 and 2a00:c98:400f:109:1c00:46ff:fe00:908.
Host names pointing to a single IP address:
ns2.hostido.net.pl resolves to the IP address 46.248.165.23.
Mail Servers
opensystem.pl has one mail server: mail.opensystem.pl.
mail.opensystem.pl resolves to 185.110.51.104 and no other IP number.