osis.org.pl - robtex.com
osis.org.pl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 193.93.88.70🇵🇱 AS-SMARTHOST-PL193.93.88.0/22 TRUSTNET | ||||||
| PTR | ns3.ndc.pl | ||||||
| NS | ns1.ndc.pl ⭐ | ||||||
| A | 91.211.220.10🇵🇱 AS-SMARTHOST-PL91.211.220.0/22 Smarthost - european hosting | ||||||
| PTR | server-aa10.rev.smarthost.pl | ||||||
| NS | ns2.ndc.pl | ||||||
| A | 193.93.88.10🇵🇱 AS-SMARTHOST-PL193.93.88.0/22 TRUSTNET | ||||||
| PTR | server-ba10.rev.smarthost.pl | ||||||
| MX | mail.osis.org.pl ⭐ | ||||||
| A | 193.93.88.70🇵🇱 AS-SMARTHOST-PL193.93.88.0/22 TRUSTNET | ||||||
| PTR | ns3.ndc.pl | ||||||
| TXT | v=spf1 ip4:193.93.88.70 +a +mx +ip4:193.93.88.53 -all | ||||||
| SOA | ns1.ndc.plsysadmin@smarthost.pl 2026-06-21 #1 | ||||||
org.pl
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a-dns.pl ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b-dns.pl ⚠️ Not in parent delegation | ||||||
| NS | d-dns.pl ⚠️ Not in parent delegation | ||||||
| NS | f-dns.pl ⚠️ Not in parent delegation | ||||||
| NS | h-dns.pl ⚠️ Not in parent delegation | ||||||
| NS | j-dns.pl ⚠️ Not in parent delegation | ||||||
| SOA | a-dns.pldnsmaster@nask.pl serial=1784701861 | ||||||
Previously MX for
osis.org.pl |
Subdomains
mail.osis.org.pl |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSdns.home.pl2015-06-12 → 2016-09-13 · 4 obs
● 2016-09-13 19:42:28
○ 2026-06-15 00:08:44
○ 2026-07-22 20:04:14
○NSdns2.home.pl2015-06-12 → 2016-09-13 · 4 obs
● 2016-09-13 19:42:28
○ 2026-06-15 00:08:44
○ 2026-07-22 20:04:14
○NSdns3.home.pl2015-06-12 → 2016-09-13 · 4 obs
● 2016-09-13 19:42:28
○ 2026-06-15 00:08:44
○ 2026-07-22 20:04:14
●NSns1.ndc.pl2026-06-15 → 2026-07-22 · 3 obs
● 2026-06-15 00:08:44
● 2026-07-22 20:04:14
●NSns2.ndc.pl2026-06-15 → 2026-07-22 · 3 obs
● 2026-06-15 00:08:44
● 2026-07-22 20:04:14
●MXmail.osis.org.pl2026-06-15 → 2026-07-22 · 5 obs
● 2026-06-15 00:08:44
○ 2026-07-16 13:40:00
● 2026-07-19 10:50:00
● 2026-07-22 20:04:14
○MXosis.org.pl2015-06-12 → 2016-09-13 · 4 obs
● 2016-09-13 19:42:28
○ 2026-06-15 00:08:44
○ 2026-07-22 20:04:14
●A193.93.88.702026-06-15 → 2026-07-22 · 5 obs
● 2026-06-15 00:08:44
○ 2026-07-16 13:40:00
● 2026-07-19 10:50:00
● 2026-07-22 20:04:14
○A89.161.158.212015-06-12 → 2016-09-13 · 4 obs
● 2016-09-13 19:42:28
○ 2026-06-15 00:08:44
○ 2026-07-22 20:04:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | j-dns.pl, h-dns.pl, a-dns.pl, d-dns.pl... | - |
| osis.org.pl | ns2.ndc.pl, ns1.ndc.pl | - |
✅ Authoritative Response
Server:91.211.220.10
NS records: ns2.ndc.pl, ns1.ndc.pl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 851ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.93.88.70 |
| NS | 2 | ns1.ndc.pl, ns2.ndc.pl |
| MX | 1 | mail.osis.org.pl (pri: 0) |
| TXT | 1 | v=spf1 ip4:193.93.88.70 +a +mx +ip4:193. |
| SOA | 1 | ns1.ndc.pl sysadmin.smarthost.pl |
Analysis
Hierarchy
The domain mail.osis.org.pl falls under the parent osis.org.pl.
IP Addresses
osis.org.pl points to a single IP number: 193.93.88.70.
Additional host names — ricco.com.pl, lakehill.pl, fssm.pl and two others — share IP numbers with osis.org.pl.
Name Servers
osis.org.pl has two authoritative name servers — ns1.ndc.pl and ns2.ndc.pl.
osis.org.pl shares its name server setup with other domains, including familydent.pl, centrumland.pl, zyrafa.org and two others.
osis.org.pl has some name servers in common with other domains such as espol.pl, ndc.com.pl and decorationglass.eu
These name servers tend to be used in conjunction with the name servers ns3.ndc.pl.
Each of ns1.ndc.pl and ns2.ndc.pl has one IP address: ns1.ndc.pl uses 91.211.220.10 and ns2.ndc.pl uses 193.93.88.10.
Mail Servers
osis.org.pl has one mail server: mail.osis.org.pl.
mail.osis.org.pl points to one IP number — 193.93.88.70.