cortex.com.pl - robtex.com
cortex.com.pl
com.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=1776925926 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSguard.cortex.com.pl2015-08-06 → 2026-04-23 · 2 obs
● 2026-04-23 17:55:26
●NSguard2.cortex.com.pl2016-05-18 → 2026-04-23 · 3 obs
● 2016-05-18 15:36:36
● 2026-04-23 17:55:26
○NSns1.idc.net.pl2015-08-06 → 2016-04-01 · 4 obs
● 2016-04-01 21:29:02
○ 2016-05-18 15:36:36
○ 2026-04-23 17:55:26
●MXcortex-com-pl.mail.protection.outlook.com2026-03-19 → 2026-04-23 · 3 obs
● 2026-03-19 20:03:30
● 2026-04-23 17:55:26
○MXguard.cortex.com.pl2015-08-06 → 2017-08-28 · 4 obs
● 2017-08-28 21:14:30
○ 2026-03-19 20:03:30
○ 2026-04-23 17:55:26
○MXguard2.cortex.com.pl2015-08-06 → 2017-08-28 · 4 obs
● 2017-08-28 21:14:30
○ 2026-03-19 20:03:30
○ 2026-04-23 17:55:26
○MXguard3.cortex.com.pl2015-08-06 → 2016-04-01 · 4 obs
● 2016-04-01 21:29:02
○ 2016-05-18 15:36:36
○ 2026-04-23 17:55:26
●A217.117.142.2012026-03-19 → 2026-04-23 · 2 obs
● 2026-04-23 17:55:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | f-dns.pl, b-dns.pl, j-dns.pl, h-dns.pl... | - |
| cortex.com.pl | guard2.cortex.com.pl, guard.cortex.com.pl | 2 records |
✅ Authoritative Response
Server:89.234.211.82
NS records: guard2.cortex.com.pl, guard.cortex.com.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortex.com.pl (unsigned zone)
⏱️ Timing
Total: 671ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.117.142.201 |
| NS | 2 | guard.cortex.com.pl, guard2.cortex.com.pl |
| MX | 1 | cortex-com-pl.mail.protection.outlook.co |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, MS=ms84836312 |
| SOA | 1 | guard.cortex.com.pl dns.guard.cortex.com |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (guard2.cortex.com.pl, guard.cortex.com.pl)
Analysis
Hierarchy
cortex.com.pl is a parent of guard.cortex.com.pl and guard2.cortex.com.pl.
IP Addresses
cortex.com.pl points to a single IP address: 217.117.142.201.
Other host names such as cortexch.com, cortexchemicals.com and www.cortexchemicals.com share IP numbers with cortex.com.pl.
Name Servers
cortex.com.pl is delegated to two name servers: guard2.cortex.com.pl and guard.cortex.com.pl.
cortex.com.pl shares the same name server setup as cortexchemicals.com and chemenergia.com and purinova.com.
cortex.com.pl shares some name servers with other domains, for example e-city.tarnow.pl.
These name servers are commonly used alongside ekler.da.pl and alfa.man.tarnow.pl.
Hostnames with a single IP
guard2.cortex.com.pl resolves to: 89.234.211.82.
guard.cortex.com.pl resolves to: 217.117.142.194.
Mail Servers
The mail server for cortex.com.pl is cortex-com-pl.mail.protection.outlook.com.
cortex-com-pl.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::b, 2a01:111:f403:ca04::c, 2a01:111:f403:ca09::7, 2a01:111:f403:ca09::c, 52.101.73.2, 52.101.73.8, 52.101.73.11 and 52.101.73.22.