optimlab.pl - dns.ninja
optimlab.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.237.52.33🇵🇱 BIZNESHOST-AS91.237.52.0/24 | ||||||
| PTR | s143.cyber-folks.pl | ||||||
| NS | dns7.linuxpl.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 94.152.255.111🇵🇱 OXYLION-AS94.152.255.0/24 | ||||||
| PTR | ns2.cyberfolks.pl | ||||||
| NS | dns6.linuxpl.com ⚠️ Not in zone NS records | ||||||
| A | 94.152.255.111🇵🇱 OXYLION-AS94.152.255.0/24 | ||||||
| PTR | ns2.cyberfolks.pl | ||||||
| NS | ns6.linuxpl.com ⚠️ Not in zone NS records | ||||||
| A | 94.152.254.111🇵🇱 OXYLION-AS94.152.254.0/24 | ||||||
| PTR | ns1.cyberfolks.pl | ||||||
| NS | ns7.linuxpl.com ⚠️ Not in parent delegation | ||||||
| A | 94.152.254.111🇵🇱 OXYLION-AS94.152.254.0/24 | ||||||
| PTR | ns1.cyberfolks.pl | ||||||
| MX | mail.optimlab.pl ⭐ | ||||||
| A | 91.237.52.33🇵🇱 BIZNESHOST-AS91.237.52.0/24 | ||||||
| PTR | s143.cyber-folks.pl | ||||||
| TXT | v=spf1 a mx include:spf.linuxpl.com ip4:91.237.52.33 ~all | ||||||
| SOA | dns7.linuxpl.comhostmaster@optimlab.pl 2023-11-16 #0 | ||||||
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=1784788451 | ||||||
Subdomains
mail.optimlab.pl |
Same first word
optimlab.pl |
Similar names
DNS History
7 records (6 active, 1 former)
●NSdns6.linuxpl.com2026-03-25 → 2026-07-24 · 3 obs
● 2026-03-25 08:11:04
● 2026-07-24 00:05:50
●NSdns7.linuxpl.com2015-08-20 → 2026-07-24 · 2 obs
● 2026-07-24 00:05:50
●NSns6.linuxpl.com2026-03-25 → 2026-07-24 · 3 obs
● 2026-03-25 08:11:04
● 2026-07-24 00:05:50
●NSns7.linuxpl.com2015-08-20 → 2026-07-24 · 2 obs
● 2026-07-24 00:05:50
●MXmail.optimlab.pl2015-08-20 → 2026-07-24 · 2 obs
● 2026-07-24 00:05:50
○A88.198.23.352015-08-20 → 2017-06-12 · 4 obs
● 2017-06-12 16:38:16
○ 2026-03-25 08:11:04
○ 2026-07-24 00:05:50
●A91.237.52.332026-03-25 → 2026-07-24 · 3 obs
● 2026-03-25 08:11:04
● 2026-07-24 00:05:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl... | - |
| optimlab.pl | ns6.linuxpl.com, dns6.linuxpl.com | - |
✅ Authoritative Response
Server:94.152.254.111
NS records: ns6.linuxpl.com, dns6.linuxpl.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimlab.pl (unsigned zone)
⏱️ Timing
Total: 590ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.237.52.33 |
| NS | 2 | ns7.linuxpl.com, dns7.linuxpl.com |
| MX | 1 | mail.optimlab.pl (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.linuxpl.com ip4: |
| SOA | 1 | dns7.linuxpl.com hostmaster.optimlab.pl |
Analysis
Hierarchy
mail.optimlab.pl is a subdomain of optimlab.pl.
IP Addresses
optimlab.pl resolves to just one IP address, 91.237.52.33.
Two other host names, along with mail.web-vision.pl, www.zsmor.pl and tomasznicieja.com, also share IP numbers with optimlab.pl.
Name Servers
The NS records for optimlab.pl point to four name servers: dns6.linuxpl.com, dns7.linuxpl.com, ns6.linuxpl.com and ns7.linuxpl.com.
The name servers of optimlab.pl overlap at least partially with those of other domains — among them edl.pl, ckktrening.pl, bibldop.pl and two more.
These name servers commonly appear in delegations together with dns1.linuxpl.com, dns2.linuxpl.com, ns3.cyberfolks.pl and 3 other.
dns6.linuxpl.com resolves to 94.152.255.111, as does dns7.linuxpl.com. ns6.linuxpl.com resolves to 94.152.254.111, as does ns7.linuxpl.com.
Host names pointing to 94.152.255.111 IP addresses: dns6.linuxpl.com and dns7.linuxpl.com.
Host names pointing to 94.152.254.111 IP addresses: ns6.linuxpl.com and ns7.linuxpl.com.
Mail Servers
The sole mail server for optimlab.pl is mail.optimlab.pl.
mail.optimlab.pl has exactly one IP number: 91.237.52.33.