concretbruk.pl - robtex.com
concretbruk.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.237.52.78🇵🇱 BIZNESHOST-AS91.237.52.0/24 | ||||||
| PTR | s139.cyber-folks.pl | ||||||
| NS | dns1.linuxpl.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 94.152.254.111🇵🇱 OXYLION-AS94.152.254.0/24 | ||||||
| PTR | ns1.cyberfolks.pl | ||||||
| NS | dns2.linuxpl.com ⚠️ Not in parent delegation | ||||||
| A | 94.152.255.111🇵🇱 OXYLION-AS94.152.255.0/24 | ||||||
| PTR | ns2.cyberfolks.pl | ||||||
| NS | dns7.linuxpl.com ⚠️ Not in zone NS records | ||||||
| A | 94.152.255.111🇵🇱 OXYLION-AS94.152.255.0/24 | ||||||
| PTR | ns2.cyberfolks.pl | ||||||
| NS | ns7.linuxpl.com ⚠️ Not in zone NS records | ||||||
| A | 94.152.254.111🇵🇱 OXYLION-AS94.152.254.0/24 | ||||||
| PTR | ns1.cyberfolks.pl | ||||||
| MX | mail.concretbruk.pl ⭐ | ||||||
| A | 91.237.52.78🇵🇱 BIZNESHOST-AS91.237.52.0/24 | ||||||
| PTR | s139.cyber-folks.pl | ||||||
| TXT | v=spf1 a mx include:spf.linuxpl.com ip4:91.237.52.78 ~all | ||||||
| SOA | dns1.linuxpl.comhostmaster@concretbruk.pl 2023-11-21 #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=1777012444 | ||||||
Subdomains
mail.concretbruk.pl |
Same first word
concretbruk.pl |
DNS History
6 records (6 active, 0 former)
●NSdns1.linuxpl.com2026-03-29 → 2026-04-25 · 2 obs
● 2026-04-25 01:13:08
●NSdns2.linuxpl.com2026-03-29 → 2026-04-25 · 2 obs
● 2026-04-25 01:13:08
●NSdns7.linuxpl.com2026-03-29 → 2026-04-25 · 2 obs
● 2026-04-25 01:13:08
●NSns7.linuxpl.com2026-03-29 → 2026-04-25 · 2 obs
● 2026-04-25 01:13:08
●MXmail.concretbruk.pl2026-03-29 → 2026-04-25 · 2 obs
● 2026-04-25 01:13:08
●A91.237.52.782026-03-29 → 2026-04-25 · 2 obs
● 2026-04-25 01:13:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl... | - |
| concretbruk.pl | dns7.linuxpl.com, ns7.linuxpl.com | - |
✅ Authoritative Response
Server:94.152.255.111
NS records: dns7.linuxpl.com, ns7.linuxpl.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for concretbruk.pl (unsigned zone)
⏱️ Timing
Total: 904ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.237.52.78 |
| NS | 2 | dns2.linuxpl.com, dns1.linuxpl.com |
| MX | 1 | mail.concretbruk.pl (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.linuxpl.com ip4: |
| SOA | 1 | dns1.linuxpl.com hostmaster.concretbruk. |
Analysis
Hierarchy
mail.concretbruk.pl is a child of concretbruk.pl.
IP Addresses
concretbruk.pl resolves to one IP number: 91.237.52.78.
Other host names, for instance mail.magiaimion.pl, etestament.pl, rocktopia.pl, mail.artbau.eu and bartis.net.pl share IP numbers with concretbruk.pl.
Name Servers
concretbruk.pl delegates to four name servers: dns1.linuxpl.com, dns2.linuxpl.com, dns7.linuxpl.com and ns7.linuxpl.com.
concretbruk.pl at least partially shares name servers with other domains, including racquet.pl, stol-bet.pl, da.redemptor.pl, scena-mobilna.pl and akrol.pl.
These name servers are commonly used with dns10.linuxpl.com, ns1.cyberfolks.pl, ns2.cyberfolks.pl, ns10.linuxpl.com, ns3.cyberfolks.pl, dns11.linuxpl.com, ns11.linuxpl.com, dns3.linuxpl.com, dns12.linuxpl.com and ns12.linuxpl.com.
Host names with one IP:
dns1.linuxpl.com points to 94.152.254.111.
dns2.linuxpl.com points to 94.152.255.111.
dns7.linuxpl.com points to 94.152.255.111.
ns7.linuxpl.com points to 94.152.254.111.
Host names pointing to 94.152.254.111: dns1.linuxpl.com and ns7.linuxpl.com.
Host names pointing to 94.152.255.111: dns2.linuxpl.com and dns7.linuxpl.com.
Mail Servers
A single mail server handles concretbruk.pl, mail.concretbruk.pl.
Host name mail.concretbruk.pl resolves to a single IP: 91.237.52.78.