biofeedback.pl - robtex.com
biofeedback.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.17.41.136🇵🇱 ATMAN-ISP-AS217.17.32.0/20 ATMAN (PL) | ||||||
| PTR | s8.netstrefa.pl | ||||||
| NS | ns1.netstrefa.pl ⭐ | ||||||
| A | 217.17.41.136🇵🇱 ATMAN-ISP-AS217.17.32.0/20 ATMAN (PL) | ||||||
| PTR | s8.netstrefa.pl | ||||||
| NS | ns2.netstrefa.pl | ||||||
| A | 85.232.229.234🇵🇱 ATMAN-ISP-AS85.232.224.0/19 ATMAN (PL) | ||||||
| PTR | rev-85.232.229.234.atman.pl | ||||||
| NS | ns3.netstrefa.pl ⚠️ Not in zone NS records | ||||||
| A | 217.17.41.142🇵🇱 ATMAN-ISP-AS217.17.32.0/20 ATMAN (PL) | ||||||
| PTR | mx142.netstrefa.pl | ||||||
| MX | biofeedback.pl ⭐ | ||||||
| A | 217.17.41.136🇵🇱 ATMAN-ISP-AS217.17.32.0/20 ATMAN (PL) | ||||||
| PTR | s8.netstrefa.pl | ||||||
| TXT | v=spf1 ip4:217.17.41.136 include:_spf.s8.netstrefa.pl +a +mx +ip4:217.17.41.1... | ||||||
| SOA | ns1.netstrefa.plrootadmin@netstrefa.pl 2026-01-31 #2 | ||||||
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=1774683050 | ||||||
MX for
biofeedback.pl |
Subdomains
www.biofeedback.pl |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.netstrefa.pl2015-07-23 → 2026-03-28 · 2 obs
● 2026-03-28 09:28:44
●NSns2.netstrefa.pl2015-07-23 → 2026-03-28 · 2 obs
● 2026-03-28 09:28:44
●NSns3.netstrefa.pl2026-03-15 → 2026-03-28 · 3 obs
● 2026-03-15 08:21:50
● 2026-03-28 09:28:44
●MXbiofeedback.pl2015-07-23 → 2026-03-28 · 2 obs
● 2026-03-28 09:28:44
○A145.239.29.82019-03-24 → 2019-03-24 · 4 obs
● 2019-03-24 11:49:02
○ 2026-03-15 08:21:50
○ 2026-03-28 09:28:44
●A217.17.41.1362026-03-15 → 2026-03-28 · 3 obs
● 2026-03-15 08:21:50
● 2026-03-28 09:28:44
○A85.232.238.2132015-07-23 → 2017-02-11 · 4 obs
● 2017-02-11 03:19:20
○ 2019-03-24 11:49:02
○ 2026-03-28 09:28:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl... | - |
| biofeedback.pl | ns2.netstrefa.pl, ns1.netstrefa.pl, ns3.netstrefa.pl | 3 records |
✅ Authoritative Response
Server:85.232.229.234
NS records: ns2.netstrefa.pl, ns1.netstrefa.pl, ns3.netstrefa.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for biofeedback.pl (unsigned zone)
⏱️ Timing
Total: 726ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.17.41.136 |
| NS | 2 | ns2.netstrefa.pl, ns1.netstrefa.pl |
| MX | 1 | biofeedback.pl (pri: 0) |
| TXT | 1 | v=spf1 ip4:217.17.41.136 include:_spf.s8 |
| SOA | 1 | ns1.netstrefa.pl rootadmin.netstrefa.pl |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.netstrefa.pl, ns2.netstrefa.pl, ns1.netstrefa.pl)
Analysis
Hierarchy
biofeedback.pl is the parent of www.biofeedback.pl.
Mail Server Role
biofeedback.pl serves as the mail server for biofeedback.pl.
IP Addresses
biofeedback.pl resolves to a single IP address: 217.17.41.136.
Other host names including dysleksja.edu.pl, prekursor.art.pl, www.koparka.elblag24h.eu, endomedendoskopy.pl and focusmr.pl share IP numbers with biofeedback.pl.
Name Servers
biofeedback.pl is delegated to three name servers: ns1.netstrefa.pl, ns2.netstrefa.pl and ns3.netstrefa.pl.
biofeedback.pl at least partially shares name servers with other domains, including wierzejski.pl, netstrefa.eu, trojkalochow.pl, twojdent.pl and rybno.waw.pl.
These name servers are commonly used with ns1.rxnet.pl and ns2.rxnet.pl.
Hostnames with a single IP:
ns1.netstrefa.pl points to: 217.17.41.136.
ns2.netstrefa.pl points to: 85.232.229.234.
ns3.netstrefa.pl points to: 217.17.41.142.
Mail Servers
A single mail server handles biofeedback.pl.
biofeedback.pl points to a single IP: 217.17.41.136.