tech4.pl - dns.ninja
tech4.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.15.123.221🇵🇱 KAMPINOS-AS194.15.120.0/22 | ||||||
| PTR | poczta.tech4.pl | ||||||
| NS | ns1.nazwa.pl ⭐ | ||||||
| A | 77.55.125.10🇵🇱 NETARTGROUP77.55.125.0/24 | ||||||
| PTR | ns1.nazwa.pl | ||||||
| NS | ns2.nazwa.pl | ||||||
| A | 77.55.126.10🇵🇱 NETARTGROUP77.55.126.0/24 | ||||||
| PTR | ns2.nazwa.pl | ||||||
| NS | ns3.nazwa.pl | ||||||
| A | 77.55.127.10🇵🇱 NETARTGROUP77.55.127.0/24 | ||||||
| PTR | ns3.nazwa.pl | ||||||
| MX | poczta.tech4.pl ⭐ | ||||||
| A | 194.15.123.221🇵🇱 KAMPINOS-AS194.15.120.0/22 | ||||||
| PTR | poczta.tech4.pl | ||||||
| TXT | v=spf1 mx a -all | ||||||
| SOA | ns1.nazwa.plbiuro@nazwa.pl serial=2008133225 | ||||||
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=1786516303 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●MXpoczta.tech4.pl2015-07-21 → 2026-08-12 · 2 obs
● 2026-08-12 12:58:02
○MXzen.tech4.pl2015-07-21 → 2017-04-10 · 4 obs
● 2017-04-10 01:22:02
○ 2026-03-24 16:17:18
○ 2026-08-12 12:58:02
●A194.15.123.2212026-03-29 → 2026-08-12 · 3 obs
● 2026-03-29 02:35:06
● 2026-08-12 12:58:02
○A217.96.18.1552015-07-21 → 2017-04-10 · 4 obs
● 2017-04-10 01:22:02
○ 2026-03-24 16:17:18
○ 2026-08-12 12:58:02
○A83.13.245.742026-03-24 → 2026-03-27 · 5 obs
● 2026-03-24 16:17:18
● 2026-03-27 06:22:36
○ 2026-03-29 02:35:06
○ 2026-08-12 12:58:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | b-dns.pl, h-dns.pl, f-dns.pl, a-dns.pl... | - |
| tech4.pl | ns1.nazwa.pl, ns3.nazwa.pl, ns2.nazwa.pl | 3 records |
✅ Authoritative Response
Server:77.55.125.10
NS records: ns1.nazwa.pl, ns3.nazwa.pl, ns2.nazwa.pl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1171ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.15.123.221 |
| NS | 3 | ns3.nazwa.pl, ns1.nazwa.pl... |
| MX | 1 | poczta.tech4.pl (pri: 10) |
| TXT | 1 | v=spf1 mx a -all |
| SOA | 1 | ns1.nazwa.pl biuro.nazwa.pl |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.nazwa.pl, ns2.nazwa.pl, ns1.nazwa.pl)
Analysis
Hierarchy
tech4.pl has four subdomains: mail.tech4.pl, poczta.tech4.pl, ip78.tech4.pl and zen.tech4.pl.
IP Addresses
tech4.pl has exactly one IP address — 194.15.123.221.
Other hosts including zen.tech4.pl, poczta.tech4.pl and ip-194.15.123.221.laito.net.pl share IP addresses with tech4.pl.
Name Servers
tech4.pl is delegated to three name servers: ns1.nazwa.pl, ns2.nazwa.pl and ns3.nazwa.pl.
There is at least partial name server overlap between tech4.pl and other domains — lazycatkitchen.pl, actitata.com, server898282.nazwa.pl and two more among them.
The name servers ns1.netart.pl, ns2.netart.pl and ns3.netart.pl are often found in combination with these name servers.
ns1.nazwa.pl, ns2.nazwa.pl and ns3.nazwa.pl each resolve to a single IP address: ns1.nazwa.pl resolves to 77.55.125.10, ns2.nazwa.pl resolves to 77.55.126.10 and ns3.nazwa.pl resolves to 77.55.127.10.
Mail Servers
tech4.pl uses one mail server — poczta.tech4.pl.
poczta.tech4.pl resolves to a single IP number: 194.15.123.221.