system4u.pl - robtex.com
system4u.pl
| DNSSEC | ⚠️ Not signed | ||||||
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=1776234699 | ||||||
Previously MX for
system4u.pl |
Same first word
system4u.pl |
system4u.eu |
system4u.net |
system4u.co |
system4u.de |
system4u.biz |
system4u.in |
system4u.info |
system4u.co.nz |
system4u.mobi |
system4u.com |
system4u.cz |
Similar names
DNS History
9 records (0 active, 9 former)
○NSdns.home.pl2017-07-09 → 2017-07-09 · 3 obs
● 2017-07-09 12:54:30
○ 2026-04-04 18:37:46
○ 2026-04-15 15:02:10
○ 2026-04-04 18:37:46
○ 2026-04-15 15:02:10
○NSdns2.home.pl2017-07-09 → 2017-07-09 · 3 obs
● 2017-07-09 12:54:30
○ 2026-04-04 18:37:46
○ 2026-04-15 15:02:10
○ 2026-04-04 18:37:46
○ 2026-04-15 15:02:10
○NSdns3.home.pl2017-07-09 → 2017-07-09 · 3 obs
● 2017-07-09 12:54:30
○ 2026-04-04 18:37:46
○ 2026-04-15 15:02:10
○ 2026-04-04 18:37:46
○ 2026-04-15 15:02:10
○NSns1.aftermarket.pl2026-04-04 → 2026-04-04 · 4 obs
○ 2017-07-09 12:54:30
● 2026-04-04 18:37:46
○ 2026-04-15 15:02:08
○ 2026-04-15 15:02:10
● 2026-04-04 18:37:46
○ 2026-04-15 15:02:08
○ 2026-04-15 15:02:10
○NSns2.aftermarket.pl2026-04-04 → 2026-04-04 · 4 obs
○ 2017-07-09 12:54:30
● 2026-04-04 18:37:46
○ 2026-04-15 15:02:08
○ 2026-04-15 15:02:10
● 2026-04-04 18:37:46
○ 2026-04-15 15:02:08
○ 2026-04-15 15:02:10
○MXblackhole.aftermarket.pl2026-04-04 → 2026-04-04 · 4 obs
○ 2017-07-09 12:54:30
● 2026-04-04 18:37:46
○ 2026-04-15 15:02:08
○ 2026-04-15 15:02:10
● 2026-04-04 18:37:46
○ 2026-04-15 15:02:08
○ 2026-04-15 15:02:10
○MXsystem4u.pl2017-07-09 → 2017-07-09 · 3 obs
● 2017-07-09 12:54:30
○ 2026-04-04 18:37:46
○ 2026-04-15 15:02:10
○ 2026-04-04 18:37:46
○ 2026-04-15 15:02:10
○A185.253.212.222026-04-04 → 2026-04-04 · 4 obs
○ 2017-07-09 12:54:30
● 2026-04-04 18:37:46
○ 2026-04-15 15:02:08
○ 2026-04-15 15:02:10
● 2026-04-04 18:37:46
○ 2026-04-15 15:02:08
○ 2026-04-15 15:02:10
○A62.129.205.2542017-07-09 → 2017-07-09 · 3 obs
● 2017-07-09 12:54:30
○ 2026-04-04 18:37:46
○ 2026-04-15 15:02:10
○ 2026-04-04 18:37:46
○ 2026-04-15 15:02:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | f-dns.pl, b-dns.pl, j-dns.pl, h-dns.pl... | - |
✅ Authoritative Response
Server:194.0.25.29
NS records: f-dns.pl, b-dns.pl, j-dns.pl, h-dns.pl, d-dns.pl, a-dns.pl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 663ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|