a4training.com - robtex.com
a4training.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2.57.137.43🇵🇱 PL-BEYOND-AS2.57.136.0/22 | ||||||
| PTR | s43.zenbox.pl | ||||||
| NS | ns1.zenbox.pl ⭐ | ||||||
| A | 94.152.254.108🇵🇱 OXYLION-AS94.152.254.0/24 | ||||||
| PTR | 5e98fe6c.static.tld.pl | ||||||
| NS | ns2.zenbox.pl | ||||||
| A | 94.152.255.108🇵🇱 OXYLION-AS94.152.255.0/24 | ||||||
| PTR | 5e98ff6c.static.tld.pl | ||||||
| MX | mx1.zenbox.pl ⭐ | ||||||
| A | 46.245.193.99🇵🇱 PL-BEYOND-AS46.245.193.0/24 | ||||||
| PTR | mx.zenbox.pl | ||||||
| MX | mx2.zenbox.pl(20) | ||||||
| A | 46.245.193.11🇵🇱 PL-BEYOND-AS46.245.193.0/24 | ||||||
| PTR | lb1.zenbox.pl | ||||||
| MX | mx3.zenbox.pl(30) | ||||||
| A | 46.245.193.12🇵🇱 PL-BEYOND-AS46.245.193.0/24 | ||||||
| PTR | lb2.zenbox.pl | ||||||
| TXT | v=spf1 a mx include:_spf.zenbox.pl -all | ||||||
| TXT | google-site-verification=PAUAlK2gOnf89Ap2TQVM5975rKyR72-NuBRTAswVLxM | ||||||
| SOA | ns1.zenbox.plkontakt@zenbox.pl 2026-03-25 #5 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774686097 | ||||||
Same first word
a4training.com |
DNS History
11 records (6 active, 5 former)
○NSns1.dhosting.pl2015-07-21 → 2020-01-16 · 4 obs
● 2020-01-16 02:18:20
○ 2026-03-24 22:02:24
○ 2026-03-28 08:44:26
●NSns1.zenbox.pl2026-03-24 → 2026-03-28 · 3 obs
● 2026-03-24 22:02:24
● 2026-03-28 08:44:26
○NSns2.dhosting.pl2015-07-21 → 2020-01-16 · 4 obs
● 2020-01-16 02:18:20
○ 2026-03-24 22:02:24
○ 2026-03-28 08:44:26
●NSns2.zenbox.pl2026-03-24 → 2026-03-28 · 3 obs
● 2026-03-24 22:02:24
● 2026-03-28 08:44:26
○MXmx-1.dpoczta.pl2015-07-21 → 2020-01-16 · 4 obs
● 2020-01-16 02:18:20
○ 2026-03-24 22:02:24
○ 2026-03-28 08:44:26
○MXmx-2.dpoczta.pl2015-07-21 → 2020-01-16 · 4 obs
● 2020-01-16 02:18:20
○ 2026-03-24 22:02:24
○ 2026-03-28 08:44:26
●MXmx1.zenbox.pl2026-03-24 → 2026-03-28 · 3 obs
● 2026-03-24 22:02:24
● 2026-03-28 08:44:26
●MXmx2.zenbox.pl2026-03-24 → 2026-03-28 · 3 obs
● 2026-03-24 22:02:24
● 2026-03-28 08:44:26
●MXmx3.zenbox.pl2026-03-24 → 2026-03-28 · 3 obs
● 2026-03-24 22:02:24
● 2026-03-28 08:44:26
○A109.95.156.12015-07-21 → 2020-01-16 · 4 obs
● 2020-01-16 02:18:20
○ 2026-03-24 22:02:24
○ 2026-03-28 08:44:26
●A2.57.137.432026-03-24 → 2026-03-28 · 3 obs
● 2026-03-24 22:02:24
● 2026-03-28 08:44:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| a4training.com | ns1.zenbox.pl, ns2.zenbox.pl | - |
✅ Authoritative Response
Server:94.152.255.108
NS records: ns1.zenbox.pl, ns2.zenbox.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a4training.com (unsigned zone)
⏱️ Timing
Total: 743ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 2.57.137.43 |
| NS | 2 | ns1.zenbox.pl, ns2.zenbox.pl |
| MX | 3 | mx2.zenbox.pl (pri: 20), mx3.zenbox.pl (pri: 30)... |
| TXT | 2 | v=spf1 a mx include:_spf.zenbox.pl -all, google-site-verification=PAUAlK2gOnf89Ap |
| SOA | 1 | ns1.zenbox.pl kontakt.zenbox.pl |
Analysis
IP Addresses
a4training.com points to IP number 2.57.137.43.
For instance, other host names hatex.pl, bmwx6.info, astrafidelis.eu, gach.pl and 116profile.benetrucks.pl share IP numbers with a4training.com.
Name Servers
a4training.com is delegated to two name servers: ns1.zenbox.pl and ns2.zenbox.pl.
a4training.com uses the same name server setup as other domains such as karczmachelminska.pl, caseclosed.pl, raz-event.pl, lucc.pl and skiguide.it.
a4training.com shares name servers with other domains at least partially, for example hcadvisor.pl.
Host names with one IP number:
ns1.zenbox.pl points to: 94.152.254.108.
ns2.zenbox.pl points to: 94.152.255.108.
Mail Servers
a4training.com is served by three mail servers: mx1.zenbox.pl, mx2.zenbox.pl and mx3.zenbox.pl.
a4training.com shares mail servers with other domains at least partially; for instance juventurbp.pl, panartur.com, doojcapio.pl, playstar.co.pl and kubaszczepanik.pl.
Host names with a single IP address: mx1.zenbox.pl points to 46.245.193.99; mx2.zenbox.pl points to 46.245.193.11; mx3.zenbox.pl points to 46.245.193.12.