4dev.pl - robtex.com
4dev.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2.57.137.6🇵🇱 PL-BEYOND-AS2.57.136.0/22 | ||||||
| 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 | mx4.zenbox.pl ⭐ | ||||||
| A | 46.245.193.99🇵🇱 PL-BEYOND-AS46.245.193.0/24 | ||||||
| PTR | mx.zenbox.pl | ||||||
| MX | mx5.zenbox.pl(20) | ||||||
| A | 46.245.193.99🇵🇱 PL-BEYOND-AS46.245.193.0/24 | ||||||
| PTR | mx.zenbox.pl | ||||||
| TXT | v=spf1 a mx include:_spf.zenbox.pl -all | ||||||
| SOA | ns1.zenbox.plkontakt@zenbox.pl 2026-02-02 #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=1784701925 | ||||||
Subdomains
katalog.4dev.pl |
Same first word
4dev.org |
4dev.it |
4dev.space |
4dev.eu |
4dev.win |
4dev.ro |
4dev.nl |
4dev.tech |
4dev.pt |
4dev.me |
4dev.com |
4dev.su |
4dev.pp.ua |
4dev.top |
4dev.info |
4dev.ru |
4dev.pl |
4dev.ai |
4dev.website |
Similar names
DNS History
10 records (5 active, 5 former)
○MXmx1.zenbox.pl2015-07-13 → 2015-07-13 · 3 obs
○ 2015-09-23 15:10:06
○ 2026-07-22 15:20:20
○MXmx2.zenbox.pl2015-07-13 → 2015-07-13 · 3 obs
○ 2015-09-23 15:10:06
○ 2026-07-22 15:20:20
○MXmx3.zenbox.pl2015-07-13 → 2015-07-13 · 3 obs
○ 2015-09-23 15:10:06
○ 2026-07-22 15:20:20
●MXmx4.zenbox.pl2015-09-23 → 2026-07-22 · 6 obs
● 2015-09-23 15:10:06
● 2026-05-09 18:44:48
○ 2026-05-12 13:46:56
● 2026-06-18 14:19:20
● 2026-07-22 15:20:20
●MXmx5.zenbox.pl2015-09-23 → 2026-07-22 · 6 obs
● 2015-09-23 15:10:06
● 2026-05-09 18:44:48
○ 2026-05-12 13:46:56
● 2026-06-18 14:19:20
● 2026-07-22 15:20:20
○A185.23.21.1112015-11-22 → 2016-06-13 · 5 obs
● 2015-11-22 03:43:20
● 2016-06-13 20:38:44
○ 2026-03-07 22:27:24
○ 2026-07-22 15:20:20
○A185.23.21.142015-07-13 → 2016-06-13 · 4 obs
● 2016-06-13 20:38:44
○ 2026-03-07 22:27:24
○ 2026-07-22 15:20:20
●A2.57.137.62026-03-07 → 2026-07-22 · 6 obs
● 2026-03-07 22:27:24
● 2026-05-09 18:44:48
○ 2026-05-12 13:46:56
● 2026-06-18 14:19:20
● 2026-07-22 15:20:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | d-dns.pl, f-dns.pl, h-dns.pl, j-dns.pl... | - |
| 4dev.pl | ns1.zenbox.pl, ns2.zenbox.pl | 2 records |
✅ Authoritative Response
Server:94.152.254.108
NS records: ns1.zenbox.pl, ns2.zenbox.pl
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at pl: Error: DNS query timeout: 185.159.197.48 for DNSKEY pl
⏱️ Timing
Total: 3333ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 2.57.137.6 |
| NS | 2 | ns1.zenbox.pl, ns2.zenbox.pl |
| MX | 2 | mx4.zenbox.pl (pri: 10), mx5.zenbox.pl (pri: 20) |
| TXT | 1 | v=spf1 a mx include:_spf.zenbox.pl -all |
| SOA | 1 | ns1.zenbox.pl kontakt.zenbox.pl |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.zenbox.pl, ns1.zenbox.pl)
Analysis
Hierarchy
katalog.4dev.pl is a subdomain of 4dev.pl.
IP Addresses
4dev.pl points to a single IP number: 2.57.137.6.
Additional host names — www.ecokat.eu, oman.eu, dworzec.net and two others — share IP numbers with 4dev.pl.
Name Servers
4dev.pl has two authoritative name servers — ns1.zenbox.pl and ns2.zenbox.pl.
4dev.pl shares its name server setup with other domains, including s28.zenbox.pl, pharmfoot.com, mobileacademy.pl and two others.
The name servers for 4dev.pl overlap at least partially with those of other domains — for example lamicosmetics.com.pl.
Both ns1.zenbox.pl and ns2.zenbox.pl have a single IP address each — ns1.zenbox.pl resolves to 94.152.254.108 while ns2.zenbox.pl resolves to 94.152.255.108.
Mail Servers
4dev.pl has two mail servers: mx4.zenbox.pl and mx5.zenbox.pl.
4dev.pl shares the same mail server setup as other domains, including bemko.pl, greater.pl, nioska.com and two others.
The mail servers of 4dev.pl overlap at least partially with those of other domains, including roljurczyk.com, hubertowka.com.pl and projektmieszkanie.pl.
These mail servers are frequently seen alongside the mail servers mx1.zenbox.pl.
mx4.zenbox.pl and mx5.zenbox.pl each point to one IP address — 46.245.193.99.
The host names mx4.zenbox.pl and mx5.zenbox.pl both resolve to 46.245.193.99 IP addresses.