it-developer.pl - dns.ninja
it-developer.pl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 64.176.64.85🇵🇱 AS-VULTR64.176.64.0/20 Vultr Assigned Prefix | ||||||
| NS | ns0.kolosowscy.pl ⭐ | ||||||
| A | 64.176.64.85🇵🇱 AS-VULTR64.176.64.0/20 Vultr Assigned Prefix | ||||||
| NS | ns1.kolosowscy.pl | ||||||
| A | 85.232.237.226🇵🇱 ATMAN-ISP-AS85.232.224.0/19 ATMAN (PL) | ||||||
| MX | hell.kolosowscy.pl ⭐ | ||||||
| A | 64.176.64.85🇵🇱 AS-VULTR64.176.64.0/20 Vultr Assigned Prefix | ||||||
| TXT | v=spf1 include:kolosowscy.pl -all | ||||||
| TXT | MS=ms49233214 | ||||||
| SOA | ns0.kolosowscy.pldns@kolosowscy.pl 2026-03-12 #5 | ||||||
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=1782628343 | ||||||
Same first word
it-developer.de |
it-developer.pl |
it-developer.nl |
Similar names
DNS History
10 records (4 active, 6 former)
●NSns0.kolosowscy.pl2015-07-19 → 2026-06-28 · 2 obs
● 2026-06-28 18:00:30
●NSns1.kolosowscy.pl2015-07-19 → 2026-06-28 · 2 obs
● 2026-06-28 18:00:30
○NSns1.siemiradzcy.pl2015-07-19 → 2018-08-15 · 4 obs
● 2018-08-15 02:47:34
○ 2026-05-02 05:56:56
○ 2026-06-28 18:00:30
○NSns1.software-developer.io2018-08-15 → 2018-08-15 · 4 obs
● 2018-08-15 02:47:34
○ 2026-05-02 05:56:56
○ 2026-06-28 18:00:30
●MXhell.kolosowscy.pl2026-05-02 → 2026-06-28 · 3 obs
● 2026-05-02 05:56:56
● 2026-06-28 18:00:30
○MXrut.siemiradzcy.pl2015-07-19 → 2016-03-16 · 4 obs
● 2016-03-16 15:17:18
○ 2016-09-23 17:18:46
○ 2026-06-28 18:00:30
○MXzimbra.kolosowscy.pl2015-07-19 → 2018-08-15 · 4 obs
● 2018-08-15 02:47:34
○ 2026-05-02 05:56:56
○ 2026-06-28 18:00:30
○A176.241.243.152015-07-19 → 2016-09-23 · 4 obs
● 2016-09-23 17:18:46
○ 2018-08-15 02:47:34
○ 2026-06-28 18:00:30
●A64.176.64.852026-05-02 → 2026-06-28 · 3 obs
● 2026-05-02 05:56:56
● 2026-06-28 18:00:30
○A80.238.125.1642018-08-15 → 2018-08-15 · 4 obs
● 2018-08-15 02:47:34
○ 2026-05-02 05:56:56
○ 2026-06-28 18:00:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl... | - |
| it-developer.pl | ns1.kolosowscy.pl, ns0.kolosowscy.pl | 2 records |
✅ Authoritative Response
Server:85.232.237.226
NS records: ns1.kolosowscy.pl, ns0.kolosowscy.pl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 663ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.176.64.85 |
| NS | 2 | ns0.kolosowscy.pl, ns1.kolosowscy.pl |
| MX | 1 | hell.kolosowscy.pl (pri: 10) |
| TXT | 2 | MS=ms49233214, v=spf1 include:kolosowscy.pl -all |
| SOA | 1 | ns0.kolosowscy.pl dns.kolosowscy.pl |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.kolosowscy.pl, ns0.kolosowscy.pl)
Analysis
IP Addresses
it-developer.pl resolves to one IP address: 64.176.64.85.
software-developer.io, software-developer.tk, kolosowscy.pl and two other host names share IP numbers with it-developer.pl.
Name Servers
DNS delegation for it-developer.pl points to two name servers: ns0.kolosowscy.pl and ns1.kolosowscy.pl.
it-developer.pl uses the same name servers as several other domains — among them xut.pl, jkolo.pl, software-developer.io and two more.
it-developer.pl has partial name server overlap with other domains, including siemiradzcy.pl.
These name servers are routinely deployed together with the name servers ns1.siemiradzcy.pl.
ns0.kolosowscy.pl → 64.176.64.85 and ns1.kolosowscy.pl → 85.232.237.226: one IP number per host name.
Mail Servers
Mail for it-developer.pl is handled by a single mail server, hell.kolosowscy.pl.
it-developer.pl uses an identical mail server configuration to several other domains — among them xut.pl, jkolo.pl, software-developer.io and two more.
hell.kolosowscy.pl has exactly one IP number: 64.176.64.85.