programko.net - dns.ninja
programko.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:28:ca:125::1🇨🇿 SuperNetwork2a01:28::/32 s.r.o. | ||||||
| A | 88.86.119.233🇨🇿 SuperNetwork88.86.96.0/19 s.r.o. | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | mx.web4u.cz ⭐ | ||||||
| A | 2001:1568::7012🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | mx.web4u.cz | ||||||
| A | 81.91.87.12🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | mx.web4u.cz | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2021-01-25 #1 | ||||||
net
| 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=1788428645 | ||||||
Same first word
programko.cz |
programko.net |
programko.sk |
programko.com |
Similar names
markpogor.net |
markgopro.com |
programok.com |
okprogram.com |
programok.info |
korpogram.com |
korpogram.app |
okprogram.org |
promkargo.ru |
okprogram.xyz |
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●A2a01:28:ca:125::12026-08-29 → 2026-09-03 · 2 obs
● 2026-09-03 10:10:14
●A88.86.119.2332026-08-29 → 2026-09-03 · 2 obs
● 2026-09-03 10:10:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | c.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net... | - |
| programko.net | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:85.207.53.12
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for programko.net (unsigned zone)
⏱️ Timing
Total: 998ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.86.119.233 |
| AAAA | 1 | 2a01:28:ca:125::1 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mx.web4u.cz (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
IP Addresses
programko.net has two IP addresses: 88.86.119.233 and 2a01:28:ca:125::1
frontend.cz, oabk.cz, mail.mikmik.cz and two other host names share IP numbers with programko.net.
Name Servers
The NS records for programko.net delegate to ns2.web4u.cz and ns.web4u.cz.
programko.net uses the same name servers as several other domains — among them czechmuaythai.cz, ptszsoft.cz, fjstyle.cz and two more.
ns2.web4u.cz resolves to 85.207.53.12 and 2a02:a40:100:28ff::12. Likewise, ns.web4u.cz resolves to 185.14.224.241 and 2001:1568:fd::241 — two IP addresses apiece.
Mail Servers
Mail for programko.net is handled by a single mail server, mx.web4u.cz.
programko.net uses an identical mail server configuration to several other domains — among them zahradnictvi-branka.cz, vysocan.eu, dilafine.com and two more.
programko.net has mail servers in common with other domains — plynove-vzpery.cz being one example.
mx.web4u.cz resolves to two IP numbers — 81.91.87.12 and 2001:1568::7012.