devcon.sk - dns.ninja
devcon.sk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.185.225.244🇨🇿 MASTER-AS89.185.224.0/19 MASTER-NET-3 | ||||||
| PTR | 89-185-225-244.static.masterinter.net | ||||||
| NS | ns01.gopas.cz ⭐ | ||||||
| A | 2a01:430:23c:0:231::1🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ | ||||||
| PTR | ns01.gopas.cz | ||||||
| A | 89.185.225.231🇨🇿 MASTER-AS89.185.224.0/19 MASTER-NET-3 | ||||||
| PTR | ns01.gopas.cz | ||||||
| NS | names.dialtelecom.cz | ||||||
| A | 2001:1508:1003:1::2🇨🇿 QUANTCOM-AS2001:1508::/32 | ||||||
| PTR | names.dialtelecom.cz | ||||||
| A | 195.250.136.2🇨🇿 QUANTCOM-AS195.250.128.0/19 | ||||||
| PTR | names.dialtelecom.cz | ||||||
| NS | ns02.gopas.cz | ||||||
| A | 2a01:430:23c:0:232::1🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ | ||||||
| PTR | ns02.gopas.cz | ||||||
| A | 89.185.225.232🇨🇿 MASTER-AS89.185.224.0/19 MASTER-NET-3 | ||||||
| PTR | ns02.gopas.cz | ||||||
| NS | sns.dialtelecom.cz | ||||||
| A | 2001:1508:1003:2::4🇨🇿 QUANTCOM-AS2001:1508::/32 | ||||||
| PTR | sns.dialtelecom.cz | ||||||
| A | 195.250.128.2🇨🇿 QUANTCOM-AS195.250.128.0/19 | ||||||
| PTR | sns.dialtelecom.cz | ||||||
| SOA | ns01.gopas.czhostmaster@gopas.cz serial=152 | ||||||
sk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | m.tld.sk ⭐ | ||||||
| NS | e.tld.sk | ||||||
| NS | f.tld.sk | ||||||
| NS | g.tld.sk | ||||||
| NS | h.tld.sk | ||||||
| SOA | m.tld.skhostmaster@sk-nic.sk serial=2018542715 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSnames.dialtelecom.cz2015-06-09 → 2026-06-04 · 2 obs
● 2026-06-04 09:42:14
○NSns.gopas.cz2015-06-09 → 2016-05-01 · 4 obs
● 2016-05-01 16:26:22
○ 2026-04-05 12:41:56
○ 2026-06-04 09:42:14
●NSns01.gopas.cz2026-04-05 → 2026-06-04 · 3 obs
● 2026-04-05 12:41:56
● 2026-06-04 09:42:14
●NSns02.gopas.cz2026-04-05 → 2026-06-04 · 3 obs
● 2026-04-05 12:41:56
● 2026-06-04 09:42:14
●NSsns.dialtelecom.cz2015-06-09 → 2026-06-04 · 2 obs
● 2026-06-04 09:42:14
●A89.185.225.2442026-04-05 → 2026-06-04 · 2 obs
● 2026-06-04 09:42:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sk | g.tld.sk, f.tld.sk, e.tld.sk, h.tld.sk | - |
| devcon.sk | sns.dialtelecom.cz, ns01.gopas.cz, ns02.gopas.cz, names.dialtelecom.cz | - |
✅ Authoritative Response
Server:195.250.136.2
NS records: sns.dialtelecom.cz, ns01.gopas.cz, ns02.gopas.cz, names.dialtelecom.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for devcon.sk (unsigned zone)
⏱️ Timing
Total: 2431ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.185.225.244 |
| NS | 4 | ns02.gopas.cz, ns01.gopas.cz... |
| SOA | 1 | ns01.gopas.cz hostmaster.gopas.cz |
Analysis
IP Addresses
devcon.sk points to a single IP number: 89.185.225.244.
Additional host names — teched.cz, dday.sk, skola.cz and two others — share IP numbers with devcon.sk.
Name Servers
devcon.sk carries NS records pointing to 4 name servers: names.dialtelecom.cz, sns.dialtelecom.cz, ns01.gopas.cz and ns02.gopas.cz.
There is at least partial name server overlap between devcon.sk and other domains — ucetnikavarna.cz, 200.128.195.in-addr.arpa, seacomp.cz and two more among them.
These name servers are frequently paired with the name servers names.vol.cz, sns.vol.cz, ns.eon.cz and two others.
All four hostnames — names.dialtelecom.cz, sns.dialtelecom.cz, ns01.gopas.cz and ns02.gopas.cz — resolve to two IP numbers apiece: names.dialtelecom.cz to 195.250.136.2 and 2001:1508:1003:1::2; sns.dialtelecom.cz to 195.250.128.2 and 2001:1508:1003:2::4; ns01.gopas.cz to 89.185.225.231 and 2a01:430:23c:0:231::1; ns02.gopas.cz to 89.185.225.232 and 2a01:430:23c:0:232::1.