stefanka.com - dns.ninja
stefanka.com
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=1784626877 | ||||||
Subdomains
mail.stefanka.com |
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NS1.ns.gigaserver.cz2015-07-20 → 2026-07-21 · 2 obs
● 2026-07-21 09:45:06
●NS2.ns.gigaserver.cz2015-07-20 → 2026-07-21 · 2 obs
● 2026-07-21 09:45:06
●NS3.ns.gigaserver.cz2015-07-20 → 2026-07-21 · 2 obs
● 2026-07-21 09:45:06
●NS4.ns.gigaserver.cz2015-07-20 → 2026-07-21 · 2 obs
● 2026-07-21 09:45:06
●MXmail.gigaserver.cz2026-03-29 → 2026-07-21 · 3 obs
● 2026-03-29 05:03:30
● 2026-07-21 09:45:06
○MXmail.stefanka.com2015-07-20 → 2017-03-23 · 4 obs
● 2017-03-23 05:55:10
○ 2026-03-29 05:03:30
○ 2026-07-21 09:45:06
●A185.66.36.1382026-03-29 → 2026-07-21 · 3 obs
● 2026-03-29 05:03:30
● 2026-07-21 09:45:06
○A85.118.128.182015-07-20 → 2017-03-23 · 4 obs
● 2017-03-23 05:55:10
○ 2026-03-29 05:03:30
○ 2026-07-21 09:45:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| stefanka.com | 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz, 4.ns.gigaserver.cz | - |
✅ Authoritative Response
Server:40.67.208.152
NS records: 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz, 4.ns.gigaserver.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stefanka.com (unsigned zone)
⏱️ Timing
Total: 3773ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.66.36.138 |
| NS | 4 | 1.ns.gigaserver.cz, 2.ns.gigaserver.cz... |
| MX | 1 | mail.gigaserver.cz (pri: 10) |
| TXT | 1 | v=spf1 mx a include:smtp-gw.gigaserver.c |
| SOA | 1 | 1.ns.gigaserver.cz dns.gigaserver.cz |
Analysis
Hierarchy
mail.stefanka.com is a subdomain of stefanka.com.
IP Addresses
stefanka.com points to a single IP number: 185.66.36.138.
Additional host names — sppa.cz, systemah.cz, renmotor.cz and two others — share IP numbers with stefanka.com.
Name Servers
stefanka.com has four authoritative name servers: 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz and 4.ns.gigaserver.cz.
The name servers of stefanka.com overlap at least partially with those of other domains — among them aice.cz, damara.cz, fe-development.cz and two more.
The name servers ns1.gigaserver.cz, ns2.gigaserver.cz and ns3.gigaserver.cz are commonly seen alongside these name servers.
Each of the four hosts 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz and 4.ns.gigaserver.cz has two IP addresses. 1.ns.gigaserver.cz points to 185.66.36.92 and 2a03:1e20:0:5::92. 2.ns.gigaserver.cz points to 185.66.36.93 and 2a03:1e20:0:5::93. 3.ns.gigaserver.cz points to 185.66.36.250 and 2a03:1e20:0:5::250. 4.ns.gigaserver.cz points to 40.67.208.152 and 2603:1020:201::36d.
Mail Servers
stefanka.com has one mail server: mail.gigaserver.cz.
stefanka.com shares the same mail server setup as other domains, including arfe.cz, sim-ona.com, slapy-marine.cz and two others.
mail.gigaserver.cz has exactly one IP number: 185.66.36.222.