ddacables.com - dns.ninja
ddacables.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.91.83.180🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | vs577.server4u.cz | ||||||
| NS | birkof ⭐ | ||||||
| NS | ns.fronk.cz | ||||||
| A | 2001:1568:d::577🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | vs577.server4u.cz | ||||||
| A | 81.91.83.180🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | vs577.server4u.cz | ||||||
| NS | ns2.fronk.cz | ||||||
| A | 2a03:56a0:10:1500:20c:29ff:fe80:8afe🇨🇿 JHCOMP-AS2a03:56a0::/32 JHComp network | ||||||
| A | 178.23.216.177🇨🇿 JHCOMP-AS178.23.216.0/21 JHComp network | ||||||
| PTR | cust17823216177.jhcomp.cz | ||||||
| MX | mail2.fronk.cz ⭐ | ||||||
| A | 81.91.83.180🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | vs577.server4u.cz | ||||||
| MX | mail.fronk.cz(20) | ||||||
| A | 81.91.83.180🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | vs577.server4u.cz | ||||||
| SOA | birkofroot@birkof.fronk.cz 2016-05-30 #1 | ||||||
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=1781273088 | ||||||
Subdomains
www.ddacables.com |
Same first word
ddacables.cz |
ddacables.com |
DNS History
6 records (6 active, 0 former)
●NSbirkof2015-05-24 → 2026-06-12 · 2 obs
● 2026-06-12 14:22:56
●A81.91.83.1802015-05-24 → 2026-06-12 · 2 obs
● 2026-06-12 14:22:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ddacables.com | ns.fronk.cz, ns2.fronk.cz | - |
✅ Authoritative Response
Server:81.91.83.180
NS records: ns.fronk.cz, ns2.fronk.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ddacables.com (unsigned zone)
⏱️ Timing
Total: 1524ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.83.180 |
| NS | 2 | ns.fronk.cz, ns2.fronk.cz |
| MX | 2 | mail2.fronk.cz (pri: 20), mail.fronk.cz (pri: 10) |
| SOA | 1 | birkof root.birkof.fronk.cz |
Analysis
Hierarchy
ddacables.com is the parent zone for www.ddacables.com.
IP Addresses
ddacables.com resolves to just one IP address, 81.91.83.180.
Two other host names, along with ondrejsoukup.com, www.fronk.cz and laskajelaska.cz, also share IP numbers with ddacables.com.
Name Servers
Three name servers are authoritative for ddacables.com: birkof, ns2.fronk.cz and ns.fronk.cz.
ddacables.com partially shares its NS delegation with several other domains, including heidi.cz, bolek.cz, ddacables.cz and two others.
Each of the two host names carries two IP addresses: ns2.fronk.cz points to 178.23.216.177 and 2a03:56a0:10:1500:20c:29ff:fe80:8afe, and ns.fronk.cz points to 81.91.83.180 and 2001:1568:d::577.
Mail Servers
ddacables.com is served by two mail servers, mail2.fronk.cz and mail.fronk.cz.
ddacables.com's MX records match those of several other domains — for example ddacables.cz, dagmarhavel.com, dagmarhavlova.cz and laskajelaska.cz.
mail2.fronk.cz and mail.fronk.cz share one IP address between them — 81.91.83.180.
These two host names — mail2.fronk.cz and mail.fronk.cz — each point to 81.91.83.180 IP addresses.