duhasoft.cz - robtex.com
duhasoft.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 78.44.2.226🇨🇿 VODAFONE-CZ-AS78.44.0.0/16 Vodafone Czech Republic a.s. | ||||||
| PTR | mail.duhasoft.cz | ||||||
| NS | ns1.regzone.cz ⭐ | ||||||
| A | 2a00:19a0:3:71:0:d9c6:710a:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET | ||||||
| PTR | ns1.regzone.cz | ||||||
| A | 217.198.113.10🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET | ||||||
| PTR | ns1.regzone.cz | ||||||
| NS | ns1.regzone.de | ||||||
| A | 2600:3c02::f03c:91ff:fedb:a6e7🇺🇸 AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies | ||||||
| PTR | ns1.regzone.de | ||||||
| A | 23.92.29.43🇺🇸 AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies | ||||||
| PTR | ns1.regzone.de | ||||||
| NS | ns1.regzone.info | ||||||
| A | 2001:1528:147::10🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | ns1.regzone.info | ||||||
| A | 81.0.233.10🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT | ||||||
| PTR | ns1.regzone.info | ||||||
| MX | www.duhasoft.cz ⭐ | ||||||
| A | 78.44.2.226🇨🇿 VODAFONE-CZ-AS78.44.0.0/16 Vodafone Czech Republic a.s. | ||||||
| PTR | mail.duhasoft.cz | ||||||
| SOA | ns1.regzone.czadministrator@czechia.cz 2026-07-04 #2 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1785255445 | ||||||
Subdomains
www.duhasoft.cz |
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
○NSalfa.ns.active24.cz2015-08-01 → 2018-08-11 · 4 obs
● 2018-08-11 17:17:52
○ 2026-03-29 04:29:38
○ 2026-07-28 17:20:28
○NSbeta.ns.active24.cz2015-08-01 → 2018-08-11 · 4 obs
● 2018-08-11 17:17:52
○ 2026-03-29 04:29:38
○ 2026-07-28 17:20:28
○NSgama.ns.active24.sk2015-08-01 → 2018-08-11 · 4 obs
● 2018-08-11 17:17:52
○ 2026-03-29 04:29:38
○ 2026-07-28 17:20:28
●NSns1.regzone.cz2026-03-29 → 2026-07-28 · 3 obs
● 2026-03-29 04:29:38
● 2026-07-28 17:20:28
●NSns1.regzone.de2026-03-29 → 2026-07-28 · 3 obs
● 2026-03-29 04:29:38
● 2026-07-28 17:20:28
●NSns1.regzone.info2026-03-29 → 2026-07-28 · 3 obs
● 2026-03-29 04:29:38
● 2026-07-28 17:20:28
○MXds008.duhasoft.cz2015-08-01 → 2018-08-11 · 4 obs
● 2018-08-11 17:17:52
○ 2026-03-29 04:29:38
○ 2026-07-28 17:20:28
●MXwww.duhasoft.cz2026-06-30 → 2026-07-28 · 3 obs
● 2026-06-30 05:41:30
● 2026-07-28 17:20:28
○A77.240.178.2012015-08-01 → 2015-11-21 · 4 obs
● 2015-11-21 20:45:26
○ 2016-02-09 17:54:30
○ 2026-07-28 17:20:28
○A77.240.178.2062016-02-09 → 2018-08-11 · 5 obs
● 2016-02-09 17:54:30
● 2018-08-11 17:17:52
○ 2026-03-29 04:29:38
○ 2026-07-28 17:20:28
●A78.44.2.2262026-03-29 → 2026-07-28 · 3 obs
● 2026-03-29 04:29:38
● 2026-07-28 17:20:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| duhasoft.cz | ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info | 2 records |
✅ Authoritative Response
Server:23.92.29.43
NS records: ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1263ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.44.2.226 |
| NS | 3 | ns1.regzone.cz, ns1.regzone.de... |
| MX | 1 | www.duhasoft.cz (pri: 1) |
| SOA | 1 | ns1.regzone.cz administrator.czechia.cz |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)
Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)
Analysis
Hierarchy
duhasoft.cz is the parent zone for www.duhasoft.cz.
IP Addresses
duhasoft.cz resolves to one IP address: 78.44.2.226.
Other host names — www.duhasoft.com, www.duhasys.cz, www.duhasoft.cz and www.duhasoft.eu — share IP numbers with duhasoft.cz.
Name Servers
duhasoft.cz is delegated to three name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.
duhasoft.cz partially shares its NS delegation with several other domains, including agrio.com.pl, kefalo.cz, progresklima.com and two others.
ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info each resolve to two IP addresses: ns1.regzone.cz resolves to 217.198.113.10 and 2a00:19a0:3:71:0:d9c6:710a:1; ns1.regzone.de resolves to 23.92.29.43 and 2600:3c02::f03c:91ff:fedb:a6e7; ns1.regzone.info resolves to 81.0.233.10 and 2001:1528:147::10.
Mail Servers
Mail for duhasoft.cz is handled by a single mail server, www.duhasoft.cz.
www.duhasoft.cz resolves to a single IP number: 78.44.2.226.