duspro.cz - robtex.com
duspro.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a00:4b40:aaaa:2005::7🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 37.9.175.164🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| NS | ns1.websupport.cz ⭐ | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| NS | ns2.websupport.cz | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48 | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24 | ||||||
| NS | ns3.websupport.eu | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| MX | mailin1.duspro.cz ⭐ | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:8🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| PTR | m1-u6-mx.websupport.sk | ||||||
| A | 45.13.137.7🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
| PTR | mx10.websupport.at | ||||||
| MX | mailin2.duspro.cz(100) | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:9🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| PTR | m1-u7-mx.websupport.sk | ||||||
| A | 45.13.137.9🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
| PTR | m1-u7-mx.websupport.sk | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1782954926 | ||||||
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=1784935042 | ||||||
Subdomains
Same first word
Similar names
DNS History
16 records (7 active, 9 former)
○NSalfa.ns.active24.cz2015-07-25 → 2018-12-10 · 4 obs
● 2018-12-10 14:00:58
○ 2026-06-14 14:18:00
○ 2026-07-25 00:18:12
○NSbeta.ns.active24.cz2015-07-25 → 2018-12-10 · 4 obs
● 2018-12-10 14:00:58
○ 2026-06-14 14:18:00
○ 2026-07-25 00:18:12
○NSgama.ns.active24.sk2015-07-25 → 2018-12-10 · 4 obs
● 2018-12-10 14:00:58
○ 2026-06-14 14:18:00
○ 2026-07-25 00:18:12
●NSns1.websupport.cz2026-06-14 → 2026-07-25 · 3 obs
● 2026-06-14 14:18:00
● 2026-07-25 00:18:12
●NSns2.websupport.cz2026-06-14 → 2026-07-25 · 3 obs
● 2026-06-14 14:18:00
● 2026-07-25 00:18:12
●NSns3.websupport.eu2026-06-14 → 2026-07-25 · 3 obs
● 2026-06-14 14:18:00
● 2026-07-25 00:18:12
○MXin.smtp.cz2015-07-25 → 2017-02-10 · 4 obs
● 2017-02-10 18:20:22
○ 2018-12-10 14:00:58
○ 2026-07-25 00:18:12
●MXmailin1.duspro.cz2026-06-14 → 2026-07-25 · 3 obs
● 2026-06-14 14:18:00
● 2026-07-25 00:18:12
●MXmailin2.duspro.cz2026-06-14 → 2026-07-25 · 3 obs
● 2026-06-14 14:18:00
● 2026-07-25 00:18:12
○MXmx.smtp.cz2015-07-25 → 2017-02-10 · 4 obs
● 2017-02-10 18:20:22
○ 2018-12-10 14:00:58
○ 2026-07-25 00:18:12
○MXmx1.active24.com2018-12-10 → 2018-12-10 · 4 obs
● 2018-12-10 14:00:58
○ 2026-06-14 14:18:00
○ 2026-07-25 00:18:12
○MXmx2.active24.com2018-12-10 → 2018-12-10 · 4 obs
● 2018-12-10 14:00:58
○ 2026-06-14 14:18:00
○ 2026-07-25 00:18:12
●A2a00:4b40:aaaa:2005::72026-06-14 → 2026-07-25 · 3 obs
● 2026-06-14 14:18:00
● 2026-07-25 00:18:12
○A2a02:4a8:ac24:104::98:1612015-07-25 → 2018-12-10 · 4 obs
● 2018-12-10 14:00:58
○ 2026-06-14 14:18:00
○ 2026-07-25 00:18:12
●A37.9.175.1642026-06-14 → 2026-07-25 · 3 obs
● 2026-06-14 14:18:00
● 2026-07-25 00:18:12
○A81.95.98.1612015-07-25 → 2018-12-10 · 4 obs
● 2018-12-10 14:00:58
○ 2026-06-14 14:18:00
○ 2026-07-25 00:18:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| duspro.cz | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:45.10.97.11
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2910ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.164 |
| AAAA | 1 | 2a00:4b40:aaaa:2005::7 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | mailin1.duspro.cz (pri: 10), mailin2.duspro.cz (pri: 100) |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
Hierarchy
The parent domain of mailin1.duspro.cz and mailin2.duspro.cz is duspro.cz.
IP Addresses
duspro.cz directs to two IP numbers, 37.9.175.164 and 2a00:4b40:aaaa:2005::7
Among the host names that share IP numbers with duspro.cz are null.lucielataschen.com, jmac.cz, procarp.cz and two others.
Name Servers
duspro.cz has three name servers — ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
duspro.cz shares at least some of its name servers with other domains, including it-kontrakt.sk, profik.tv, eccam.com and two others.
These name servers are frequently paired with the name servers ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
Each of ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu points to two IP numbers. ns1.websupport.cz points to 45.10.97.11 and 2a10:bbc0::11. ns2.websupport.cz points to 185.71.159.12 and 2a02:250:3::12. ns3.websupport.eu points to 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
The MX records for duspro.cz point to two mail servers: mailin1.duspro.cz and mailin2.duspro.cz.
Both mailin1.duspro.cz and mailin2.duspro.cz have two IP addresses each. mailin1.duspro.cz resolves to 45.13.137.7 and 2a00:4b40:aaaa:2101:45:13:137:8; mailin2.duspro.cz resolves to 45.13.137.9 and 2a00:4b40:aaaa:2101:45:13:137:9.