flexinet.cz - dns.ninja
flexinet.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a00:4b40:aaaa:2011::6🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 37.9.175.212🇸🇰 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 | ||||||
| PTR | ns1.websupport.eu | ||||||
| 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 | ||||||
| PTR | ns2.websupport.eu | ||||||
| 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 | ||||||
| PTR | ns3.websupport.eu | ||||||
| MX | mx10.active24.cz ⭐ | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:85🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 45.13.137.85🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
| PTR | mx10.active24.cz | ||||||
| MX | mx20.active24.cz(100) | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:86🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 45.13.137.86🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
| PTR | mx20.active24.cz | ||||||
| TXT | v=spf1 a mx include:_spf.websupport.cz -all | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1754398509 | ||||||
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=1785520041 | ||||||
Subdomains
Same first word
flexinet.nl |
flexinet.be |
flexinet.ca |
flexinet.nu |
flexinet.de |
flexinet.com.vn |
flexinet.net.br |
flexinet.com |
flexinet.in |
flexinet.co.uk |
flexinet.cz |
flexinet.com.au |
flexinet.info |
flexinet.uk |
flexinet.com.br |
flexinet.sk |
Similar names
DNS History
16 records (7 active, 9 former)
○NSalfa.ns.active24.cz2015-08-22 → 2017-05-15 · 4 obs
● 2017-05-15 19:47:14
○ 2026-02-16 21:20:14
○ 2026-07-31 18:36:08
○NSbeta.ns.active24.cz2015-08-22 → 2017-05-15 · 4 obs
● 2017-05-15 19:47:14
○ 2026-02-16 21:20:14
○ 2026-07-31 18:36:08
○NSgama.ns.active24.sk2015-08-22 → 2017-05-15 · 4 obs
● 2017-05-15 19:47:14
○ 2026-02-16 21:20:14
○ 2026-07-31 18:36:08
●NSns1.websupport.cz2026-02-16 → 2026-07-31 · 3 obs
● 2026-02-16 21:20:14
● 2026-07-31 18:36:08
●NSns2.websupport.cz2026-02-16 → 2026-07-31 · 3 obs
● 2026-02-16 21:20:14
● 2026-07-31 18:36:08
●NSns3.websupport.eu2026-02-16 → 2026-07-31 · 3 obs
● 2026-02-16 21:20:14
● 2026-07-31 18:36:08
○MXalt1.aspmx.l.google.com2015-08-22 → 2017-05-15 · 4 obs
● 2017-05-15 19:47:14
○ 2026-02-16 21:20:14
○ 2026-07-31 18:36:08
○MXalt2.aspmx.l.google.com2015-08-22 → 2017-05-15 · 4 obs
● 2017-05-15 19:47:14
○ 2026-02-16 21:20:14
○ 2026-07-31 18:36:08
○MXaspmx.l.google.com2015-08-22 → 2017-05-15 · 4 obs
● 2017-05-15 19:47:14
○ 2026-02-16 21:20:14
○ 2026-07-31 18:36:08
○MXaspmx2.googlemail.com2015-08-22 → 2017-05-15 · 4 obs
● 2017-05-15 19:47:14
○ 2026-02-16 21:20:14
○ 2026-07-31 18:36:08
●MXmx10.active24.cz2026-02-16 → 2026-07-31 · 3 obs
● 2026-02-16 21:20:14
● 2026-07-31 18:36:08
●MXmx20.active24.cz2026-02-16 → 2026-07-31 · 3 obs
● 2026-02-16 21:20:14
● 2026-07-31 18:36:08
○A178.238.37.1812015-12-14 → 2017-05-15 · 5 obs
● 2015-12-14 18:43:56
● 2017-05-15 19:47:14
○ 2026-02-16 21:20:14
○ 2026-07-31 18:36:08
●A2a00:4b40:aaaa:2011::62026-02-16 → 2026-07-31 · 3 obs
● 2026-02-16 21:20:14
● 2026-07-31 18:36:08
●A37.9.175.2122026-02-16 → 2026-07-31 · 3 obs
● 2026-02-16 21:20:14
● 2026-07-31 18:36:08
○A82.113.60.742015-08-22 → 2015-08-22 · 3 obs
○ 2015-12-14 18:43:56
○ 2026-07-31 18:36:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | - |
| flexinet.cz | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:185.71.159.12
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: 765ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.212 |
| AAAA | 1 | 2a00:4b40:aaaa:2011::6 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | mx10.active24.cz (pri: 10), mx20.active24.cz (pri: 100) |
| TXT | 1 | v=spf1 a mx include:_spf.websupport.cz - |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
Hierarchy
flexinet.cz is the parent domain of rm1.flexinet.cz and ou.flexinet.cz.
IP Addresses
flexinet.cz directs to two IP numbers, 37.9.175.212 and 2a00:4b40:aaaa:2011::6
Additional host names — cvzd.cz, cz.fzv.cz, klasektrading.cz and two others — share IP numbers with flexinet.cz.
Name Servers
flexinet.cz carries NS records delegating to ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
flexinet.cz partially shares its NS delegation with several other domains, including neatcode.sk, eliskasestakova.cz, austri.cz and two others.
ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu are three hostnames that each resolve to a pair of IP addresses: ns1.websupport.cz to 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz to 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu to 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
flexinet.cz has two mail servers: mx10.active24.cz and mx20.active24.cz.
flexinet.cz shares the same mail server setup as other domains, including hefleyengine.com, riot.cz, hubertpoul.com and two others.
mx10.active24.cz and mx20.active24.cz both carry two IP addresses. The A records for mx10.active24.cz are 45.13.137.85 and 2a00:4b40:aaaa:2101:45:13:137:85; the A records for mx20.active24.cz are 45.13.137.86 and 2a00:4b40:aaaa:2101:45:13:137:86.