flexidata.cz - robtex.com
flexidata.cz
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | ns2.web4u.cz โญ | ||||||
| A | 2a02:a40:100:28ff::12๐จ๐ฟ BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12๐จ๐ฟ BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241๐จ๐ฟ WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241๐จ๐ฟ WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | 5ea9b2e1b4e9c7fb.mx2.emailprofi.seznam.cz โญ | ||||||
| A | 2a02:598:2::1146๐จ๐ฟ SEZNAM-CZ2a02:598:2::/48 | ||||||
| PTR | wildcard.mx2.emailprofi.seznam.cz | ||||||
| A | 77.75.77.146๐จ๐ฟ SEZNAM-CZ77.75.76.0/23 SEZNAM - III | ||||||
| PTR | wildcard.mx2.emailprofi.seznam.cz | ||||||
| MX | 5ea9b2e1b4e9c7fb.mx1.emailprofi.seznam.cz(20) | ||||||
| A | 2a02:598:2::1056๐จ๐ฟ SEZNAM-CZ2a02:598:2::/48 | ||||||
| PTR | wildcard.mx1.emailprofi.seznam.cz | ||||||
| A | 77.75.77.56๐จ๐ฟ SEZNAM-CZ77.75.76.0/23 SEZNAM - III | ||||||
| PTR | wildcard.mx1.emailprofi.seznam.cz | ||||||
| TXT | v=spf1 include:spf.seznam.cz -all | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-09-10 #2 | ||||||
cz
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | a.ns.nic.cz โญ ๐ | ||||||
| NS | b.ns.nic.cz ๐ | ||||||
| NS | c.ns.nic.cz ๐ | ||||||
| NS | d.ns.nic.cz ๐ | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1771291036 | ||||||
Same first word
flexidata.cz |
flexidata.vn |
Similar names
DNS History
6 records (4 active, 2 former)
โMX5ea9b2e1b4e9c7fb.mx1.emailprofi.seznam.cz2026-03-22 โ 2026-03-22 ยท 2 obs
โ 2026-03-22 17:04:12
โMX5ea9b2e1b4e9c7fb.mx2.emailprofi.seznam.cz2026-03-22 โ 2026-03-22 ยท 2 obs
โ 2026-03-22 17:04:12
โMXmail.flexidata.cz2015-08-04 โ 2020-04-10 ยท 3 obs
โ 2020-04-10 16:07:40
โ 2026-03-22 17:04:12
โA95.168.196.782015-08-04 โ 2020-04-10 ยท 3 obs
โ 2020-04-10 16:07:40
โ 2026-03-22 17:04:12
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| flexidata.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
โ Authoritative Response
Server: 185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
๐ DNSSEC Status
๐ Secure (DNSSEC validated)
Chain of trust verified from root to domain
โฑ๏ธ Timing
Total: 1072ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | 5ea9b2e1b4e9c7fb.mx2.emailprofi.seznam.c, 5ea9b2e1b4e9c7fb.mx1.emailprofi.seznam.c |
| TXT | 1 | v=spf1 include:spf.seznam.cz -all |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
๐ Glue Records Collected
Total: 12
In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)
Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)
Analysis
Name Servers
flexidata.cz is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
flexidata.cz uses the same name server setup as other domains such as fruko.cz, websense.cz, ictlogic.eu, sceny.eu and jomax.cz.
Host names with two IP numbers:
ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12; ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.
Mail Servers
Two mail servers 5ea9b2e1b4e9c7fb.mx1.emailprofi.seznam.cz and 5ea9b2e1b4e9c7fb.mx2.emailprofi.seznam.cz handle flexidata.cz.
Host names with two IP numbers:
5ea9b2e1b4e9c7fb.mx1.emailprofi.seznam.cz points to 2a02:598:2::1056 and 77.75.77.56; 5ea9b2e1b4e9c7fb.mx2.emailprofi.seznam.cz points to 2a02:598:2::1146 and 77.75.77.146.