fxuj.cz - robtex.com
fxuj.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:1568:84:210::1🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | m107.server4u.cz | ||||||
| A | 81.91.84.210🇨🇿 WEB4U81.91.80.0/21 | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | m107.server4u.cz ⭐ | ||||||
| A | 81.91.84.210🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | m107.server4u.cz | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2015-09-18 #1 | ||||||
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=1777004254 | ||||||
Subdomains
www.fxuj.cz |
Same first word
Similar names
fuxj.cn |
fxju.com |
uxfj.com |
jxfu.edu.cn |
xfuj.com |
uxjf.com |
xfju.com |
jfxu.cn |
ufxj.com |
jxuf.com |
fxju.info |
jxfu.com |
jufx.com |
xufj.cn |
ujfx.com |
fuxj.com |
fjxu.com |
juxf.com |
xjfu.cn |
xfju.com.cn |
DNS History
11 records (5 active, 6 former)
●NSns.web4u.cz2026-03-26 → 2026-04-24 · 3 obs
● 2026-03-26 07:17:22
● 2026-04-24 04:42:02
○NSns1.hexageek.com2015-07-11 → 2016-03-02 · 4 obs
● 2016-03-02 17:42:26
○ 2026-03-26 07:17:22
○ 2026-04-24 04:42:02
○NSns2.hexageek.com2015-07-11 → 2016-03-02 · 4 obs
● 2016-03-02 17:42:26
○ 2026-03-26 07:17:22
○ 2026-04-24 04:42:02
●NSns2.web4u.cz2026-03-26 → 2026-04-24 · 3 obs
● 2026-03-26 07:17:22
● 2026-04-24 04:42:02
○NSns3.hexageek.com2015-07-11 → 2016-03-02 · 4 obs
● 2016-03-02 17:42:26
○ 2026-03-26 07:17:22
○ 2026-04-24 04:42:02
○NSns4.hexageek.com2015-07-11 → 2016-03-02 · 4 obs
● 2016-03-02 17:42:26
○ 2026-03-26 07:17:22
○ 2026-04-24 04:42:02
○NSns5.hexageek.com2015-07-11 → 2016-03-02 · 4 obs
● 2016-03-02 17:42:26
○ 2026-03-26 07:17:22
○ 2026-04-24 04:42:02
●MXm107.server4u.cz2026-03-26 → 2026-04-24 · 3 obs
● 2026-03-26 07:17:22
● 2026-04-24 04:42:02
○MXmail215.hexageek.com2015-07-11 → 2016-03-02 · 4 obs
● 2016-03-02 17:42:26
○ 2026-03-26 07:17:22
○ 2026-04-24 04:42:02
●A2001:1568:84:210::12026-03-26 → 2026-04-24 · 3 obs
● 2026-03-26 07:17:22
● 2026-04-24 04:42:02
●A81.91.84.2102015-07-11 → 2026-04-24 · 2 obs
● 2026-04-24 04:42:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| fxuj.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2015ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.84.210 |
| AAAA | 1 | 2001:1568:84:210::1 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | m107.server4u.cz (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)
Analysis
Hierarchy
fxuj.cz is a parent of www.fxuj.cz.
IP Addresses
fxuj.cz points to two IP numbers: 2001:1568:84:210::1 and 81.91.84.210.
Other host names, for instance staziste.cz, logo4u.cz, zhubnout.info, ceniny.com and mail.ceniny.com share IP numbers with fxuj.cz.
Name Servers
Delegation for fxuj.cz rests with two name servers, ns2.web4u.cz and ns.web4u.cz.
fxuj.cz shares the same name server setup as other domains, including cartridgetonery.cz, kridleni.cz, upgates.cz, lounky.cz and lodenicevltava.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
fxuj.cz is handled by a single mail server, m107.server4u.cz.
fxuj.cz uses the same mail server configuration as other domains, such as fly4u.cz, a4u.cz, bydlet.org, ceniny.com and golf4u.cz.
m107.server4u.cz points to a single IP: 81.91.84.210.