mindfullness.cz - robtex.com
mindfullness.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.91.86.12🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | php53.web4u.cz | ||||||
| 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 | mx.web4u.cz ⭐ | ||||||
| A | 2001:1568::7012🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | mx.web4u.cz | ||||||
| A | 81.91.87.12🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | mx.web4u.cz | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2013-11-07 #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=1775987257 | ||||||
Subdomains
mail.mindfullness.cz |
Same first word
mindfullness.cz |
mindfullness.de |
mindfullness.co.uk |
mindfullness.es |
mindfullness.nl |
mindfullness.it |
mindfullness.se |
DNS History
5 records (4 active, 1 former)
○MXmail.mindfullness.cz2015-07-18 → 2017-03-23 · 4 obs
● 2017-03-23 10:03:34
○ 2020-01-04 14:17:40
○ 2026-04-12 10:25:22
●MXmx.web4u.cz2020-01-04 → 2026-04-12 · 3 obs
● 2020-01-04 14:17:40
● 2026-04-12 10:25:22
●A81.91.86.122015-07-18 → 2026-04-12 · 2 obs
● 2026-04-12 10:25:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| mindfullness.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: 881ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.12 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mx.web4u.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
mindfullness.cz is the parent of mail.mindfullness.cz.
IP Addresses
mindfullness.cz resolves to one IP number: 81.91.86.12.
other host names including baran.cz, speechfruit.com, e-mailzal.iretex.cz, it4home.cz and bssmedia.cz share IP numbers with mindfullness.cz.
Name Servers
mindfullness.cz is delegated to two name servers ns2.web4u.cz and ns.web4u.cz.
mindfullness.cz shares the same name server setup as other domains, for instance chatarelax.cz, coolaudio.cz, pkbr.cz, omega-financial.cz and marias.cz.
mindfullness.cz at least partially shares name servers with other domains, for instance varicad.com.
Host names with two IP numbers:
The host name ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12; the host name ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.
Mail Servers
mindfullness.cz is handled by a single mail server, mx.web4u.cz.
mindfullness.cz shares the same mail server setup as other domains, for instance groupwise.cz, akkf.cz, dascb.cz, top-edit.eu and seizis.org.
mindfullness.cz shares at least partially some mail servers with other domains, including isosklo.cz, dkskolin.cz and ixio.cz.
mx.web4u.cz resolves to two IP numbers: 2001:1568::7012 and 81.91.87.12.