csadplzen.eu - robtex.com
csadplzen.eu
| 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 2011-09-30 #1 | ||||||
eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | si.dns.eu ⭐ | ||||||
| NS | be.dns.eu | ||||||
| NS | w.dns.eu | ||||||
| NS | x.dns.eu | ||||||
| NS | y.dns.eu | ||||||
| SOA | si.dns.eutech@eurid.eu serial=1123661523 | ||||||
Subdomains
mail.csadplzen.eu |
Same first word
csadplzen.cz |
csadplzen.eu |
DNS History
5 records (4 active, 1 former)
○MXmail.csadplzen.eu2015-06-17 → 2018-08-16 · 4 obs
● 2018-08-16 21:58:54
○ 2026-03-23 09:54:52
○ 2026-04-27 14:06:08
●MXmx.web4u.cz2026-03-23 → 2026-04-27 · 3 obs
● 2026-03-23 09:54:52
● 2026-04-27 14:06:08
●A81.91.86.122015-06-17 → 2026-04-27 · 2 obs
● 2026-04-27 14:06:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | be.dns.eu, w.dns.eu, x.dns.eu, y.dns.eu... | - |
| csadplzen.eu | ns.web4u.cz, ns2.web4u.cz | - |
✅ 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: 1071ms | 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 |
Analysis
Hierarchy
The parent of mail.csadplzen.eu is csadplzen.eu.
IP Addresses
csadplzen.eu points to a single IP address: 81.91.86.12.
Other host names such as braglia.cz, metodo.cz, php53.web4u.cz, marsak.net and cottocrudo.eu share IPs with csadplzen.eu.
Name Servers
Two name servers ns2.web4u.cz and ns.web4u.cz handle the delegation for csadplzen.eu.
csadplzen.eu shares the same name server setup as other domains, for example juliusmeinlprimehomes.com, bio-world.cz, zdarma-mp3-ke-stazeni.cz, zahradni-rostlinky.cz and exinen.com.
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
The mx.web4u.cz mail server handles csadplzen.eu.
csadplzen.eu shares the same mail server setup as other domains, including e-metropol.net, spravadomen.org, jhdata.cz, hifionline.eu and moravian-wines.net.
csadplzen.eu shares at least some mail servers with other domains, for example jp1.cz and lascort.cz.
mx.web4u.cz points to two IP numbers: 2001:1568::7012 and 81.91.87.12.