topinka.eu - robtex.com
topinka.eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.91.83.141🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | unassigned-81-91-83-141.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 2007-10-31 #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=1126463439 | ||||||
Subdomains
mail.topinka.eu |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
○MXmail.topinka.eu2015-05-16 → 2017-04-04 · 4 obs
● 2017-04-04 23:00:38
○ 2026-06-11 10:35:20
○ 2026-07-26 10:02:26
●MXmx.web4u.cz2026-06-11 → 2026-07-26 · 3 obs
● 2026-06-11 10:35:20
● 2026-07-26 10:02:26
●A81.91.83.1412015-05-16 → 2026-07-26 · 2 obs
● 2026-07-26 10:02:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | w.dns.eu, x.dns.eu, si.dns.eu, be.dns.eu... | - |
| topinka.eu | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:85.207.53.12
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1048ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.83.141 |
| 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
topinka.eu is the parent zone for mail.topinka.eu.
IP Addresses
topinka.eu resolves to one IP address: 81.91.83.141.
mail.ckeso.cz, pramaro.cz, ckeso.cz and ckeso.tabory.cz are examples of host names that share IP numbers with topinka.eu.
Name Servers
Two name servers handle the delegation for topinka.eu: ns2.web4u.cz and ns.web4u.cz.
topinka.eu uses the same name servers as several other domains — among them geologyiraq.cz, newcorp.cz, air-charter.cz and two more.
ns2.web4u.cz and ns.web4u.cz both carry two IP addresses. The A records for ns2.web4u.cz are 85.207.53.12 and 2a02:a40:100:28ff::12; the A records for ns.web4u.cz are 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
Mail for topinka.eu is handled by a single mail server, mx.web4u.cz.
topinka.eu uses an identical mail server configuration to several other domains — among them adamantine.cz, leoxpress.com, marionetti.eu and two more.
topinka.eu uses mail servers that are also used by other domains, including euroimpex.cz, meva.cz and lipovy.cz.
The host mx.web4u.cz resolves to 81.91.87.12 and 2001:1568::7012 — two IP addresses.