a-byte.eu - robtex.com
a-byte.eu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.91.85.34🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | m136-web.server4u.cz | ||||||
| NS | ns1.cyberhost.cz ⭐ | ||||||
| A | 81.91.85.93🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | mail.cybers.cz | ||||||
| NS | ns2.cyberhost.cz | ||||||
| A | 81.91.85.252🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | ns2.cybers.cz | ||||||
| MX | mail.a-byte.eu ⭐ | ||||||
| A | 81.91.85.93🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | mail.cybers.cz | ||||||
| TXT | v=spf1 mx a ip4:81.91.85.229 ip4:81.91.85.89 ip4:81.91.85.94 -all | ||||||
| SOA | ns1.cyberhost.czadmin@web4u.cz serial=2603250703 | ||||||
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=1122637523 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.cyberhost.cz2015-09-23 → 2026-03-25 · 2 obs
● 2026-03-25 06:06:06
●NSns2.cyberhost.cz2015-09-23 → 2026-03-25 · 2 obs
● 2026-03-25 06:06:06
●MXmail.a-byte.eu2015-09-23 → 2026-03-25 · 2 obs
● 2026-03-25 06:06:06
○A81.91.85.1352015-09-23 → 2017-04-01 · 4 obs
● 2017-04-01 20:38:34
○ 2026-03-23 15:01:50
○ 2026-03-25 06:06:06
●A81.91.85.342026-03-23 → 2026-03-25 · 3 obs
● 2026-03-23 15:01:50
● 2026-03-25 06:06:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu... | - |
| a-byte.eu | ns1.cyberhost.cz, ns2.cyberhost.cz | - |
✅ Authoritative Response
Server:81.91.85.93
NS records: ns1.cyberhost.cz, ns2.cyberhost.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a-byte.eu (unsigned zone)
⏱️ Timing
Total: 2064ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.85.34 |
| NS | 2 | ns2.cyberhost.cz, ns1.cyberhost.cz |
| MX | 1 | mail.a-byte.eu (pri: 10) |
| TXT | 1 | v=spf1 mx a ip4:81.91.85.229 ip4:81.91.8 |
| SOA | 1 | ns1.cyberhost.cz admin.web4u.cz |
Analysis
Hierarchy
a-byte.eu is a parent of portal.a-byte.eu and mail.a-byte.eu.
IP Addresses
a-byte.eu points to a single IP number: 81.91.85.34.
Other host names, for instance portal.a-byte.eu, e-lazne.eu, trustm.cz, barfly.cz and rexteam.cz share IP numbers with a-byte.eu.
Name Servers
a-byte.eu is delegated to two name servers: ns1.cyberhost.cz and ns2.cyberhost.cz.
a-byte.eu uses the same name server setup as other domains, for instance cyberdesign.cz, e-lazne.eu, wellness-agentur.eu, fantasticland.eu and trustm.cz.
a-byte.eu shares name servers with other domains at least partially, for instance paveltoman.info and solator.cz.
these name servers are often used together with the name servers ns3.cyberhost.cz.
Host names with one IP number:
ns1.cyberhost.cz points to: 81.91.85.93.
ns2.cyberhost.cz points to: 81.91.85.252.
Mail Servers
The mail server for a-byte.eu is mail.a-byte.eu.
Host name mail.a-byte.eu resolves to IP 81.91.85.93.