postmaster.telekomplus.cz - robtex.com
postmaster.telekomplus.cz
| CNAME | telekomplus.cz | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.185.232.147🇨🇿 MASTER-AS89.185.224.0/19 MASTER-NET-3 | ||||||
| PTR | jala02.dc-1.datahost.cz | ||||||
| NS | ns2.server4you.cz ⭐ | ||||||
| A | 77.93.215.80🇨🇿 MASTER-AS77.93.192.0/19 MASTER-NET-4 | ||||||
| PTR | alpha.server4you.cz | ||||||
| NS | ns.server4you.cz ⚠️ Not in parent delegation | ||||||
| A | 85.118.129.10🇨🇿 MASTER-AS85.118.128.0/21 CZ-MASTER-20120312 | ||||||
| PTR | 85-118-129-10.static.masterinter.net | ||||||
| NS | ns.tripsi.com ⚠️ Not in zone NS records | ||||||
| A | 77.93.215.80🇨🇿 MASTER-AS77.93.192.0/19 MASTER-NET-4 | ||||||
| PTR | alpha.server4you.cz | ||||||
| MX | mail.datahost.cz ⭐ | ||||||
| A | 89.185.232.135🇨🇿 MASTER-AS89.185.224.0/19 MASTER-NET-3 | ||||||
| PTR | mail.datahost.cz | ||||||
| TXT | v=spf1 mx a:mail.datahost.cz a:jala02.dc-1.datahost.cz ~all | ||||||
| SOA | ns.server4you.czpostmaster@telekomplus.cz 2024-04-26 #3 | ||||||
telekomplus.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.185.232.147🇨🇿 MASTER-AS89.185.224.0/19 MASTER-NET-3 | ||||||
| NS | ns2.server4you.cz ⭐ | ||||||
| NS | ns.server4you.cz ⚠️ Not in parent delegation | ||||||
| NS | ns.tripsi.com ⚠️ Not in zone NS records | ||||||
| MX | mail.datahost.cz ⭐ | ||||||
| TXT | v=spf1 mx a:mail.datahost.cz a:jala02.dc-1.datahost.cz ~all | ||||||
| SOA | ns.server4you.czpostmaster@telekomplus.cz 2024-04-26 #3 | ||||||
Same first word
Similar names
DNS History
5 records (1 active, 4 former)
○NSns.server4you.cz2015-12-17 → 2016-04-24 · 4 obs
● 2016-04-24 03:56:54
○ 2026-03-27 16:51:56
○ 2026-08-05 23:41:56
○NSns2.server4you.cz2015-12-17 → 2016-04-24 · 4 obs
● 2016-04-24 03:56:54
○ 2026-03-27 16:51:56
○ 2026-08-05 23:41:56
○MXmail.telekomplus.cz2015-12-17 → 2016-04-24 · 4 obs
● 2016-04-24 03:56:54
○ 2026-03-27 16:51:56
○ 2026-08-05 23:41:56
○A89.185.232.1432015-08-07 → 2016-04-24 · 4 obs
● 2016-04-24 03:56:54
○ 2026-03-27 16:51:56
○ 2026-08-05 23:41:56
●CNAMEtelekomplus.cz2015-08-07 → 2026-08-05 · 2 obs
● 2026-08-05 23:41:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| telekomplus.cz | ns.server4you.cz, ns.tripsi.com | 1 record |
✅ Authoritative Response
Server:85.118.129.10
NS records: ns.server4you.cz, ns.tripsi.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for telekomplus.cz (unsigned zone)
⏱️ Timing
Total: 1411ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | telekomplus.cz |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns.server4you.cz)
Analysis
IP Addresses
postmaster.telekomplus.cz has exactly one IP address — 89.185.232.147.
rumitex.cz, venku.cz, dzerelo.cz plus two other host names have IP numbers in common with postmaster.telekomplus.cz.
Name Servers
postmaster.telekomplus.cz is delegated to three name servers: ns.tripsi.com, ns2.server4you.cz and ns.server4you.cz.
At least some of postmaster.telekomplus.cz's name servers are shared with other domains, for example cistenistudni.cz, kocena.cz, om.cz and two more.
These name servers tend to be deployed in combination with the name servers ns2.datahost.cz and ns.datahost.cz.
ns.tripsi.com and ns2.server4you.cz both resolve to 77.93.215.80, while ns.server4you.cz resolves to 85.118.129.10; all three hostnames carry exactly one IP address.
ns.tripsi.com and ns2.server4you.cz are host names that each point to 77.93.215.80 IP addresses.
Mail Servers
postmaster.telekomplus.cz uses one mail server — mail.datahost.cz.
The mail server setup of postmaster.telekomplus.cz matches that of other domains such as fotbal-frenstat.cz, thalie.cz, replay-cz.cz and two others.
postmaster.telekomplus.cz overlaps on mail servers with certain other domains, hhauto.cz among them.
mail.datahost.cz resolves to a single IP number: 89.185.232.135.