ostroh.net - robtex.com
ostroh.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.185.232.146🇨🇿 MASTER-AS89.185.224.0/19 MASTER-NET-3 | ||||||
| PTR | jala03.dc-1.datahost.cz | ||||||
| NS | ns2.datahost.cz ⭐ | ||||||
| A | 77.93.215.80🇨🇿 MASTER-AS77.93.192.0/19 MASTER-NET-4 | ||||||
| PTR | alpha.server4you.cz | ||||||
| NS | ns.datahost.cz | ||||||
| A | 85.118.129.10🇨🇿 MASTER-AS85.118.128.0/21 CZ-MASTER-20120312 | ||||||
| PTR | 85-118-129-10.static.masterinter.net | ||||||
| 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:lambda.datahost.cz ~all | ||||||
| SOA | ns.datahost.czpostmaster@ostroh.net 2025-02-14 #0 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785142467 | ||||||
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns.datahost.cz2015-08-08 → 2026-07-27 · 2 obs
● 2026-07-27 09:06:56
●NSns2.datahost.cz2015-08-08 → 2026-07-27 · 2 obs
● 2026-07-27 09:06:56
●MXmail.datahost.cz2026-06-21 → 2026-07-27 · 3 obs
● 2026-06-21 07:12:24
● 2026-07-27 09:06:56
○MXmail.ostroh.net2015-08-08 → 2018-10-04 · 4 obs
● 2018-10-04 06:57:36
○ 2026-06-21 07:12:24
○ 2026-07-27 09:06:56
○A89.185.232.1402015-08-08 → 2018-10-04 · 4 obs
● 2018-10-04 06:57:36
○ 2026-06-21 07:12:24
○ 2026-07-27 09:06:56
●A89.185.232.1462026-06-21 → 2026-07-27 · 3 obs
● 2026-06-21 07:12:24
● 2026-07-27 09:06:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ostroh.net | ns.datahost.cz, ns2.datahost.cz | - |
✅ Authoritative Response
Server:85.118.129.10
NS records: ns.datahost.cz, ns2.datahost.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ostroh.net (unsigned zone)
⏱️ Timing
Total: 703ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.185.232.146 |
| NS | 2 | ns2.datahost.cz, ns.datahost.cz |
| MX | 1 | mail.datahost.cz (pri: 10) |
| TXT | 1 | v=spf1 mx a:mail.datahost.cz a:lambda.da |
| SOA | 1 | ns.datahost.cz postmaster.ostroh.net |
Analysis
IP Addresses
ostroh.net directs to one IP number, which is 89.185.232.146.
Among the host names that share IP numbers with ostroh.net are rotop.cz, cerveny-praha.cz, guran.cz and two others.
Name Servers
The NS records for ostroh.net delegate to ns2.datahost.cz and ns.datahost.cz.
ostroh.net has the same name server delegation as a number of other domains, such as commart.cz, rotop.cz, creativehouse.cz and two more.
At least some of ostroh.net's name servers are shared with other domains, for example kontakt-ostrava.cz, nami-tech.com, sehor.cz and two more.
It is common for these name servers to be used in conjunction with the name servers ns.server4you.cz, ns2.server4you.cz and ns.tripsi.com.
Each of ns2.datahost.cz and ns.datahost.cz has one IP address: ns2.datahost.cz uses 77.93.215.80 and ns.datahost.cz uses 85.118.129.10.
Mail Servers
ostroh.net routes its mail through a single mail server, mail.datahost.cz.
ostroh.net has the same mail server arrangement as a number of other domains, for example verabinarova.cz, ozos.cz, top4office.cz and two more.
ostroh.net overlaps on mail servers with certain other domains, hhauto.cz among them.
mail.datahost.cz resolves to 89.185.232.135 and no other IP number.