mentora.cz - robtex.com
mentora.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.185.5.191🇺🇸 Jacksonville192.185.5.0/24 | ||||||
| PTR | gator4033.hostgator.com | ||||||
| NS | ns8065.hostgator.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 192.185.5.19🇺🇸 Jacksonville192.185.5.0/24 | ||||||
| PTR | ns8065.hostgator.com | ||||||
| NS | ns3233.hostgator.com ⚠️ Not in zone NS records | ||||||
| A | 192.185.5.19🇺🇸 Jacksonville192.185.5.0/24 | ||||||
| PTR | ns8065.hostgator.com | ||||||
| NS | ns3234.hostgator.com ⚠️ Not in zone NS records | ||||||
| A | 192.185.5.190🇺🇸 Jacksonville192.185.5.0/24 | ||||||
| PTR | ns8066.hostgator.com | ||||||
| NS | ns8066.hostgator.com ⚠️ Not in parent delegation | ||||||
| A | 192.185.5.190🇺🇸 Jacksonville192.185.5.0/24 | ||||||
| PTR | ns8066.hostgator.com | ||||||
| MX | mail.mentora.cz ⭐ | ||||||
| A | 192.185.5.191🇺🇸 Jacksonville192.185.5.0/24 | ||||||
| PTR | gator4033.hostgator.com | ||||||
| TXT | v=spf1 a mx include:websitewelcome.com ~all | ||||||
| SOA | ns8065.hostgator.comroot@gator4033.hostgator.com 2026-07-19 #0 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1784533640 | ||||||
Previously MX for
mentora.cz |
Subdomains
mail.mentora.cz |
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●NSns3233.hostgator.com2015-06-22 → 2026-07-20 · 2 obs
● 2026-07-20 08:32:02
●NSns3234.hostgator.com2015-06-22 → 2026-07-20 · 2 obs
● 2026-07-20 08:32:02
●NSns8065.hostgator.com2015-06-22 → 2026-07-20 · 2 obs
● 2026-07-20 08:32:02
●NSns8066.hostgator.com2026-06-13 → 2026-07-20 · 3 obs
● 2026-06-13 11:22:02
● 2026-07-20 08:32:02
●MXmail.mentora.cz2026-06-13 → 2026-07-20 · 3 obs
● 2026-06-13 11:22:02
● 2026-07-20 08:32:02
○MXmentora.cz2015-06-22 → 2018-08-06 · 4 obs
● 2018-08-06 12:47:20
○ 2026-06-13 11:22:02
○ 2026-07-20 08:32:02
●A192.185.5.1912015-06-22 → 2026-07-20 · 2 obs
● 2026-07-20 08:32:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| mentora.cz | ns3233.hostgator.com, ns3234.hostgator.com | - |
✅ Authoritative Response
Server:192.185.5.190
NS records: ns3233.hostgator.com, ns3234.hostgator.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mentora.cz (unsigned zone)
⏱️ Timing
Total: 831ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.185.5.191 |
| NS | 2 | ns8066.hostgator.com, ns8065.hostgator.com |
| MX | 1 | mail.mentora.cz (pri: 0) |
| TXT | 1 | v=spf1 a mx include:websitewelcome.com ~ |
| SOA | 1 | ns8065.hostgator.com root.gator4033.host |
Analysis
Hierarchy
The domain mail.mentora.cz falls under the parent mentora.cz.
IP Addresses
mentora.cz has exactly one IP address — 192.185.5.191.
_dc-mx.47b024d475cb.vdispace.com, acpcongo.com, stopthehometax.com plus two other host names have IP numbers in common with mentora.cz.
Name Servers
Four name servers handle the delegation for mentora.cz: ns3233.hostgator.com, ns3234.hostgator.com, ns8065.hostgator.com and ns8066.hostgator.com.
At least some of mentora.cz's name servers are shared with other domains, for example alpineartscenter.org, only(0x6e756465)cams.com, openintro.net and two more.
These name servers tend to co-occur with hgns1.hostgator.com, hgns2.hostgator.com, ns1629.hostgator.com and 3 other name servers in the same DNS delegations.
ns3233.hostgator.com, ns3234.hostgator.com, ns8065.hostgator.com and ns8066.hostgator.com each point to exactly one IP address. ns3233.hostgator.com directs to 192.185.5.19, ns3234.hostgator.com directs to 192.185.5.190, ns8065.hostgator.com directs to 192.185.5.19 and ns8066.hostgator.com directs to 192.185.5.190. Two pairs share an IP: ns3233.hostgator.com and ns8065.hostgator.com share 192.185.5.19, and ns3234.hostgator.com and ns8066.hostgator.com share 192.185.5.190.
Host names pointing to 192.185.5.19 IP addresses: ns3233.hostgator.com and ns8065.hostgator.com.
Host names pointing to 192.185.5.190 IP addresses: ns3234.hostgator.com and ns8066.hostgator.com.
Mail Servers
mentora.cz uses one mail server — mail.mentora.cz.
mail.mentora.cz has exactly one IP number: 192.185.5.191.