mail.rtj.cz - robtex.com
mail.rtj.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.141.239.248🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix | ||||||
| PTR | 78.141.239.248.vultrusercontent.com | ||||||
| NS | ns.parktons.com ⭐ | ||||||
| A | 46.8.8.88🇨🇿 GRANSY46.8.8.0/24 | ||||||
| NS | gamma1.rdrhost.com ⚠️ Not in parent delegation | ||||||
| A | 78.141.239.248🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix | ||||||
| PTR | 78.141.239.248.vultrusercontent.com | ||||||
| NS | gamma2.rdrhost.com ⚠️ Not in parent delegation | ||||||
| A | 45.77.230.88🇬🇧 AS-VULTR45.77.224.0/21 Vultr Assigned Prefix | ||||||
| PTR | 45.77.230.88.vultrusercontent.com | ||||||
| MX | mail.parktons.com ⭐ | ||||||
| A | 155.138.212.151🇺🇸 AS-VULTR155.138.192.0/19 Vultr Assigned Prefix | ||||||
| PTR | 155-138-212-151.lum-int.io | ||||||
| SOA | ns.parktons.comroot@parktons.com serial=2617179285 | ||||||
rtj.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.141.239.248🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix | ||||||
| NS | ns.parktons.com ⭐ | ||||||
| NS | gamma1.rdrhost.com | ||||||
| NS | gamma2.rdrhost.com | ||||||
| MX | mail.parktons.com ⭐ | ||||||
| SOA | ns.parktons.comroot@parktons.com serial=2617179285 | ||||||
Previously MX for
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSgamma1.rdrhost.com2026-06-21 → 2026-06-21 · 2 obs
● 2026-06-21 19:20:28
●NSgamma2.rdrhost.com2026-06-21 → 2026-06-21 · 2 obs
● 2026-06-21 19:20:28
●NSns.parktons.com2026-06-21 → 2026-06-21 · 2 obs
● 2026-06-21 19:20:28
●MXmail.parktons.com2026-06-21 → 2026-06-21 · 2 obs
● 2026-06-21 19:20:28
●A78.141.239.2482026-06-21 → 2026-06-21 · 2 obs
● 2026-06-21 19:20:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| rtj.cz | gamma1.rdrhost.com, gamma2.rdrhost.com | - |
✅ Authoritative Response
Server:45.77.230.88
NS records: gamma1.rdrhost.com, gamma2.rdrhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtj.cz (unsigned zone)
⏱️ Timing
Total: 1129ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.141.239.248 |
| NS | 2 | gamma1.rdrhost.com, gamma2.rdrhost.com |
| MX | 1 | mail.parktons.com (pri: 10) |
| SOA | 1 | ns.parktons.com root.parktons.com |
Analysis
IP Addresses
mail.rtj.cz has exactly one IP address — 78.141.239.248.
mail.slevoveletaky.cz, stech.cz, www.geopatogenni-zony.cz plus two other host names have IP numbers in common with mail.rtj.cz.
Name Servers
mail.rtj.cz is served by three name servers: ns.parktons.com, gamma1.rdrhost.com and gamma2.rdrhost.com.
mail.rtj.cz shares at least some of its name servers with other domains, including sapori.cz, vizer.cz, ns2.pupicek.cz and two others.
These name servers are frequently seen alongside ns2.parktons.com, alpha1.rdrhost.com, alpha2.rdrhost.com and 6 other name servers.
ns.parktons.com has IP address 46.8.8.88, gamma1.rdrhost.com has IP address 78.141.239.248 and gamma2.rdrhost.com has IP address 45.77.230.88 — one address each.
Mail Servers
mail.rtj.cz uses one mail server — mail.parktons.com.
The mail server setup of mail.rtj.cz matches that of other domains such as trannyvideox.com, mail.alfredo.cz, 1mjcmn3rb6.cyou and two others.
mail.parktons.com resolves to 155.138.212.151 and no other IP number.