masterweb.cz - robtex.com
masterweb.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 | ||||||
| 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 | ||||||
| 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 | ||||||
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=1786834038 | ||||||
Subdomains
login.masterweb.cz |
Same first word
Similar names
DNS History
18 records (5 active, 13 former)
●NSgamma1.rdrhost.com2026-06-11 → 2026-08-15 · 3 obs
● 2026-06-11 07:08:32
● 2026-08-15 23:53:04
●NSgamma2.rdrhost.com2026-06-11 → 2026-08-15 · 3 obs
● 2026-06-11 07:08:32
● 2026-08-15 23:53:04
○NSns.gransy.com2015-08-08 → 2020-12-14 · 4 obs
● 2020-12-14 04:00:44
○ 2026-04-22 23:40:00
○ 2026-08-15 23:53:04
●NSns.parktons.com2026-06-11 → 2026-08-15 · 3 obs
● 2026-06-11 07:08:32
● 2026-08-15 23:53:04
○NSns1.parkingcrew.net2026-04-22 → 2026-06-09 · 5 obs
● 2026-04-22 23:40:00
● 2026-06-09 06:32:02
○ 2026-06-11 07:08:32
○ 2026-08-15 23:53:04
○NSns2.gransy.com2015-08-08 → 2020-12-14 · 4 obs
● 2020-12-14 04:00:44
○ 2026-04-22 23:40:00
○ 2026-08-15 23:53:04
○NSns2.parkingcrew.net2026-04-22 → 2026-06-09 · 5 obs
● 2026-04-22 23:40:00
● 2026-06-09 06:32:02
○ 2026-06-11 07:08:32
○ 2026-08-15 23:53:04
○NSns3.gransy.com2015-08-08 → 2020-12-14 · 4 obs
● 2020-12-14 04:00:44
○ 2026-04-22 23:40:00
○ 2026-08-15 23:53:04
○NSns4.gransy.com2015-08-08 → 2020-12-14 · 4 obs
● 2020-12-14 04:00:44
○ 2026-04-22 23:40:00
○ 2026-08-15 23:53:04
○NSns5.gransy.com2015-08-08 → 2020-12-14 · 4 obs
● 2020-12-14 04:00:44
○ 2026-04-22 23:40:00
○ 2026-08-15 23:53:04
○MXmail.gransy.com2015-08-08 → 2020-12-14 · 4 obs
● 2020-12-14 04:00:44
○ 2026-04-22 23:40:00
○ 2026-08-15 23:53:04
○MXmail.h-email.net2026-04-22 → 2026-06-09 · 8 obs
● 2026-04-22 23:40:00
● 2026-05-10 07:23:22
○ 2026-05-11 22:50:46
○ 2026-05-27 13:13:02
● 2026-06-09 06:32:02
○ 2026-06-11 07:08:32
○ 2026-08-15 23:53:04
●MXmail.parktons.com2026-06-11 → 2026-08-15 · 3 obs
● 2026-06-11 07:08:32
● 2026-08-15 23:53:04
○MXmail2.gransy.com2015-08-08 → 2020-12-14 · 4 obs
● 2020-12-14 04:00:44
○ 2026-04-22 23:40:00
○ 2026-08-15 23:53:04
○A104.247.81.992026-04-22 → 2026-06-09 · 5 obs
● 2026-04-22 23:40:00
● 2026-06-09 06:32:02
○ 2026-06-11 07:08:32
○ 2026-08-15 23:53:04
○A2001:1528:137::d2015-08-08 → 2020-12-14 · 4 obs
● 2020-12-14 04:00:44
○ 2026-04-22 23:40:00
○ 2026-08-15 23:53:04
○A77.78.104.902015-08-08 → 2020-12-14 · 4 obs
● 2020-12-14 04:00:44
○ 2026-04-22 23:40:00
○ 2026-08-15 23:53:04
●A78.141.239.2482026-06-11 → 2026-08-15 · 3 obs
● 2026-06-11 07:08:32
● 2026-08-15 23:53:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| masterweb.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 masterweb.cz (unsigned zone)
⏱️ Timing
Total: 3921ms | 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
Hierarchy
login.masterweb.cz is delegated beneath masterweb.cz.
IP Addresses
masterweb.cz directs to one IP number, which is 78.141.239.248.
Among the host names that share IP numbers with masterweb.cz are puka.cz, teddybear.cz, booki.cz and two others.
Name Servers
masterweb.cz has three name servers — ns.parktons.com, gamma1.rdrhost.com and gamma2.rdrhost.com.
There is at least partial name server overlap between masterweb.cz and other domains — jahly.cz, mail.schooldynamics.net, dnybfo.cyou and two more among them.
These name servers regularly appear alongside ns2.parktons.com, beta1.rdrhost.com, beta2.rdrhost.com and 4 other name servers in NS record sets.
Each of the three hostnames points to exactly one IP address: ns.parktons.com points to 46.8.8.88, gamma1.rdrhost.com points to 78.141.239.248 and gamma2.rdrhost.com points to 45.77.230.88.
Mail Servers
masterweb.cz routes its mail through a single mail server, mail.parktons.com.
masterweb.cz has the same mail server arrangement as a number of other domains, for example neurotradeaiapp.com, goldstreamcapital.net, raketak.cz and two more.
mail.parktons.com points to one IP number — 155.138.212.151.