null.studujeme.cz - robtex.com

null.studujeme.cz

DNSSEC⚠️ Not signed
A209.250.224.249🇬🇧 AS-VULTR209.250.224.0/21 Vultr Assigned Prefix
PTR209.250.224.249.vultrusercontent.com
NSns.parktons.com ⭐
A46.8.8.88🇨🇿 GRANSY46.8.8.0/24
NSbeta1.rdrhost.com ⚠️ Not in parent delegation
A209.250.224.249🇬🇧 AS-VULTR209.250.224.0/21 Vultr Assigned Prefix
PTR209.250.224.249.vultrusercontent.com
NSbeta2.rdrhost.com ⚠️ Not in parent delegation
A45.76.135.224🇬🇧 AS-VULTR45.76.128.0/20 Vultr Assigned Prefix
PTR45.76.135.224.vultrusercontent.com
MXmail.parktons.com ⭐
A155.138.212.151🇺🇸 AS-VULTR155.138.192.0/19 Vultr Assigned Prefix
PTR155-138-212-151.lum-int.io
SOAns.parktons.comroot@parktons.com serial=2617179285

studujeme.cz

DNSSEC⚠️ Not signed
A209.250.224.249🇬🇧 AS-VULTR209.250.224.0/21 Vultr Assigned Prefix
NSns.parktons.com ⭐
NSbeta1.rdrhost.com
NSbeta2.rdrhost.com
MXmail.parktons.com ⭐
SOAns.parktons.comroot@parktons.com serial=2617179285

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DNS History

5 records (5 active, 0 former)

NSbeta1.rdrhost.combeta2.rdrhost.comns.parktons.comMXmail.parktons.comA209.250.224.249
●NSbeta1.rdrhost.com2026-07-19 → 2026-07-29 · 2 obs
● 2026-07-19 21:20:46
● 2026-07-29 16:20:50
●NSbeta2.rdrhost.com2026-07-19 → 2026-07-29 · 2 obs
● 2026-07-19 21:20:46
● 2026-07-29 16:20:50
●NSns.parktons.com2026-07-19 → 2026-07-29 · 2 obs
● 2026-07-19 21:20:46
● 2026-07-29 16:20:50
●MXmail.parktons.com2026-07-19 → 2026-07-29 · 2 obs
● 2026-07-19 21:20:46
● 2026-07-29 16:20:50
●A209.250.224.2492026-07-19 → 2026-07-29 · 2 obs
● 2026-07-19 21:20:46
● 2026-07-29 16:20:50

🔍 DNS Trace

Analysis

IP Addresses

null.studujeme.cz resolves to just one IP address, 209.250.224.249.

Two other host names, along with u-s.cz, null.skodaforum.cz and autobest.cz, also share IP numbers with null.studujeme.cz.

Name Servers

DNS for null.studujeme.cz is handled by three authoritative name servers: ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.

The name servers of null.studujeme.cz overlap at least partially with those of other domains — among them mail.foreign.cz, siglatradex-tech.com, admira.cz and two more.

These name servers commonly appear in delegations together with ns2.parktons.com, gamma1.rdrhost.com, gamma2.rdrhost.com and 4 other.

ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com all have one IP address each — ns.parktons.com directs to 46.8.8.88, beta1.rdrhost.com directs to 209.250.224.249 and beta2.rdrhost.com directs to 45.76.135.224.

Mail Servers

The sole mail server for null.studujeme.cz is mail.parktons.com.

Among the domains sharing a mail server setup with null.studujeme.cz are mail.4c.cz, www.3dgid.info, ardownload.www.1tradezone.my and two others.

mail.parktons.com has exactly one IP number: 155.138.212.151.