smartdum.cz - robtex.com

smartdum.cz

DNSSEC⚠️ Not signed
A78.141.239.248🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix
PTR78.141.239.248.vultrusercontent.com
NSns.parktons.com ⭐
A46.8.8.88🇨🇿 GRANSY46.8.8.0/24
NSgamma1.rdrhost.com
A78.141.239.248🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix
PTR78.141.239.248.vultrusercontent.com
NSgamma2.rdrhost.com
A45.77.230.88🇬🇧 AS-VULTR45.77.224.0/21 Vultr Assigned Prefix
PTR45.77.230.88.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

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1775929633

Same first word

smartdum.cz

DNS History

17 records (5 active, 12 former)

20162017201820192020202120222023202420252026NSgamma1.rdrhost.comgamma2.rdrhost.comns.parktons.comns.web4u.czns1.parkingcrew.netns1.vsrv.infons2.parkingcrew.netns2.vsrv.infons2.web4u.czMXmail.parktons.commail.h-email.netmail.smartdum.czA78.141.239.248104.247.81.99144.76.4.882001:1568:115::881.91.88.8
●NSgamma1.rdrhost.com2026-02-24 → 2026-04-11 · 3 obs
○ 2017-08-12 16:38:32
● 2026-02-24 21:53:40
● 2026-04-11 18:26:10
●NSgamma2.rdrhost.com2026-02-24 → 2026-04-11 · 3 obs
○ 2017-08-12 16:38:32
● 2026-02-24 21:53:40
● 2026-04-11 18:26:10
●NSns.parktons.com2026-02-24 → 2026-04-11 · 3 obs
○ 2017-08-12 16:38:32
● 2026-02-24 21:53:40
● 2026-04-11 18:26:10
○NSns.web4u.cz2016-04-06 → 2017-08-12 · 5 obs
○ 2016-01-15 10:43:40
● 2016-04-06 19:29:10
● 2017-08-12 16:38:32
○ 2026-02-24 21:53:40
○ 2026-04-11 18:26:10
○NSns1.parkingcrew.net2026-02-24 → 2026-04-11 · 2 obs
○ 2026-02-24 21:53:40
○ 2026-04-11 18:26:10
○NSns1.vsrv.info2015-06-23 → 2015-10-29 · 4 obs
● 2015-06-23 22:51:54
● 2015-10-29 04:42:06
○ 2016-01-15 10:43:40
○ 2026-04-11 18:26:10
○NSns2.parkingcrew.net2026-02-24 → 2026-04-11 · 2 obs
○ 2026-02-24 21:53:40
○ 2026-04-11 18:26:10
○NSns2.vsrv.info2015-06-23 → 2015-10-29 · 4 obs
● 2015-06-23 22:51:54
● 2015-10-29 04:42:06
○ 2016-01-15 10:43:40
○ 2026-04-11 18:26:10
○NSns2.web4u.cz2016-04-06 → 2017-08-12 · 5 obs
○ 2016-01-15 10:43:40
● 2016-04-06 19:29:10
● 2017-08-12 16:38:32
○ 2026-02-24 21:53:40
○ 2026-04-11 18:26:10
○MXmail.h-email.net2026-02-24 → 2026-04-11 · 2 obs
○ 2026-02-24 21:53:40
○ 2026-04-11 18:26:10
●MXmail.parktons.com2026-02-24 → 2026-04-11 · 3 obs
○ 2017-08-12 16:38:32
● 2026-02-24 21:53:40
● 2026-04-11 18:26:10
○MXmail.smartdum.cz2015-06-23 → 2017-08-12 · 7 obs
● 2015-06-23 22:51:54
● 2015-10-29 04:42:06
○ 2016-01-15 10:43:40
● 2016-04-06 19:29:10
● 2017-08-12 16:38:32
○ 2026-02-24 21:53:40
○ 2026-04-11 18:26:10
○A104.247.81.992026-02-24 → 2026-04-11 · 2 obs
○ 2026-02-24 21:53:40
○ 2026-04-11 18:26:10
○A144.76.4.882015-06-23 → 2015-10-29 · 4 obs
● 2015-06-23 22:51:54
● 2015-10-29 04:42:06
○ 2016-01-15 10:43:40
○ 2026-04-11 18:26:10
○A2001:1568:115::82016-04-06 → 2017-08-12 · 5 obs
○ 2016-01-15 10:43:40
● 2016-04-06 19:29:10
● 2017-08-12 16:38:32
○ 2026-02-24 21:53:40
○ 2026-04-11 18:26:10
●A78.141.239.2482026-02-24 → 2026-04-11 · 3 obs
○ 2017-08-12 16:38:32
● 2026-02-24 21:53:40
● 2026-04-11 18:26:10
○A81.91.88.82016-04-06 → 2017-08-12 · 5 obs
○ 2016-01-15 10:43:40
● 2016-04-06 19:29:10
● 2017-08-12 16:38:32
○ 2026-02-24 21:53:40
○ 2026-04-11 18:26:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
smartdum.czgamma1.rdrhost.com, gamma2.rdrhost.com-

✅ Authoritative Response

Server:78.141.239.248

NS records: gamma1.rdrhost.com, gamma2.rdrhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartdum.cz (unsigned zone)

⏱️ Timing

Total: 1250ms | Queries: -

📄 Records

TypeCountSample Data
A178.141.239.248
NS2gamma1.rdrhost.com, gamma2.rdrhost.com
MX1mail.parktons.com (pri: 10)
SOA1ns.parktons.com root.parktons.com

Analysis

IP Addresses

smartdum.cz points to IP number 78.141.239.248.

For instance, other host names onlinetelevize.cz, mail.robatko.cz, serverovna.cz, smartman.cz and mail.grilovacikameny.cz share IP numbers with smartdum.cz.

Name Servers

The delegation for smartdum.cz is handled by three name servers: ns.parktons.com, gamma1.rdrhost.com and gamma2.rdrhost.com.

smartdum.cz shares name servers with other domains at least partially, for example www.uu11001.com, bary.cz, villxvflp.sx.domain.name, mediahouse.cz and numgroup.com.

these name servers are commonly used with the name servers ns2.parktons.com, beta1.rdrhost.com, beta2.rdrhost.com, alpha1.rdrhost.com, alpha2.rdrhost.com, dns1.domain.name, dns2.domain.name, delta1.rdrhost.com and delta2.rdrhost.com.

Host names with a single IP address: ns.parktons.com points to 46.8.8.88; gamma1.rdrhost.com points to 78.141.239.248; gamma2.rdrhost.com points to 45.77.230.88.

Mail Servers

smartdum.cz is handled by a single mail server, mail.parktons.com.

smartdum.cz shares the same mail server setup as other domains, for instance quantum-prime-profit.net, brana.cz, 216.178.38.116profile.boostfreeonline.kazuc.com, pc1.monet.cz and itime.cz.

mail.parktons.com points to a single IP: 155.138.212.151.