dresystem.com - robtex.com

dresystem.com

DNSSEC⚠️ Not signed
A2001:1568::14🇨🇿 WEB4U2001:1568::/33
PTRphp7.web4u.cz
A81.91.86.14🇨🇿 WEB4U81.91.80.0/21
NSns2.web4u.cz ⭐
A2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.
PTRns2.web4u.cz
A85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block
PTRns2.web4u.cz
NSns.web4u.cz
A2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33
PTRns.web4u.cz
A185.14.224.241🇨🇿 WEB4U185.14.224.0/23
PTRns.web4u.cz
MXmx1.mailchannels.net ⭐
A54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix
PTRec2-54-187-177-89.us-west-2.compute.amazonaws.com
MXmx2.mailchannels.net ⭐
A54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix
PTRec2-54-69-1-140.us-west-2.compute.amazonaws.com
SOAns.web4u.czadmin@web4u.cz 2026-04-23 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785347007

Same first word

dresystem.com

Similar names

mydessert.com
redsystem.eu
redsystem.io
redsystem.de
redsystem.it
redsystem.cz
redsystem.co.uk
redsystem.workers.dev
erdsystem.com
ermysteds.co.uk
mydessert.ru
redsystem.id
redsystem.red
redsystem.org
redsystem.lu
redsystem.com
redsystem.cl
mydessert.de
mydessert.co.uk
systemred.co.uk
systemred.de
systemred.com

DNS History

20 records (6 active, 14 former)

20162017201820192020202120222023202420252026NSns.web4u.czns2.web4u.czns1.namebrightdns.comns2.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comMXmx1.mailchannels.netmx2.mailchannels.netA2001:1568::1481.91.86.14107.23.198.24052.0.96.2452.204.129.2252.4.72.13752.71.117.9954.174.31.25454.208.74.21554.85.127.70CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.comhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com
●NSns.web4u.cz2026-07-02 → 2026-07-29 · 3 obs
○ 2020-02-04 04:07:30
● 2026-07-02 02:14:12
● 2026-07-29 18:05:08
○NSns1.namebrightdns.com2015-08-21 → 2017-03-21 · 7 obs
● 2015-08-21 19:42:14
● 2015-12-07 19:24:32
○ 2016-03-06 15:49:12
● 2016-07-13 15:40:34
● 2017-03-21 13:43:24
○ 2020-02-04 04:07:30
○ 2026-07-29 18:05:08
○NSns2.namebrightdns.com2015-08-21 → 2017-03-21 · 7 obs
● 2015-08-21 19:42:14
● 2015-12-07 19:24:32
○ 2016-03-06 15:49:12
● 2016-07-13 15:40:34
● 2017-03-21 13:43:24
○ 2020-02-04 04:07:30
○ 2026-07-29 18:05:08
●NSns2.web4u.cz2026-07-02 → 2026-07-29 · 3 obs
○ 2020-02-04 04:07:30
● 2026-07-02 02:14:12
● 2026-07-29 18:05:08
○NSnsg1.namebrightdns.com2015-08-21 → 2016-03-06 · 5 obs
● 2015-08-21 19:42:14
○ 2015-12-07 19:24:32
● 2016-03-06 15:49:12
○ 2016-07-13 15:40:34
○ 2026-07-29 18:05:08
○NSnsg2.namebrightdns.com2016-03-06 → 2016-03-06 · 4 obs
○ 2015-12-07 19:24:32
● 2016-03-06 15:49:12
○ 2016-07-13 15:40:34
○ 2026-07-29 18:05:08
●MXmx1.mailchannels.net2026-07-02 → 2026-07-29 · 2 obs
● 2026-07-02 02:14:12
● 2026-07-29 18:05:08
●MXmx2.mailchannels.net2026-07-02 → 2026-07-29 · 2 obs
● 2026-07-02 02:14:12
● 2026-07-29 18:05:08
○A107.23.198.2402016-07-13 → 2016-07-13 · 4 obs
○ 2016-03-06 15:49:12
● 2016-07-13 15:40:34
○ 2017-03-21 13:43:24
○ 2026-07-29 18:05:08
●A2001:1568::142026-07-02 → 2026-07-29 · 3 obs
○ 2020-02-04 04:07:30
● 2026-07-02 02:14:12
● 2026-07-29 18:05:08
○A52.0.96.242016-03-06 → 2016-03-06 · 4 obs
○ 2015-12-07 19:24:32
● 2016-03-06 15:49:12
○ 2016-07-13 15:40:34
○ 2026-07-29 18:05:08
○A52.204.129.222017-03-21 → 2017-03-21 · 4 obs
○ 2016-07-13 15:40:34
● 2017-03-21 13:43:24
○ 2020-02-04 04:07:30
○ 2026-07-29 18:05:08
○A52.4.72.1372016-07-13 → 2016-07-13 · 4 obs
○ 2016-03-06 15:49:12
● 2016-07-13 15:40:34
○ 2017-03-21 13:43:24
○ 2026-07-29 18:05:08
○A52.71.117.992016-03-06 → 2016-03-06 · 4 obs
○ 2015-12-07 19:24:32
● 2016-03-06 15:49:12
○ 2016-07-13 15:40:34
○ 2026-07-29 18:05:08
○A54.174.31.2542015-08-21 → 2015-12-07 · 4 obs
● 2015-08-21 19:42:14
● 2015-12-07 19:24:32
○ 2016-03-06 15:49:12
○ 2026-07-29 18:05:08
○A54.208.74.2152015-08-21 → 2015-12-07 · 4 obs
● 2015-08-21 19:42:14
● 2015-12-07 19:24:32
○ 2016-03-06 15:49:12
○ 2026-07-29 18:05:08
○A54.85.127.702017-03-21 → 2017-03-21 · 4 obs
○ 2016-07-13 15:40:34
● 2017-03-21 13:43:24
○ 2020-02-04 04:07:30
○ 2026-07-29 18:05:08
●A81.91.86.142026-07-02 → 2026-07-29 · 3 obs
○ 2020-02-04 04:07:30
● 2026-07-02 02:14:12
● 2026-07-29 18:05:08
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-21 → 2016-07-13 · 4 obs
● 2015-08-21 19:42:14
● 2016-07-13 15:40:34
○ 2017-03-21 13:43:24
○ 2026-07-29 18:05:08
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-03-21 → 2017-03-21 · 4 obs
○ 2016-07-13 15:40:34
● 2017-03-21 13:43:24
○ 2020-02-04 04:07:30
○ 2026-07-29 18:05:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
dresystem.comns.web4u.cz, ns2.web4u.cz-

✅ Authoritative Response

Server:185.14.224.241

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dresystem.com (unsigned zone)

⏱️ Timing

Total: 2519ms | Queries: -

📄 Records

TypeCountSample Data
A181.91.86.14
AAAA12001:1568::14
NS2ns.web4u.cz, ns2.web4u.cz
MX2mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10)
SOA1ns.web4u.cz admin.web4u.cz

Analysis

IP Addresses

dresystem.com points to the IP addresses 81.91.86.14 and 2001:1568::14

Among the host names that share IP numbers with dresystem.com are alensa.rs, vs587.server4u.cz, ksqserver.ksq.cz and two others.

Name Servers

dresystem.com is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.

dresystem.com has the same name server delegation as a number of other domains, such as proobec.cz, panocha.eu, fitham.com and two more.

ns2.web4u.cz and ns.web4u.cz each resolve to two IP addresses: ns2.web4u.cz points to 85.207.53.12 and 2a02:a40:100:28ff::12, while ns.web4u.cz points to 185.14.224.241 and 2001:1568:fd::241.

Mail Servers

The MX records for dresystem.com point to two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.

dresystem.com has the same mail server arrangement as a number of other domains, for example matasaru.net, mailer.jazzdocument.vcari.net, sortexport.com and two more.

Both mx1.mailchannels.net and mx2.mailchannels.net have a single IP address each — mx1.mailchannels.net resolves to 54.187.177.89 while mx2.mailchannels.net resolves to 54.69.1.140.