rsystem.cz - robtex.com

rsystem.cz

DNSSEC⚠️ Not signed
A2606:4700:20::681a:1e🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:11e🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:4890🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.0.30Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.1.30Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.72.144🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScruz.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a58🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcruz.ns.cloudflare.com
A2803:f800:50::6ca2:c058🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcruz.ns.cloudflare.com
A2a06:98c1:50::ac40:2058🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcruz.ns.cloudflare.com
A108.162.192.88🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcruz.ns.cloudflare.com
A172.64.32.88🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcruz.ns.cloudflare.com
A173.245.58.88🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcruz.ns.cloudflare.com
NSmcgrory.ns.cloudflare.com
A2606:4700:58::a29f:2caa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmcgrory.ns.cloudflare.com
A2803:f800:50::6ca2:c3aa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmcgrory.ns.cloudflare.com
A2a06:98c1:50::ac40:23aa🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmcgrory.ns.cloudflare.com
A108.162.195.170🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmcgrory.ns.cloudflare.com
A162.159.44.170Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmcgrory.ns.cloudflare.com
A172.64.35.170🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmcgrory.ns.cloudflare.com
MXvasewebovky.vshosting.cz ⭐
A2a00:1ed0:11:634:185:59:210:141🇨🇿 VSHOSTING2a00:1ed0::/32
PTRvasewebovky.vshosting.cz
A185.59.210.141🇨🇿 VSHOSTING185.59.208.0/22 VI.
PTRvasewebovky.vshosting.cz
TXTv=spf1 mx ip4:185.59.210.141 ip4:185.59.211.221 ip4:185.59.211.222 ip4:185.59...
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.26.0.30, 104.26.1.30, 172.67.72.144
IPv6 hints2606:4700:20::681a:1e, 2606:4700:20::681a:11e, 2606:4700:20::ac43:4890
SOAcruz.ns.cloudflare.comdns@cloudflare.com serial=2410757966

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=1786193240

Same first word

rsystem.cz
rsystem.com.pl
rsystem.org
rsystem.jp
rsystem.ru
rsystem.com
rsystem.cn
rsystem.fr
rsystem.de
rsystem.pl
rsystem.se
rsystem.com.br
rsystem.eu

Similar names

systerm.pl
mytress.com
mstyres.com
systemr.de
systemr.net
systemr.s3.amazonaws.com
stmyers.com
systemr.gr
termsys.com
termsys.sk
mystres.com
tsmyers.com
systerm.com
symster.com
systemr.co.jp

DNS History

17 records (9 active, 8 former)

20162017201820192020202120222023202420252026NScruz.ns.cloudflare.commcgrory.ns.cloudflare.comns.onebit.czns.onebit.euns.onebit.orgMXvasewebovky.vshosting.czmx8.onebit.czmx8.onebit.eumx8.onebit.orgA104.26.0.30104.26.1.30172.67.72.1442606:4700:20::681a:11e2606:4700:20::681a:1e2606:4700:20::ac43:4890178.238.37.1442a01:430:13::144
●NScruz.ns.cloudflare.com2026-06-13 → 2026-08-08 · 3 obs
○ 2017-03-15 11:06:20
● 2026-06-13 02:47:00
● 2026-08-08 12:57:24
●NSmcgrory.ns.cloudflare.com2026-06-13 → 2026-08-08 · 3 obs
○ 2017-03-15 11:06:20
● 2026-06-13 02:47:00
● 2026-08-08 12:57:24
○NSns.onebit.cz2015-08-31 → 2017-03-15 · 4 obs
● 2015-08-31 10:23:26
● 2017-03-15 11:06:20
○ 2026-06-13 02:47:00
○ 2026-08-08 12:57:24
○NSns.onebit.eu2015-08-31 → 2017-03-15 · 4 obs
● 2015-08-31 10:23:26
● 2017-03-15 11:06:20
○ 2026-06-13 02:47:00
○ 2026-08-08 12:57:24
○NSns.onebit.org2015-08-31 → 2017-03-15 · 4 obs
● 2015-08-31 10:23:26
● 2017-03-15 11:06:20
○ 2026-06-13 02:47:00
○ 2026-08-08 12:57:24
○MXmx8.onebit.cz2015-08-31 → 2017-03-15 · 4 obs
● 2015-08-31 10:23:26
● 2017-03-15 11:06:20
○ 2026-06-13 02:47:00
○ 2026-08-08 12:57:24
○MXmx8.onebit.eu2015-08-31 → 2017-03-15 · 4 obs
● 2015-08-31 10:23:26
● 2017-03-15 11:06:20
○ 2026-06-13 02:47:00
○ 2026-08-08 12:57:24
○MXmx8.onebit.org2015-08-31 → 2017-03-15 · 4 obs
● 2015-08-31 10:23:26
● 2017-03-15 11:06:20
○ 2026-06-13 02:47:00
○ 2026-08-08 12:57:24
●MXvasewebovky.vshosting.cz2026-06-13 → 2026-08-08 · 3 obs
○ 2017-03-15 11:06:20
● 2026-06-13 02:47:00
● 2026-08-08 12:57:24
●A104.26.0.302026-06-13 → 2026-08-08 · 3 obs
○ 2017-03-15 11:06:20
● 2026-06-13 02:47:00
● 2026-08-08 12:57:24
●A104.26.1.302026-06-13 → 2026-08-08 · 3 obs
○ 2017-03-15 11:06:20
● 2026-06-13 02:47:00
● 2026-08-08 12:57:24
●A172.67.72.1442026-06-13 → 2026-08-08 · 3 obs
○ 2017-03-15 11:06:20
● 2026-06-13 02:47:00
● 2026-08-08 12:57:24
○A178.238.37.1442015-08-31 → 2017-03-15 · 4 obs
● 2015-08-31 10:23:26
● 2017-03-15 11:06:20
○ 2026-06-13 02:47:00
○ 2026-08-08 12:57:24
●A2606:4700:20::681a:11e2026-06-13 → 2026-08-08 · 3 obs
○ 2017-03-15 11:06:20
● 2026-06-13 02:47:00
● 2026-08-08 12:57:24
●A2606:4700:20::681a:1e2026-06-13 → 2026-08-08 · 3 obs
○ 2017-03-15 11:06:20
● 2026-06-13 02:47:00
● 2026-08-08 12:57:24
●A2606:4700:20::ac43:48902026-06-13 → 2026-08-08 · 3 obs
○ 2017-03-15 11:06:20
● 2026-06-13 02:47:00
● 2026-08-08 12:57:24
○A2a01:430:13::1442015-08-31 → 2017-03-15 · 4 obs
● 2015-08-31 10:23:26
● 2017-03-15 11:06:20
○ 2026-06-13 02:47:00
○ 2026-08-08 12:57:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
rsystem.czcruz.ns.cloudflare.com, mcgrory.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.88

NS records: cruz.ns.cloudflare.com, mcgrory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rsystem.cz (unsigned zone)

⏱️ Timing

Total: 1007ms | Queries: -

📄 Records

TypeCountSample Data
A3172.67.72.144, 104.26.0.30...
AAAA32606:4700:20::ac43:4890, 2606:4700:20::681a:11e...
NS2cruz.ns.cloudflare.com, mcgrory.ns.cloudflare.com
MX1vasewebovky.vshosting.cz (pri: 0)
TXT1v=spf1 mx ip4:185.59.210.141 ip4:185.59.
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1cruz.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

rsystem.cz points to 6 IP addresses, including 104.26.0.30, 104.26.1.30 and 172.67.72.144, plus 3 other.

littleindiatakeawayonline.com, www.performance-suite.io, amoyshare.com plus two other host names have IP numbers in common with rsystem.cz.

Name Servers

Two name servers handle the delegation for rsystem.cz: cruz.ns.cloudflare.com and mcgrory.ns.cloudflare.com.

The name server configuration of rsystem.cz is shared with other domains, for instance childsafenetwork.org, ipwhois.net, isportsystem.com and two others.

rsystem.cz has at least partial name server overlap with other domains, such as deardanger.com, cwgl.com.cn, lindenlions.club and two others.

These name servers tend to appear together with the name servers gerald.ns.cloudflare.com, eve.ns.cloudflare.com and kim.ns.cloudflare.com.

Hosts with 6 IP addresses each:

cruz.ns.cloudflare.com resolves to 108.162.192.88, 172.64.32.88 and 173.245.58.88 among others, with 3 other IP addresses in total.

mcgrory.ns.cloudflare.com resolves to 108.162.195.170, 162.159.44.170 and 172.64.35.170 among others, with 3 other IP addresses in total.

Mail Servers

rsystem.cz uses one mail server — vasewebovky.vshosting.cz.

rsystem.cz has an identical mail server setup to isportsystem.de, isportsystem.com, isportsystem.sk and isportsystem.cz, as well as other domains.

vasewebovky.vshosting.cz has two IP addresses: 185.59.210.141 and 2a00:1ed0:11:634:185:59:210:141.