sisystem.co.kr - robtex.com

sisystem.co.kr

DNSSEC⚠️ Not signed
NSns.domainca.com ⚠️ Not in zone NS records
A43.201.170.100🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix
PTRec2-43-201-170-100.ap-northeast-2.compute.amazonaws.com
NSns2.domainca.com ⚠️ Not in zone NS records
A20.200.205.248🇰🇷 Microsoft20.192.0.0/10

co.kr

DNSSEC⚠️ Not signed
NSg.dns.kr ⭐ ⚠️ Not in parent delegation
NSb.dns.kr ⚠️ Not in parent delegation
NSc.dns.kr ⚠️ Not in parent delegation
NSd.dns.kr ⚠️ Not in parent delegation
NSe.dns.kr ⚠️ Not in parent delegation
NSf.dns.kr ⚠️ Not in parent delegation
SOAg.dns.krdomain-manager@nic.or.kr serial=2607291092
WOT: UNKNOWN (62/100)

Previously NS for

sisystem.co.kr

Same first word

sisystem.in
sisystem.ru
sisystem.jp
sisystem.biz
sisystem.co.kr
sisystem.pl
sisystem.com

Similar names

isystems.jp
isystems.ro
systemis.com
isystems.es
isystems.ca
isystems.io
isystems.biz
systemis.eu
isystems.eu
systimes.com
isystems.com.tr
systemis.it
sysmetis.com
issystem.co.jp
isystems.co.nz
issystem.com
itsmessy.com
missesyt.cn
systimes.dk
isystems.bg
metissys.com
sitemsys.com
systemis.ma
isystems.ws
issystem.com.cn
isystems.pl
systemis.net
isystems.al
isystems.at
isystems.co
isystems.am
isystems.us
isystems.com
isystems.kz
myessist.com
sissymet.com
isystems.ru
issystem.com.sg
isystems.net.nz
isystems.net
isystems.gr
isystems.be
isystems.org
systemis.co.uk
isystems.com.pk
isystems.in
isystems.by
isystems.pro
isystems.info
isystems.cz
timessys.com
systemis.de
isystems.mobi
isystems.cl
isystems.ai
systemsi.com
isystems.consulting
systimes.com.ar
issystem.ru
isystems.co.uk
systemis.ch

DNS History

6 records (2 active, 4 former)

20162017201820192020202120222023202420252026NSns.domainca.comns2.domainca.comns.sisystem.co.krsisystem.co.krMXpop.sisystem.co.krA112.216.240.162
●NSns.domainca.com2026-07-06 → 2026-07-29 · 3 obs
○ 2017-04-05 19:32:28
● 2026-07-06 03:33:16
● 2026-07-29 18:37:16
○NSns.sisystem.co.kr2015-05-29 → 2017-04-05 · 4 obs
● 2015-05-29 09:37:12
● 2017-04-05 19:32:28
○ 2026-07-06 03:33:16
○ 2026-07-29 18:37:16
●NSns2.domainca.com2026-07-06 → 2026-07-29 · 3 obs
○ 2017-04-05 19:32:28
● 2026-07-06 03:33:16
● 2026-07-29 18:37:16
○NSsisystem.co.kr2015-05-29 → 2017-04-05 · 4 obs
● 2015-05-29 09:37:12
● 2017-04-05 19:32:28
○ 2026-07-06 03:33:16
○ 2026-07-29 18:37:16
○MXpop.sisystem.co.kr2015-05-29 → 2017-04-05 · 4 obs
● 2015-05-29 09:37:12
● 2017-04-05 19:32:28
○ 2026-07-06 03:33:16
○ 2026-07-29 18:37:16
○A112.216.240.1622015-05-29 → 2017-04-05 · 4 obs
● 2015-05-29 09:37:12
● 2017-04-05 19:32:28
○ 2026-07-06 03:33:16
○ 2026-07-29 18:37:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krb.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...-
sisystem.co.krns.domainca.com, ns2.domainca.com-

✅ Authoritative Response

Server:43.201.170.100

NS records: ns.domainca.com, ns2.domainca.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at kr: Error: DNS query timeout: 210.101.60.1 for DNSKEY kr

⏱️ Timing

Total: 4057ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

sisystem.co.kr is served by two delegated name servers, ns2.domainca.com and ns.domainca.com.

sisystem.co.kr shares its name server setup with other domains, including ctel.com, blue.co.kr, internetbay.com and two others.

Both ns2.domainca.com and ns.domainca.com have a single IP address each — ns2.domainca.com resolves to 20.200.205.248 while ns.domainca.com resolves to 43.201.170.100.