`jsinfosystem.com`

DNSSEC	⚠️ Not signed
A	218.54.187.20^{🇰🇷 SKB-NET218.54.186.0/23 SKBroadband-AS-KR}
NS	`ns1.gabia.co.kr` ⭐
		A	20.200.205.248^{🇰🇷 Microsoft20.192.0.0/10}
NS	`ns.gabia.co.kr`
		A	43.201.170.100^{🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix}
			PTR	`ec2-43-201-170-100.ap-northeast-2.compute.amazonaws.com`
NS	`ns.gabia.net`
		A	121.78.117.39^{🇰🇷 GABIA-AS-KR121.78.117.0/24 Transit customer route announce}
			PTR	`ns1.gabia.co.kr`
		A	211.234.124.90^{🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary}
MX	`mailapp.hiworks.co.kr` ⭐
		A	45.120.71.59^{🇰🇷 DACOM-NET45.120.71.0/24}
			PTR	`mailapp.hiworks.co.kr`
		A	121.254.168.55^{🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary}
			PTR	`mailapp.hiworks.co.kr`
		A	211.47.76.59^{🇰🇷 DACOM-NET211.47.76.0/24 proxy for HANARO TELECOM route}
			PTR	`mailapp.hiworks.co.kr`
TXT	`v=spf1 include:_spf.hiworks.co.kr ~all`
TXT	`MS=5F710887EB2DD5705BD3EF45B175159EA4F3936E`
SOA	`ns.gabia.co.kr`hosting@gabia.com 2020-09-02 #16

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1775061167

Same first word

jsinfosystem.com

DNS History

6 records (5 active, 1 former)

●NSns.gabia.co.kr2017-01-05 → 2026-04-01 · 2 obs

● 2017-01-05 02:40:00
● 2026-04-01 16:41:38

●NSns.gabia.net2017-01-05 → 2026-04-01 · 2 obs

● 2017-01-05 02:40:00
● 2026-04-01 16:41:38

●NSns1.gabia.co.kr2017-01-05 → 2026-04-01 · 2 obs

● 2017-01-05 02:40:00
● 2026-04-01 16:41:38

●MXmailapp.hiworks.co.kr2017-01-05 → 2026-04-01 · 2 obs

● 2017-01-05 02:40:00
● 2026-04-01 16:41:38

○A119.194.167.622017-12-04 → 2017-12-04 · 3 obs

● 2017-12-04 00:12:22
○ 2026-03-27 16:13:58
○ 2026-04-01 16:41:38

●A218.54.187.202026-03-27 → 2026-04-01 · 3 obs

○ 2017-12-04 00:12:22
● 2026-03-27 16:13:58
● 2026-04-01 16:41:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jsinfosystem.com	ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net	-

✅ Authoritative Response

Server:43.201.170.100

NS records: ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jsinfosystem.com (unsigned zone)

⏱️ Timing

Total: 433ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`218.54.187.20`
NS	3	`ns.gabia.co.kr, ns1.gabia.co.kr...`
MX	1	`mailapp.hiworks.co.kr (pri: 10)`
TXT	2	`v=spf1 include:_spf.hiworks.co.kr ~all, MS=5F710887EB2DD5705BD3EF45B175159EA4F39`
SOA	1	`ns.gabia.co.kr hosting.gabia.com`

Analysis

IP Addresses

jsinfosystem.com points to a single IP: 218.54.187.20.

Name Servers

jsinfosystem.com is delegated to three name servers: ns.gabia.net, ns1.gabia.co.kr and ns.gabia.co.kr.

jsinfosystem.com at least partially shares its name servers with other domains, for instance keedarin.com, yksystem.net, naru1.com, okamc.co.kr and xn--h50bo7bu7a1ye8z0a6lbx93a.com.

These name servers are often used together with the name servers ns1.gabia.net.

Host names with two IP numbers:

ns.gabia.net points to 121.78.117.39 and 211.234.124.90.

Host names with one IP number:

ns1.gabia.co.kr points to 20.200.205.248.

ns.gabia.co.kr points to 43.201.170.100.

Mail Servers

jsinfosystem.com is served by a single mail server, mailapp.hiworks.co.kr.

jsinfosystem.com uses the same mail server setup as other domains such as ssmark.com, daon-kr.com, uzen.net, kotrack.com and thouse.co.kr.

jsinfosystem.com shares mail servers with other domains at least in part, for instance koreavalve.com, 1cmplus.com and g2m.co.kr.

Host mailapp.hiworks.co.kr points to three IP numbers: 45.120.71.59, 121.254.168.55 and 211.47.76.59.

jsinfosystem.com - robtex.com