`sysystem.net`

DNSSEC	⚠️ Not signed
NS	`nis.dacom.co.kr` ⭐
		A	164.124.101.31^{🇰🇷 DACOM-NET164.124.0.0/16 contact noc@bora.net if necessary}
			PTR	`nis.lgtelecom.com`
			PTR	`ns1.lgtelecom.com`
			PTR	`ns1.lguplus.com`
			PTR	`nis.dacom.net`
			PTR	`nis.lgdacom.net`
			PTR	`ns1.lgdacom.net`
			PTR	`nis.dacom.co.kr`
			PTR	`ns1.dacom.co.kr`
			PTR	`nis.lgdacom.co.kr`
			PTR	`ns1.uplus.co.kr`
NS	`ns2.dacom.co.kr`
		A	203.248.240.31^{🇰🇷 DACOM-NET203.248.128.0/17 contact noc@bora.net if necessary}
			PTR	`ns2.lgtelecom.com`
			PTR	`ns2.lguplus.com`
			PTR	`ns2.bora.net`
			PTR	`ns2.dacom.net`
			PTR	`ns2.lgdacom.net`
			PTR	`ns2.dacom.co.kr`
			PTR	`ns2.lgdacom.co.kr`
			PTR	`ns2.uplus.co.kr`
MX	`gw-spam.mailwood.com` ⭐
		A	118.128.208.153^{🇰🇷 DACOM-NET118.128.0.0/14 contact noc@bora.net if necessary}
TXT	`v=spf1 include:spf.onnet21.com ~all`
SOA	`nis.dacom.co.kr`dnsmaster@bora.net 2025-12-10 #0

`net`

	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=1784041537

Same first word

sysystem.co.jp

sysystem.net

sysystem.com.cn

sysystem.com

Similar names

systemys.com

sysytems.com

ysystems.com

systemsy.com

ysystems.de

ysystems.jp

DNS History

5 records (3 active, 2 former)

●NSnis.dacom.co.kr2007-09-22 → 2026-07-14 · 2 obs

● 2007-09-22 06:43:24
● 2026-07-14 15:23:50

●NSns2.dacom.co.kr2007-09-22 → 2026-07-14 · 2 obs

● 2007-09-22 06:43:24
● 2026-07-14 15:23:50

●MXgw-spam.mailwood.com2026-07-11 → 2026-07-14 · 3 obs

○ 2017-10-15 23:40:54
● 2026-07-11 12:44:04
● 2026-07-14 15:23:50

○MXsfilter.sysystem.net2007-09-22 → 2017-10-15 · 4 obs

● 2007-09-22 06:43:24
● 2017-10-15 23:40:54
○ 2026-07-11 12:44:04
○ 2026-07-14 15:23:50

○A211.40.221.1012007-09-22 → 2017-10-15 · 4 obs

● 2007-09-22 06:43:24
● 2017-10-15 23:40:54
○ 2026-07-11 12:44:04
○ 2026-07-14 15:23:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sysystem.net	nis.dacom.co.kr, ns2.dacom.co.kr	-

✅ Authoritative Response

Server:203.248.240.31

NS records: nis.dacom.co.kr, ns2.dacom.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysystem.net (unsigned zone)

⏱️ Timing

Total: 2399ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.dacom.co.kr, nis.dacom.co.kr`
MX	1	`gw-spam.mailwood.com (pri: 10)`
TXT	1	`v=spf1 include:spf.onnet21.com ~all`
SOA	1	`nis.dacom.co.kr dnsmaster.bora.net`

Analysis

Name Servers

sysystem.net uses two name servers for its delegation: nis.dacom.co.kr and ns2.dacom.co.kr.

sysystem.net shares its name server setup with other domains, including pwad.co.kr, myeweddingcard.com, 216.207.210.in-addr.arpa and two others.

There is at least partial name server overlap between sysystem.net and other domains — lotvacuum.co.kr, kong.co.kr, 43.214.1.in-addr.arpa and two more among them.

These name servers frequently co-occur with the name servers ns1.lguplus.com and ns2.lguplus.com.

nis.dacom.co.kr → 164.124.101.31 and ns2.dacom.co.kr → 203.248.240.31: one IP number per host name.

Mail Servers

sysystem.net has one mail server: gw-spam.mailwood.com.

sysystem.net shares the same mail server setup as other domains, including ds.onnet21.com, kerker.co.kr, dy-e.co.kr and two others.

sysystem.net and other domains — chmhc.or.kr for instance — share at least some mail servers.

gw-spam.mailwood.com directs to just one IP number, 118.128.208.153.

sysystem.net - robtex.com

sysystem.net

net