gcss.kr - dns.ninja

`gcss.kr`

DNSSEC	⚠️ Not signed
A	175.125.94.213^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`gcss.kr` ⭐
		A	175.125.94.213^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`cns1.simplexi.com` ⚠️ Not in parent delegation
		A	58.121.85.54^{🇰🇷 SKB-NET58.120.0.0/13 auto-generated route object for 58.120.0.0/13}
NS	`cns2.simplexi.com` ⚠️ Not in parent delegation
		A	211.192.139.9^{🇰🇷 KT-NET211.192.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns.e-coreweb.co.kr` ⚠️ Not in zone NS records
		A	218.145.65.143^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns1.e-coreweb.co.kr` ⚠️ Not in zone NS records
		A	116.126.143.226^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns2.e-coreweb.co.kr` ⚠️ Not in zone NS records
		A	218.145.65.144^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns3.e-coreweb.co.kr` ⚠️ Not in zone NS records
		A	116.126.143.225^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
MX	`gcss.kr` ⭐
		A	175.125.94.213^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
TXT	`v=spf1 ip4:175.125.94.213 ~all`
SOA	`gcss.kr`postmaster@gcss.kr serial=20231018

`kr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`g.dns.kr` ⭐
	NS	`b.dns.kr`
	NS	`c.dns.kr`
	NS	`d.dns.kr`
	NS	`e.dns.kr`
	NS	`f.dns.kr`
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2607190602

NS for

gcss.kr

MX for

gcss.kr

Subdomains

ns2.gcss.kr

ns3.gcss.kr

ns1.gcss.kr

ns.gcss.kr

Same first word

gcss.ru

gcss.us

gcss.com.cn

gcss.online

gcss.ch

gcss.be

gcss.it

gcss.net

gcss.kr

gcss.de

gcss.co.uk

gcss.org

gcss.in

gcss.se

gcss.com

gcss.ie

gcss.co.in

gcss.ae

gcss.org.au

Similar names

cgss.co.uk

cssg.ca

cgss.it

gscs.edu.ph

cgss.de

scsg.net

sgcs.com.mx

scgs.net

scgs.co.kr

gssc.co.uk

scsg.org

ssgc.us

cgss.com.br

scsg.be

sscg.cz

gssc.jp

sscg.de

sgcs.co.in

gssc.co

sscg.ca

cssg.com.cn

gscs.co

ssgc.ru

scgs.qld.edu.au

cgss.co.kr

gscs.co.bw

cssg.kr

cssg.info

ssgc.church

gssc.eu

csgs.net.cn

sgsc.com

csgs.co.th

ssgc.com.au

gscs.cn

cssg.net

gssc.co.jp

ssgc.co.uk

sscg.com.tw

scsg.edu.hk

sgcs.nsw.edu.au

sgsc.eu

scsg.co.uk

scgs.edu.sg

sgsc.ru

gssc.de

scsg.ru

sscg.ch

cssg.org

csgs.org

gssc.net

sgcs.com.br

scgs.org

sgcs.nl

sgsc.ca

scsg.com.my

sgcs.net

csgs.cn

sgcs.se

gssc.us

ssgc.cn

gscs.org

sgcs.school

cgss.com.au

sscg.co

sgsc.com.au

sgsc.edu.pk

cssg.com.br

sgcs.info

sgcs.com.sa

gscs.sk.ca

sgcs.fr

ssgc.com

gscs.qld.edu.au

csgs.it

scgs.eu

sscg.org

sgsc.fr

gscs.de

sgcs.k12.in.us

cssg.ch

sscg.asia

ssgc.com.pk

gssc.in

sgsc.nl

cssg.co.uk

sgcs.org

sgcs.org.au

gssc.mx

scgs.co

scgs.com.sg

gssc.fr

gssc.shop

csgs.ru

gscs.info

ssgc.org

scgs.co.uk

scsg.de

sgcs.com

csgs.de

scsg.cn

DNS History

15 records (9 active, 6 former)

●NScns1.simplexi.com2026-02-16 → 2026-07-19 · 3 obs

○ 2018-07-30 16:32:34
● 2026-02-16 03:22:30
● 2026-07-19 04:25:46

●NScns2.simplexi.com2026-02-16 → 2026-07-19 · 3 obs

○ 2018-07-30 16:32:34
● 2026-02-16 03:22:30
● 2026-07-19 04:25:46

●NSgcss.kr2018-07-30 → 2026-07-19 · 2 obs

● 2018-07-30 16:32:34
● 2026-07-19 04:25:46

●NSns.e-coreweb.co.kr2026-02-16 → 2026-07-19 · 3 obs

○ 2018-07-30 16:32:34
● 2026-02-16 03:22:30
● 2026-07-19 04:25:46

○NSns.gcss.kr2018-07-30 → 2018-07-30 · 3 obs

● 2018-07-30 16:32:34
○ 2026-02-16 03:22:30
○ 2026-07-19 04:25:46

●NSns1.e-coreweb.co.kr2026-02-16 → 2026-07-19 · 3 obs

○ 2018-07-30 16:32:34
● 2026-02-16 03:22:30
● 2026-07-19 04:25:46

○NSns1.gcss.kr2018-07-30 → 2018-07-30 · 3 obs

● 2018-07-30 16:32:34
○ 2026-02-16 03:22:30
○ 2026-07-19 04:25:46

●NSns2.e-coreweb.co.kr2026-02-16 → 2026-07-19 · 3 obs

○ 2018-07-30 16:32:34
● 2026-02-16 03:22:30
● 2026-07-19 04:25:46

○NSns2.gcss.kr2018-07-30 → 2018-07-30 · 3 obs

● 2018-07-30 16:32:34
○ 2026-02-16 03:22:30
○ 2026-07-19 04:25:46

●NSns3.e-coreweb.co.kr2026-02-16 → 2026-07-19 · 3 obs

○ 2018-07-30 16:32:34
● 2026-02-16 03:22:30
● 2026-07-19 04:25:46

○NSns3.gcss.kr2018-07-30 → 2018-07-30 · 3 obs

● 2018-07-30 16:32:34
○ 2026-02-16 03:22:30
○ 2026-07-19 04:25:46

●MXgcss.kr2026-02-16 → 2026-07-19 · 6 obs

○ 2018-07-30 16:32:34
● 2026-02-16 03:22:30
● 2026-03-19 14:53:50
○ 2026-03-21 13:56:44
● 2026-03-23 03:24:08
● 2026-07-19 04:25:46

○MXrmw-002.fmcity.com2018-07-30 → 2018-07-30 · 3 obs

● 2018-07-30 16:32:34
○ 2026-02-16 03:22:30
○ 2026-07-19 04:25:46

●A175.125.94.2132026-02-16 → 2026-07-19 · 3 obs

○ 2018-07-30 16:32:34
● 2026-02-16 03:22:30
● 2026-07-19 04:25:46

○A183.111.141.892018-07-30 → 2018-07-30 · 3 obs

● 2018-07-30 16:32:34
○ 2026-02-16 03:22:30
○ 2026-07-19 04:25:46

🔍 DNS Trace

Analysis

Hierarchy

gcss.kr has four subdomains: ns2.gcss.kr, ns3.gcss.kr, ns1.gcss.kr and ns.gcss.kr.

Name Server Role

gcss.kr is listed as a name server for gcss.kr — it is in-bailiwick, authoritative for its own domain.

It is common to see cns1.simplexi.com, cns2.simplexi.com and ns1.e-coreweb.co.kr acting as name servers in combination with gcss.kr.

Mail Server Role

gcss.kr serves as a mail server for gcss.kr.

IP Addresses

gcss.kr has exactly one IP address — 175.125.94.213.

Other hosts including cwsenior.or.kr, naewoielec.co.kr and coresystem.kr share IP addresses with gcss.kr.

Name Servers

gcss.kr carries NS delegation across 7 name servers — gcss.kr, cns1.simplexi.com, cns2.simplexi.com and 4 other.

There is at least partial name server overlap between gcss.kr and other domains — otas.co.kr, talkyple.com, dayoung.kr and two more among them.

These name servers tend to appear in combination with the name servers ns.e-coreweb.co.kr, ns2.e-coreweb.co.kr, ns3.e-coreweb.co.kr and simplexi.com.

Host names resolving to a single IP address:

gcss.kr points to 175.125.94.213.

cns1.simplexi.com points to 58.121.85.54.

cns2.simplexi.com points to 211.192.139.9.

ns1.e-coreweb.co.kr points to 116.126.143.226.

ns2.e-coreweb.co.kr points to 218.145.65.144.

ns3.e-coreweb.co.kr points to 116.126.143.225.

ns.e-coreweb.co.kr points to 218.145.65.143.

Mail Servers

gcss.kr uses exactly one mail server, which is gcss.kr.