🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`cbwc.or.kr`

DNSSEC	⚠️ Not signed
A	183.111.100.219^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
NS	`cbwc.or.kr` ⭐
		A	183.111.100.219^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
NS	`ns.cbwc.or.kr` ⚠️ Not in parent delegation
		A	218.145.65.143^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns.dongwonweb.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.cbwc.or.kr` ⚠️ Not in parent delegation
		A	116.126.143.226^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns1.dongwonweb.co.kr` ⚠️ Not in zone NS records
		A	116.126.143.226^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns2.cbwc.or.kr` ⚠️ Not in parent delegation
		A	218.145.65.144^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns2.dongwonweb.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.cbwc.or.kr` ⚠️ Not in parent delegation
		A	116.126.143.225^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns3.dongwonweb.co.kr` ⚠️ Not in zone NS records
		A	116.126.143.225^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
MX	`smtp.cbwc.or.kr` ⭐
		A	211.234.105.40^{🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary}
			PTR	`smtp.zioyou.com`
MX	`zmail.cbwc.or.kr`⁽¹⁰⁾
		A	211.234.105.9^{🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary}
			PTR	`zmail.zioject.com`
TXT	`v=spf1 ip4:121.254.193.0/24 ip4:211.234.105.0/24 ~all`
SOA	`cbwc.or.kr`postmaster@cbwc.or.kr serial=20170705

`or.kr`

	DNSSEC	⚠️ Not signed
	NS	`g.dns.kr` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.kr` ⚠️ Not in parent delegation
	NS	`c.dns.kr` ⚠️ Not in parent delegation
	NS	`d.dns.kr` ⚠️ Not in parent delegation
	NS	`e.dns.kr` ⚠️ Not in parent delegation
	NS	`f.dns.kr` ⚠️ Not in parent delegation
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2608150509

rank #337 globally
rank #1 in the tld

or.kr

or.kr is a second‑level domain under South Korea’s.krcountry code top‑level domain, used for registering non‑profit and non‑governmental organizations.

Key facts

Owner / operator: KISA (Korea Internet & Security Agency)
TLD:.kr— ccTLD for South Korea
Primary purpose: registry for non‑profit organizations (NGOs, charities, etc.)
Status: active (used as a second‑level namespace; the apex domain itself does not host a website)

WOT: UNKNOWN (41/100)

NS for

cbwc.or.kr

Subdomains

smtp.cbwc.or.kr

zmail.cbwc.or.kr

ns2.cbwc.or.kr

ns3.cbwc.or.kr

ns.cbwc.or.kr

ns1.cbwc.or.kr

Same first word

cbwc.io

cbwc.ca

cbwc.or.kr

cbwc.org.au

cbwc.net

cbwc.com

cbwc.org.uk

cbwc.org

cbwc.us

cbwc.info

Similar names

wcbc.org

wbcc.cn

cwcb.ch

cwbc.cz

cbcw.net

cwbc.co.uk

cwbc.biz

bwcc.de

wbcc.us

ccbw.com

cwbc.com

wcbc.ru

ccwb.net

wccb.org

wbcc.com.cn

ccbw.de

wbcc.pl

cwbc.org

bcwc.pl

bwcc.cn

wcbc.com

bwcc.com

wbcc.ca

bwcc.nl

wcbc.net

wbcc.org.nz

cwcb.org

cwbc.be

wcbc.us

cwcb.co.uk

wcbc.s3.amazonaws.com

wcbc.de

bwcc.co.uk

wbcc.com

cwbc.co

wbcc.info

cwbc.de

cwcb.com

cwbc.hk

ccbw.be

bcwc.net

bccw.ca

ccwb.com

wcbc.com.au

ccbw.com.cn

bcwc.com

cwbc.info

bwcc.tv

wccb.gov.in

wcbc.ca

ccbw.cn

bwcc.com.au

bwcc.net

wbcc.net

bcwc.co.kr

wcbc.org.hk

ccwb.de

bccw.com

bccw.org

cwbc.ca

wcbc.edu

wccb.ca

wbcc.co.uk

bcwc.info

wbcc.be

ccwb.org

wccb.net

bwcc.eu

bcwc.org

cwbc.org.hk

bwcc.ca

cbcw.org

cwcb.cn

cbcw.cn

wbcc.org.au

cwbc.us

ccbw.gmbh

bccw.net

bccw.cn

wbcc.eu

cbcw.de

wbcc.nl

wcbc.co.uk

wccb.com

wccb.de

ccbw.co.za

cwcb.de

ccbw.ch

bwcc.us

wcbc.info

bwcc.co

ccwb.cn

DNS History

21 records (12 active, 9 former)

●NScbwc.or.kr2017-04-19 → 2026-08-15 · 6 obs

○ 2016-09-16 05:59:38
● 2017-04-19 07:02:48
● 2026-06-08 01:33:44
○ 2026-06-15 19:45:38
● 2026-06-17 18:29:30
● 2026-08-15 19:52:08

●NSns.cbwc.or.kr2017-04-19 → 2026-08-15 · 6 obs

○ 2016-09-16 05:59:38
● 2017-04-19 07:02:48
● 2026-06-08 01:33:44
○ 2026-06-15 19:45:38
● 2026-06-17 18:29:30
● 2026-08-15 19:52:08

●NSns.dongwonweb.co.kr2026-02-17 → 2026-08-15 · 3 obs

○ 2017-04-19 07:02:48
● 2026-02-17 18:18:32
● 2026-08-15 19:52:08

○NSns.readersclub.co.kr2015-08-12 → 2015-12-10 · 4 obs

● 2015-08-12 17:34:50
● 2015-12-10 02:42:34
○ 2016-03-19 16:30:04
○ 2026-08-15 19:52:08

○NSns.readershp.com2016-03-19 → 2016-09-16 · 5 obs

○ 2015-12-10 02:42:34
● 2016-03-19 16:30:04
● 2016-09-16 05:59:38
○ 2017-04-19 07:02:48
○ 2026-08-15 19:52:08

●NSns1.cbwc.or.kr2017-04-19 → 2026-08-15 · 6 obs

○ 2016-09-16 05:59:38
● 2017-04-19 07:02:48
● 2026-06-08 01:33:44
○ 2026-06-15 19:45:38
● 2026-06-17 18:29:30
● 2026-08-15 19:52:08

●NSns1.dongwonweb.co.kr2026-02-17 → 2026-08-15 · 3 obs

○ 2017-04-19 07:02:48
● 2026-02-17 18:18:32
● 2026-08-15 19:52:08

○NSns1.readersclub.co.kr2015-08-12 → 2015-12-10 · 4 obs

● 2015-08-12 17:34:50
● 2015-12-10 02:42:34
○ 2016-03-19 16:30:04
○ 2026-08-15 19:52:08

○NSns1.readershp.com2016-03-19 → 2016-09-16 · 5 obs

○ 2015-12-10 02:42:34
● 2016-03-19 16:30:04
● 2016-09-16 05:59:38
○ 2017-04-19 07:02:48
○ 2026-08-15 19:52:08

●NSns2.cbwc.or.kr2017-04-19 → 2026-08-15 · 6 obs

○ 2016-09-16 05:59:38
● 2017-04-19 07:02:48
● 2026-06-08 01:33:44
○ 2026-06-15 19:45:38
● 2026-06-17 18:29:30
● 2026-08-15 19:52:08

●NSns2.dongwonweb.co.kr2026-02-17 → 2026-08-15 · 3 obs

○ 2017-04-19 07:02:48
● 2026-02-17 18:18:32
● 2026-08-15 19:52:08

●NSns3.cbwc.or.kr2017-04-19 → 2026-08-15 · 6 obs

○ 2016-09-16 05:59:38
● 2017-04-19 07:02:48
● 2026-06-08 01:33:44
○ 2026-06-15 19:45:38
● 2026-06-17 18:29:30
● 2026-08-15 19:52:08

●NSns3.dongwonweb.co.kr2026-02-17 → 2026-08-15 · 3 obs

○ 2017-04-19 07:02:48
● 2026-02-17 18:18:32
● 2026-08-15 19:52:08

○MXmail.cbwc.or.kr2015-08-12 → 2016-09-16 · 4 obs

● 2015-08-12 17:34:50
● 2016-09-16 05:59:38
○ 2017-04-19 07:02:48
○ 2026-08-15 19:52:08

○MXrmw-002.fmcity.com2017-04-19 → 2017-04-19 · 4 obs

○ 2016-09-16 05:59:38
● 2017-04-19 07:02:48
○ 2026-02-17 18:18:32
○ 2026-08-15 19:52:08

●MXsmtp.cbwc.or.kr2026-02-17 → 2026-08-15 · 6 obs

○ 2017-04-19 07:02:48
● 2026-02-17 18:18:32
● 2026-06-08 01:33:44
○ 2026-06-15 19:45:38
● 2026-06-17 18:29:30
● 2026-08-15 19:52:08

●MXzmail.cbwc.or.kr2026-02-17 → 2026-08-15 · 6 obs

○ 2017-04-19 07:02:48
● 2026-02-17 18:18:32
● 2026-06-08 01:33:44
○ 2026-06-15 19:45:38
● 2026-06-17 18:29:30
● 2026-08-15 19:52:08

○A119.205.197.1172017-04-19 → 2017-04-19 · 4 obs

○ 2016-09-16 05:59:38
● 2017-04-19 07:02:48
○ 2026-02-17 18:18:32
○ 2026-08-15 19:52:08

●A183.111.100.2192026-02-17 → 2026-08-15 · 6 obs

○ 2017-04-19 07:02:48
● 2026-02-17 18:18:32
● 2026-06-08 01:33:44
○ 2026-06-15 19:45:38
● 2026-06-17 18:29:30
● 2026-08-15 19:52:08

○A211.57.203.1322015-12-10 → 2016-09-16 · 5 obs

○ 2015-08-12 17:34:50
● 2015-12-10 02:42:34
● 2016-09-16 05:59:38
○ 2017-04-19 07:02:48
○ 2026-08-15 19:52:08

○A218.54.47.282015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 17:34:50
○ 2015-12-10 02:42:34
○ 2026-08-15 19:52:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...	-
cbwc.or.kr	ns1.dongwonweb.co.kr, ns3.dongwonweb.co.kr, ns.dongwonweb.co.kr, ns2.dongwonweb.co.kr	-

✅ Authoritative Response

Server:116.126.143.226

NS records: ns1.dongwonweb.co.kr, ns3.dongwonweb.co.kr, ns.dongwonweb.co.kr, ns2.dongwonweb.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cbwc.or.kr (unsigned zone)

⏱️ Timing

Total: 1856ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.111.100.219`
NS	4	`ns2.cbwc.or.kr, ns.cbwc.or.kr...`
MX	2	`smtp.cbwc.or.kr (pri: 5), zmail.cbwc.or.kr (pri: 10)`
TXT	1	`v=spf1 ip4:121.254.193.0/24 ip4:211.234.`
SOA	1	`cbwc.or.kr postmaster.cbwc.or.kr`

Analysis

Hierarchy

Among the subdomains of cbwc.or.kr are smtp.cbwc.or.kr, zmail.cbwc.or.kr, ns2.cbwc.or.kr, ns3.cbwc.or.kr, ns.cbwc.or.kr and a few other host names.

Name Server Role

cbwc.or.kr serves as a name server for itself — cbwc.or.kr is its own authoritative name server.

ns1.dongwonweb.co.kr, ns2.dongwonweb.co.kr and ns3.dongwonweb.co.kr frequently serve as name servers alongside cbwc.or.kr.

IP Addresses

cbwc.or.kr points to a single IP number: 183.111.100.219.

Additional host names — cmix.co.kr, myhomeland.co.kr, ratelent.com and two others — share IP numbers with cbwc.or.kr.

Name Servers

cbwc.or.kr carries NS delegation across 9 name servers — cbwc.or.kr, ns1.dongwonweb.co.kr, ns2.dongwonweb.co.kr and 6 other.

There is at least partial name server overlap between cbwc.or.kr and other domains — dbsc.or.kr, skjsenior.org, hello-senior.or.kr and two more among them.

These name servers regularly appear alongside ns.dongwonweb.co.kr, ns1.cbwc.or.kr, ns1.dbsc.or.kr and 7 other name servers in NS record sets.

Host names pointing to a single IP address:

cbwc.or.kr has the IP address 183.111.100.219.

ns1.dongwonweb.co.kr has the IP address 116.126.143.226.

ns2.dongwonweb.co.kr has the IP address 218.145.65.144.

ns3.dongwonweb.co.kr has the IP address 116.126.143.225.

ns.dongwonweb.co.kr has the IP address 218.145.65.143.

ns1.cbwc.or.kr has the IP address 116.126.143.226.

ns2.cbwc.or.kr has the IP address 218.145.65.144.

ns3.cbwc.or.kr has the IP address 116.126.143.225.

ns.cbwc.or.kr has the IP address 218.145.65.143.

Both ns1.dongwonweb.co.kr and ns1.cbwc.or.kr resolve to 116.126.143.226 IP addresses each.

Both ns2.dongwonweb.co.kr and ns2.cbwc.or.kr resolve to 218.145.65.144 IP addresses each.

Both ns3.dongwonweb.co.kr and ns3.cbwc.or.kr resolve to 116.126.143.225 IP addresses each.

Both ns.dongwonweb.co.kr and ns.cbwc.or.kr resolve to 218.145.65.143 IP addresses each.

Mail Servers

cbwc.or.kr has two mail servers: smtp.cbwc.or.kr and zmail.cbwc.or.kr.

smtp.cbwc.or.kr → 211.234.105.40 and zmail.cbwc.or.kr → 211.234.105.9: one IP number per host name.

cbwc.or.kr - robtex.com

cbwc.or.kr

or.kr

or.kr

Key facts

NS for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

Name Server Role

IP Addresses

Name Servers

Mail Servers

`cbwc.or.kr`

`or.kr`