webthink.kr - dns.ninja

`webthink.kr`

DNSSEC	⚠️ Not signed
A	182.162.21.100^{🇰🇷 NHN-AS-KR182.162.21.0/25}
NS	`ns.webthink.kr` ⭐
		A	182.162.21.100^{🇰🇷 NHN-AS-KR182.162.21.0/25}
NS	`ns.bikecorea.kr` ⚠️ Not in zone NS records
		A	182.162.21.27^{🇰🇷 NHN-AS-KR182.162.21.0/25}
MX	`mail.webthink.kr` ⭐
		A	182.162.21.100^{🇰🇷 NHN-AS-KR182.162.21.0/25}
MX	`webthink.kr`⁽²⁰⁾
		A	182.162.21.100^{🇰🇷 NHN-AS-KR182.162.21.0/25}
TXT	`v=spf1 ip4:182.162.21.100 ~all`
SOA	`ns.webthink.kr`root@webthink.kr serial=50

`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=2608071042

MX for

jeokseoksan.com

webthink.kr

kyla.or.kr

krssidd.com

Previously MX for

kchn.kr

mi-ju.co.kr

yeilskin.co.kr

sunghyup.com

hymetal.co.kr

e-wesco.com

woncc.com

Subdomains

mail.webthink.kr

ns.webthink.kr

Same first word

webthink.co.kr

webthink.com.cn

webthink.net

webthink.africa

webthink.it

webthink.kr

webthink.cc

webthink.com

Similar names

DNS History

8 records (5 active, 3 former)

●NSns.bikecorea.kr2026-03-20 → 2026-08-07 · 3 obs

○ 2015-05-29 18:57:20
● 2026-03-20 01:47:40
● 2026-08-07 19:19:26

●NSns.webthink.kr2015-05-29 → 2026-08-07 · 2 obs

● 2015-05-29 18:57:20
● 2026-08-07 19:19:26

●MXmail.webthink.kr2026-03-20 → 2026-08-07 · 3 obs

○ 2015-05-29 18:57:20
● 2026-03-20 01:47:40
● 2026-08-07 19:19:26

●MXwebthink.kr2015-05-29 → 2026-08-07 · 2 obs

● 2015-05-29 18:57:20
● 2026-08-07 19:19:26

○A121.124.127.482015-05-29 → 2017-07-28 · 4 obs

● 2015-05-29 18:57:20
● 2017-07-28 15:23:52
○ 2026-03-20 01:47:40
○ 2026-08-07 19:19:26

●A182.162.21.1002026-03-20 → 2026-08-07 · 3 obs

○ 2017-07-28 15:23:52
● 2026-03-20 01:47:40
● 2026-08-07 19:19:26

○PTR121.124.127.48.webthink.kr2016-11-17 → 2017-07-28 · 4 obs

● 2016-11-17 15:25:22
● 2017-07-28 15:23:52
○ 2026-03-20 01:47:40
○ 2026-08-07 19:19:26

○PTRwebthink.kr2016-11-17 → 2017-07-28 · 4 obs

● 2016-11-17 15:25:22
● 2017-07-28 15:23:52
○ 2026-03-20 01:47:40
○ 2026-08-07 19:19:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...	-
webthink.kr	ns.bikecorea.kr, ns.webthink.kr	2 records

✅ Authoritative Response

Server:182.162.21.100

NS records: ns.bikecorea.kr, ns.webthink.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for webthink.kr (unsigned zone)

⏱️ Timing

Total: 1041ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`182.162.21.100`
NS	1	`ns.webthink.kr`
MX	2	`mail.webthink.kr (pri: 10), webthink.kr (pri: 20)`
TXT	1	`v=spf1 ip4:182.162.21.100 ~all`
SOA	1	`ns.webthink.kr root.webthink.kr`

📌 Glue Records Collected

Total: 2

In-bailiwick: 1 (ns.webthink.kr)

Out-of-bailiwick: 1 (ns.bikecorea.kr)

Analysis

Hierarchy

The parent domain of mail.webthink.kr and ns.webthink.kr is webthink.kr.

Mail Server Role

webthink.kr serves as the mail server for jeokseoksan.com, webthink.kr, kyla.or.kr and krssidd.com.

As mail servers, mail.webthink.kr and webthink.kr are regularly found together.

IP Addresses

webthink.kr directs to one IP number, which is 182.162.21.100.

Among the host names that share IP numbers with webthink.kr are ns.webthink.kr, hymetal.co.kr, ns.mi-ju.co.kr and two others.

Name Servers

webthink.kr uses two name servers for its delegation: ns.bikecorea.kr and ns.webthink.kr.

webthink.kr has the same name server delegation as a number of other domains, such as yetilaw.co.kr, jeokseoksan.com, cwdade.com and two more.

The name servers of webthink.kr overlap at least partially with those of other domains — among them mi-ju.co.kr, metrotech.co.kr, woonjung.kr and two more.

These name servers commonly appear alongside the name servers ns.webthink.co.kr and ns.metrotech.co.kr.

Both ns.bikecorea.kr and ns.webthink.kr have a single IP address each — ns.bikecorea.kr resolves to 182.162.21.27 while ns.webthink.kr resolves to 182.162.21.100.

Mail Servers

The domain webthink.kr has two mail servers: webthink.kr and mail.webthink.kr.

At least some of webthink.kr's mail servers are shared with other domains, among them jeokseoksan.com, kyla.or.kr and krssidd.com.

webthink.kr resolves to 182.162.21.100; mail.webthink.kr resolves to the same IP address, 182.162.21.100.

Both webthink.kr and mail.webthink.kr resolve to 182.162.21.100 IP addresses each.