`tm.hs.kr`

DNSSEC	⚠️ Not signed
A	211.182.236.138^{🇰🇷 PETISNET-AS211.182.0.0/16 Pusan Metropolitan City Office of Eduacation}
NS	`ns1.pen.go.kr` ⭐ ⚠️ Not in zone NS records
		A	211.182.233.2^{🇰🇷 PETISNET-AS211.182.0.0/16 Pusan Metropolitan City Office of Eduacation}
		A	211.182.233.3^{🇰🇷 PETISNET-AS211.182.0.0/16 Pusan Metropolitan City Office of Eduacation}
NS	`ns2.pen.go.kr` ⚠️ Not in zone NS records
		A	211.182.233.3^{🇰🇷 PETISNET-AS211.182.0.0/16 Pusan Metropolitan City Office of Eduacation}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
TXT	`MS=ms72136795`
TXT	`google-site-verification=8jragqlq2hdzmyehvfjgbu2htl3nron41ky8lkmlwny`
SOA	`ns1.pen.go.kr`dnsadmin@pen.go.kr 2008-04-15 #24

`hs.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=2608090501

rank #31096 globally
rank #71 in the tld

hs.kr

hs.kris a delegated second-level domain under South Korea's country-code TLD.kr, reserved for high schools (고등학교, godeunghakgyo). Individual schools register under it using the pattern.hs.kr.

Key facts

Owner / operator: Korea Internet & Security Agency (KISA), under the Ministry of Science and ICT
TLD:.kr— South Korea (ccTLD)
Primary purpose: Namespace for South Korean high schools; individual institutions register third-level domains
Status: active

Notable subdomains or services

.hs.kr— each registered high school in South Korea operates its own subdomain (e.g. an official school website); the pattern is analogous to.ac.krfor universities

Related domains

ac.kr— universities and colleges
ms.kr— middle schools (중학교)
es.kr— elementary schools (초등학교)
go.kr— South Korean government bodies
or.kr— non-profit organizations

WOT: UNKNOWN (99/100)

Same first word

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tm.com.tw

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tm.org.mx

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tm.land

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tm.edu

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mt.gob.do

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mt.def.br

mt.cx

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mt.s3-eu-west-1.amazonaws.com

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mt.googleapis.com

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mt.pe

DNS History

8 records (8 active, 0 former)

●NSns1.pen.go.kr2026-02-20 → 2026-08-08 · 2 obs

● 2026-02-20 02:46:34
● 2026-08-08 22:51:24

●NSns2.pen.go.kr2026-02-20 → 2026-08-08 · 2 obs

● 2026-02-20 02:46:34
● 2026-08-08 22:51:24

●MXalt1.aspmx.l.google.com2026-02-20 → 2026-08-08 · 2 obs

● 2026-02-20 02:46:34
● 2026-08-08 22:51:24

●MXalt2.aspmx.l.google.com2026-02-20 → 2026-08-08 · 2 obs

● 2026-02-20 02:46:34
● 2026-08-08 22:51:24

●MXalt3.aspmx.l.google.com2026-02-20 → 2026-08-08 · 2 obs

● 2026-02-20 02:46:34
● 2026-08-08 22:51:24

●MXalt4.aspmx.l.google.com2026-02-20 → 2026-08-08 · 2 obs

● 2026-02-20 02:46:34
● 2026-08-08 22:51:24

●MXaspmx.l.google.com2026-02-20 → 2026-08-08 · 2 obs

● 2026-02-20 02:46:34
● 2026-08-08 22:51:24

●A211.182.236.1382026-02-20 → 2026-08-08 · 2 obs

● 2026-02-20 02:46:34
● 2026-08-08 22:51:24

🔍 DNS Trace

Analysis

IP Addresses

tm.hs.kr resolves to just one IP address, 211.182.236.138.

Two other host names, along with sanam.es.kr, isabel.ms.kr and deoksang.es.kr, also share IP numbers with tm.hs.kr.

Name Servers

tm.hs.kr uses two name servers for its delegation: ns1.pen.go.kr and ns2.pen.go.kr.

tm.hs.kr shares its NS records with other domains, for example sumi.es.kr, yonsan.ms.kr, dasong.es.kr and two others.

tm.hs.kr partially shares its NS delegation with several other domains, including jangancho.es.kr, childpia.kr, bssj.hs.kr and two others.

These name servers are regularly seen alongside ns1.busanedu.net and ns2.busanedu.net as name servers.

Host names that have two IP addresses:

ns1.pen.go.kr directs traffic to 211.182.233.2 and 211.182.233.3.

Host names that point to one IP address:

ns2.pen.go.kr has the IP address 211.182.233.3.

Both ns1.pen.go.kr and ns2.pen.go.kr resolve to 211.182.233.3 IP addresses each.

Mail Servers

tm.hs.kr is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between tm.hs.kr and other domains, including titantws.com, lionsfg.com, chanceliga.cz and two others.

alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.

Host names that have two IP addresses:

aspmx.l.google.com directs traffic to 172.253.63.27 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1b.

tm.hs.kr - robtex.com

tm.hs.kr

hs.kr

hs.kr

Key facts

Notable subdomains or services

Related domains

Same first word

Similar names

DNS History

🔍 DNS Trace

Analysis

IP Addresses

Name Servers

Mail Servers

`tm.hs.kr`

`hs.kr`