`osang.hs.kr`

DNSSEC	⚠️ Not signed
A	203.255.233.215^{🇰🇷 KBISE-AS-KR203.255.232.0/23 PACNET (proxy-registered route object)}
		PTR	`www.jungbang.org`
		PTR	`www.gilwon.hs.kr`
		PTR	`www.gnet.hs.kr`
		PTR	`www.ydgs.ms.kr`
		PTR	`www.school.gyo6.net`
NS	`ns2.gyo6.net` ⭐
		A	203.255.233.2^{🇰🇷 KBISE-AS-KR203.255.232.0/23 PACNET (proxy-registered route object)}
			PTR	`ns2.gyo6.net`
NS	`ns.gyo6.net`
		A	203.255.233.1^{🇰🇷 KBISE-AS-KR203.255.232.0/23 PACNET (proxy-registered route object)}
			PTR	`ns.gyo6.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.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	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.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::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=9h8I6T69GuoNoyuffe5pakzXcnWwzrG02W8cqlQgPdo`
SOA	`ns.gyo6.net`dusen0519@gyo6.net 2019-07-03 #20

`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=2607110501

rank #29397 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

osang.de

osang.net

osang.eu

osang.at

osang.com

osang.hs.kr

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DNS History

9 records (8 active, 1 former)

●NSns.gyo6.net2015-08-21 → 2026-07-11 · 2 obs

● 2015-08-21 19:14:10
● 2026-07-11 11:29:58

●NSns2.gyo6.net2015-08-21 → 2026-07-11 · 2 obs

● 2015-08-21 19:14:10
● 2026-07-11 11:29:58

●MXalt1.aspmx.l.google.com2026-06-14 → 2026-07-11 · 2 obs

● 2026-06-14 17:40:30
● 2026-07-11 11:29:58

●MXalt2.aspmx.l.google.com2026-06-14 → 2026-07-11 · 2 obs

● 2026-06-14 17:40:30
● 2026-07-11 11:29:58

●MXalt3.aspmx.l.google.com2026-06-14 → 2026-07-11 · 2 obs

● 2026-06-14 17:40:30
● 2026-07-11 11:29:58

●MXalt4.aspmx.l.google.com2026-06-14 → 2026-07-11 · 2 obs

● 2026-06-14 17:40:30
● 2026-07-11 11:29:58

●MXaspmx.l.google.com2026-06-14 → 2026-07-11 · 2 obs

● 2026-06-14 17:40:30
● 2026-07-11 11:29:58

○A203.255.233.2102015-08-21 → 2019-03-17 · 4 obs

● 2015-08-21 19:14:10
● 2019-03-17 20:16:46
○ 2026-06-14 17:40:30
○ 2026-07-11 11:29:58

●A203.255.233.2152026-06-14 → 2026-07-11 · 3 obs

○ 2019-03-17 20:16:46
● 2026-06-14 17:40:30
● 2026-07-11 11:29:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	c.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...	-
osang.hs.kr	ns2.gyo6.net, ns.gyo6.net	-

✅ Authoritative Response

Server:203.255.233.1

NS records: ns2.gyo6.net, ns.gyo6.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osang.hs.kr (unsigned zone)

⏱️ Timing

Total: 3522ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.255.233.215`
NS	2	`ns2.gyo6.net, ns.gyo6.net`
MX	5	`ASPMX.L.GOOGLE.COM (pri: 1), ALT3.ASPMX.L.GOOGLE.COM (pri: 10)...`
TXT	1	`google-site-verification=9h8I6T69GuoNoyu`
SOA	1	`ns.gyo6.net dusen0519.gyo6.net`

Analysis

IP Addresses

osang.hs.kr resolves to just one IP address, 203.255.233.215.

Two other host names, along with uh.school.gyo6.net, yi.hs.kr and gg.ms.kr, also share IP numbers with osang.hs.kr.

Name Servers

osang.hs.kr uses two name servers for its delegation: ns2.gyo6.net and ns.gyo6.net.

osang.hs.kr shares its NS records with other domains, for example 233.255.203.in-addr.arpa, jungbang.org, musan.hs.kr and two others.

osang.hs.kr partially shares its NS delegation with several other domains, including sonamuhs.school.gyo6.net, uh.school.gyo6.net, wolseong.school.gyo6.net and two others.

ns2.gyo6.net resolves to 203.255.233.2. ns.gyo6.net resolves to 203.255.233.1. Both host names point to a single IP number.

Mail Servers

Mail for osang.hs.kr is handled by five mail servers, namely 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 osang.hs.kr and other domains, including ltmventures.com, baldwin.cc, akronag.com and two others.

alt4.aspmx.l.google.com, alt3.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 192.178.155.26 and 2607:f8b0:4004:c0b::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 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::1a.

osang.hs.kr - robtex.com

osang.hs.kr

hs.kr

hs.kr

Key facts

Notable subdomains or services

Related domains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`osang.hs.kr`

`hs.kr`