dgh.hs.kr - robtex.com
dgh.hs.kr
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.krdomain-manager@nic.or.kr serial=2606170501 | ||||||
rank #68 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.
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
— each registered high school in South Korea operates its own subdomain (e.g. an official school website); the pattern is analogous to.hs.kr for universities.ac.kr
Related domains
ac.kr— universities and collegesms.kr— middle schools (중학교)es.kr— elementary schools (초등학교)go.kr— South Korean government bodiesor.kr— non-profit organizations
Same first word
Similar names
DNS History
20 records (12 active, 8 former)
●NSns18.dnszi.com2026-03-07 → 2026-06-17 · 3 obs
● 2026-03-07 23:57:24
● 2026-06-17 12:41:00
○NSns231.dnsever.com2015-07-17 → 2021-07-06 · 4 obs
● 2021-07-06 19:54:18
○ 2026-03-07 23:57:24
○ 2026-06-17 12:41:00
○NSns259.dnsever.com2015-07-17 → 2021-07-06 · 4 obs
● 2021-07-06 19:54:18
○ 2026-03-07 23:57:24
○ 2026-06-17 12:41:00
●NSns3.dnszi.com2026-03-07 → 2026-06-17 · 3 obs
● 2026-03-07 23:57:24
● 2026-06-17 12:41:00
○NSns47.dnsever.com2015-07-17 → 2021-07-06 · 4 obs
● 2021-07-06 19:54:18
○ 2026-03-07 23:57:24
○ 2026-06-17 12:41:00
●NSns51.dnszi.com2026-03-07 → 2026-06-17 · 3 obs
● 2026-03-07 23:57:24
● 2026-06-17 12:41:00
●NSns62.dnszi.com2026-03-07 → 2026-06-17 · 3 obs
● 2026-03-07 23:57:24
● 2026-06-17 12:41:00
●NSns74.dnszi.com2026-03-07 → 2026-06-17 · 3 obs
● 2026-03-07 23:57:24
● 2026-06-17 12:41:00
○NSns86.dnsever.com2015-07-17 → 2021-07-06 · 4 obs
● 2021-07-06 19:54:18
○ 2026-03-07 23:57:24
○ 2026-06-17 12:41:00
○NSns99.dnsever.com2015-07-17 → 2021-07-06 · 4 obs
● 2021-07-06 19:54:18
○ 2026-03-07 23:57:24
○ 2026-06-17 12:41:00
●MXalt1.aspmx.l.google.com2021-07-06 → 2026-06-17 · 2 obs
● 2026-06-17 12:41:00
●MXalt2.aspmx.l.google.com2021-07-06 → 2026-06-17 · 2 obs
● 2026-06-17 12:41:00
●MXalt3.aspmx.l.google.com2021-07-06 → 2026-06-17 · 2 obs
● 2026-06-17 12:41:00
●MXalt4.aspmx.l.google.com2021-07-06 → 2026-06-17 · 2 obs
● 2026-06-17 12:41:00
●MXaspmx.l.google.com2021-07-06 → 2026-06-17 · 2 obs
● 2026-06-17 12:41:00
●MXqwlutv5uvvwmcsnhz3mdhrh64bmcrtb6nlkdbf4r7iiomxlno6oa.mx-verification.google.com2021-07-06 → 2026-06-17 · 2 obs
● 2026-06-17 12:41:00
○A118.221.120.542021-07-06 → 2021-07-06 · 4 obs
● 2021-07-06 19:54:18
○ 2026-03-07 23:57:24
○ 2026-06-17 12:41:00
○A121.125.68.912017-06-05 → 2017-09-07 · 5 obs
● 2017-06-05 06:44:34
● 2017-09-07 19:33:30
○ 2021-07-06 19:54:18
○ 2026-06-17 12:41:00
○A211.218.126.1722015-07-17 → 2016-10-05 · 4 obs
● 2016-10-05 09:04:22
○ 2017-06-05 06:44:34
○ 2026-06-17 12:41:00
●A221.141.2.542026-03-07 → 2026-06-17 · 3 obs
● 2026-03-07 23:57:24
● 2026-06-17 12:41:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | - |
| dgh.hs.kr | ns51.dnszi.com, ns18.dnszi.com, ns62.dnszi.com, ns3.dnszi.com... | - |
✅ Authoritative Response
Server:27.1.16.81
NS records: ns51.dnszi.com, ns18.dnszi.com, ns62.dnszi.com, ns3.dnszi.com, ns74.dnszi.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dgh.hs.kr (unsigned zone)
⏱️ Timing
Total: 1564ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 221.141.2.54 |
| NS | 5 | ns3.dnszi.com, ns18.dnszi.com... |
| MX | 6 | alt4.aspmx.l.google.com (pri: 10), qwlutv5uvvwmcsnhz3mdhrh64bmcrtb6nlkdbf4r... |
| TXT | 2 | MS=ms79822912, apple-domain-verification=2HzTx3CHScIOQc |
| SOA | 1 | ns3.dnszi.com root.dnszi.com |
Analysis
IP Addresses
dgh.hs.kr points to a single IP number: 221.141.2.54.
Additional host names — woojungsa.co.kr, www.woojungsa.co.kr, hye.or.kr and two others — share IP numbers with dgh.hs.kr.
Name Servers
Delegation for dgh.hs.kr is to five name servers: ns18.dnszi.com, ns3.dnszi.com, ns51.dnszi.com and two others.
dgh.hs.kr has at least partial name server overlap with other domains, such as welcometopranking.com, gohere.kr, onepress.site and two others.
It is common to see these name servers used together with name servers ns62.dnszi.com and ns74.dnszi.com.
Host names pointing to a single IP address:
The hostname ns18.dnszi.com resolves to 121.78.72.36.
The hostname ns3.dnszi.com resolves to 121.78.251.20.
The hostname ns51.dnszi.com resolves to 27.1.16.81.
The hostname ns62.dnszi.com resolves to 58.120.225.167.
The hostname ns74.dnszi.com resolves to 121.78.251.26.
Mail Servers
Mail for dgh.hs.kr is routed through 6 mail servers, including aspmx.l.google.com, qwlutv5uvvwmcsnhz3mdhrh64bmcrtb6nlkdbf4r7iiomxlno6oa.mx-verification.google.com, alt1.aspmx.l.google.com and 3 other.
dgh.hs.kr shares mail servers — at least in part — with other domains, including ns500693.ns500699.ns500693.ns500693.ns500734.ns500699.ns500693.ns500699.ns500699.ns500588.ns500683.ns500588.ns500588.ns500632.ns500588.ns500578.ns500110.dtrkdll.com, ns500731.ns500754.ns500754.ns500754.ns500731.ns500705.ns500671.ns500688.ns500678.ns500688.ns500678.tenderladiesbz.com, ns500768.ns500758.ns500758.ns500759.ns500758.ns500735.ns500698.ns500735.ns500735.ns500698.ns500735.ns500698.ns500686.ns500619.trackreceptor.com and two others.
These mail servers are frequently used alongside the mail servers alt2.aspmx.l.google.com, alt4.aspmx.l.google.com and alt3.aspmx.l.google.com, plus two others.
Host names with two IP numbers:
aspmx.l.google.com resolves to two addresses: 142.251.167.27 and 2607:f8b0:4004:c1b::1a.
alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.