gcn.or.kr - robtex.com
gcn.or.kr
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.krdomain-manager@nic.or.kr serial=2610120544 | ||||||
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)
Subdomains
mail.gcn.or.kr |
Same first word
Similar names
Previous names
Next names
DNS History
16 records (9 active, 7 former)
●NSns1.digitalocean.com2026-03-19 → 2026-10-12 · 3 obs
● 2026-03-19 14:20:52
● 2026-10-12 18:24:28
○NSns16.dnsever.com2015-10-03 → 2017-12-03 · 5 obs
● 2015-10-03 12:18:46
● 2017-12-03 15:55:42
○ 2026-03-19 14:20:52
○ 2026-10-12 18:24:28
●NSns2.digitalocean.com2026-03-19 → 2026-10-12 · 3 obs
● 2026-03-19 14:20:52
● 2026-10-12 18:24:28
○NSns231.dnsever.com2015-08-24 → 2017-12-03 · 4 obs
● 2017-12-03 15:55:42
○ 2026-03-19 14:20:52
○ 2026-10-12 18:24:28
○NSns259.dnsever.com2015-10-03 → 2017-12-03 · 5 obs
● 2015-10-03 12:18:46
● 2017-12-03 15:55:42
○ 2026-03-19 14:20:52
○ 2026-10-12 18:24:28
●NSns3.digitalocean.com2026-03-19 → 2026-10-12 · 3 obs
● 2026-03-19 14:20:52
● 2026-10-12 18:24:28
○NSns73.dnsever.com2015-10-03 → 2017-12-03 · 5 obs
● 2015-10-03 12:18:46
● 2017-12-03 15:55:42
○ 2026-03-19 14:20:52
○ 2026-10-12 18:24:28
○NSns82.dnsever.com2015-10-03 → 2017-12-03 · 5 obs
● 2015-10-03 12:18:46
● 2017-12-03 15:55:42
○ 2026-03-19 14:20:52
○ 2026-10-12 18:24:28
●MXalt1.aspmx.l.google.com2015-10-03 → 2026-10-12 · 2 obs
● 2026-10-12 18:24:28
●MXalt2.aspmx.l.google.com2015-10-03 → 2026-10-12 · 2 obs
● 2026-10-12 18:24:28
●MXaspmx.l.google.com2015-10-03 → 2026-10-12 · 2 obs
● 2026-10-12 18:24:28
●MXaspmx2.googlemail.com2015-10-03 → 2026-10-12 · 2 obs
● 2026-10-12 18:24:28
●MXaspmx3.googlemail.com2015-10-03 → 2026-10-12 · 2 obs
● 2026-10-12 18:24:28
○A1.226.84.362015-08-24 → 2017-12-03 · 4 obs
● 2017-12-03 15:55:42
○ 2026-03-19 14:20:52
○ 2026-10-12 18:24:28
○A52.79.112.1302026-03-19 → 2026-04-29 · 5 obs
● 2026-03-19 14:20:52
● 2026-04-29 19:59:04
○ 2026-06-24 17:03:16
○ 2026-10-12 18:24:28
●A54.180.33.372026-06-24 → 2026-10-12 · 3 obs
● 2026-06-24 17:03:16
● 2026-10-12 18:24:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | 10 records |
| gcn.or.kr | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.49.209
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gcn.or.kr (unsigned zone)
⏱️ Timing
Total: 1197ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.180.33.37 |
| NS | 3 | ns3.digitalocean.com, ns2.digitalocean.com... |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | v=spf1 include:_spf.google.com ~all, google-site-verification=3RGoVzVAf-wx6cV |
| SOA | 1 | ns1.digitalocean.com hostmaster.gcn.or.k |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (b.dns.kr, c.dns.kr, d.dns.kr...)
Analysis
Hierarchy
The domain mail.gcn.or.kr falls under the parent gcn.or.kr.
IP Addresses
gcn.or.kr resolves to just one IP address, 54.180.33.37.
Two other host names, along with smartdf.com, musepick.co.kr and lfbrown.com, also share IP numbers with gcn.or.kr.
Name Servers
Three name servers are authoritative for gcn.or.kr: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
At least some of gcn.or.kr's name servers are shared with other domains, for example klatch.cloud, kg7vtn.com, dragonsoulstudios.net and two more.
ns1.digitalocean.com resolves to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com resolves to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com resolves to 172.64.49.209 and 2606:4700:52::ac40:31d1. All three hostnames point to two IP numbers each.
Mail Servers
Five mail servers handle gcn.or.kr: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
There is at least a partial MX overlap between gcn.or.kr and other domains, including ingenobusiness.net, itcbonelli.edu.it, uzulins.lv and two others.
These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
aspmx2.googlemail.com maps to two IP addresses — 192.178.234.26 and 2800:3f0:4003:c14::1a.
aspmx3.googlemail.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com maps to two IP addresses — 142.251.179.27 and 2607:f8b0:4004:c1f::1b.
alt1.aspmx.l.google.com maps to two IP addresses — 192.178.234.27 and 2800:3f0:4003:c14::1a.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.
These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 2800:3f0:4003:c14::1a IP addresses.