gcs.ac.kr - robtex.com

gcs.ac.kr

DNSSEC⚠️ Not signed
A220.67.250.3🇰🇷 KT-NET220.67.250.0/24
NSgcs.ac.kr ⭐
A220.67.250.3🇰🇷 KT-NET220.67.250.0/24
NSns.gcs.ac.kr ⚠️ Not in zone NS records
A220.67.250.3🇰🇷 KT-NET220.67.250.0/24
MXmail.gcs.ac.kr ⭐
A220.67.250.4🇰🇷 KT-NET220.67.250.0/24
SOAgcs.ac.krwebmaster@ksc.ac.kr serial=42

ac.kr

DNSSEC⚠️ Not signed
NSg.dns.kr ⭐ ⚠️ Not in parent delegation
NSb.dns.kr ⚠️ Not in parent delegation
NSc.dns.kr ⚠️ Not in parent delegation
NSd.dns.kr ⚠️ Not in parent delegation
NSe.dns.kr ⚠️ Not in parent delegation
NSf.dns.kr ⚠️ Not in parent delegation
SOAg.dns.krdomain-manager@nic.or.kr serial=2604290503
WOT: SAFE (99/100)

NS for

gcs.ac.kr

Subdomains

ns.gcs.ac.kr
mail.gcs.ac.kr

Same first word

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cgs.com.mx
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csg.cat
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cgs.rs
csg.ru
gsc.us
csg.com.br
sgc.vn
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cgs.net.au
csg.biz.pl
csg.mobi
scg.co.il

DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026NSgcs.ac.krns.gcs.ac.krMXmail.gcs.ac.krA220.67.250.3210.110.200.3
●NSgcs.ac.kr2015-07-23 → 2026-04-29 · 2 obs
● 2015-07-23 08:50:46
● 2026-04-29 20:01:22
●NSns.gcs.ac.kr2026-04-03 → 2026-04-29 · 3 obs
○ 2015-07-23 08:50:46
● 2026-04-03 15:26:42
● 2026-04-29 20:01:22
●MXmail.gcs.ac.kr2015-07-23 → 2026-04-29 · 2 obs
● 2015-07-23 08:50:46
● 2026-04-29 20:01:22
○A210.110.200.32015-07-23 → 2017-07-28 · 4 obs
● 2015-07-23 08:50:46
● 2017-07-28 01:13:14
○ 2026-04-03 15:26:42
○ 2026-04-29 20:01:22
●A220.67.250.32026-04-03 → 2026-04-29 · 3 obs
○ 2017-07-28 01:13:14
● 2026-04-03 15:26:42
● 2026-04-29 20:01:22

🔍 DNS Trace

Analysis

Hierarchy

gcs.ac.kr is a parent of ns.gcs.ac.kr and mail.gcs.ac.kr.

Name Server Role

gcs.ac.kr acts as the name server for gcs.ac.kr.

Both ns.gcs.ac.kr and gcs.ac.kr are commonly used as name servers.

IP Addresses

gcs.ac.kr points to a single IP number: 220.67.250.3.

Other host names, for instance gsc.ac.kr, ns.kcs.ac.kr, ns.gcs.ac.kr, gch.ac.kr and ksc.ac.kr share IP numbers with gcs.ac.kr.

Name Servers

Two name servers are used for gcs.ac.kr: gcs.ac.kr and ns.gcs.ac.kr.

gcs.ac.kr partially shares name servers with other domains, for instance gsc.ac.kr.

Host names with a single IP number:

gcs.ac.kr points to 220.67.250.3.

ns.gcs.ac.kr points to 220.67.250.3.

Host names pointing to 220.67.250.3: gcs.ac.kr and ns.gcs.ac.kr.

Mail Servers

The mail server for gcs.ac.kr is mail.gcs.ac.kr.

Host name mail.gcs.ac.kr resolves to IP 220.67.250.4.