corertc.com - dns.ninja

corertc.com

DNSSEC⚠️ Not signed
A123.111.231.16🇰🇷 SKB-NET123.111.0.0/16 auto-generated route object for 123.111.0.0/16
NSns1.hosting.co.kr ⭐
A121.254.170.11🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary
NSns2.hosting.co.kr
A43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix
PTRec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com
NSns3.hosting.co.kr
A121.254.170.12🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary
NSns4.hosting.co.kr
A43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix
PTRec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com
SOAns1.hosting.co.kradmin@corertc.com serial=34

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785429727

Same first word

corertc.com

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DNS History

6 records (5 active, 1 former)

201820192020202120222023202420252026NSns1.hosting.co.krns2.hosting.co.krns3.hosting.co.krns4.hosting.co.krA123.111.231.16123.111.231.19
●NSns1.hosting.co.kr2017-10-17 → 2026-07-30 · 5 obs
● 2017-10-17 10:03:58
● 2026-05-13 02:47:12
○ 2026-05-13 12:36:12
● 2026-05-13 14:48:44
● 2026-07-30 16:56:46
●NSns2.hosting.co.kr2017-10-17 → 2026-07-30 · 5 obs
● 2017-10-17 10:03:58
● 2026-05-13 02:47:12
○ 2026-05-13 12:36:12
● 2026-05-13 14:48:44
● 2026-07-30 16:56:46
●NSns3.hosting.co.kr2026-02-24 → 2026-07-30 · 6 obs
○ 2017-10-17 10:03:58
● 2026-02-24 09:58:22
● 2026-05-13 02:47:12
○ 2026-05-13 12:36:12
● 2026-05-13 14:48:44
● 2026-07-30 16:56:46
●NSns4.hosting.co.kr2026-02-24 → 2026-07-30 · 6 obs
○ 2017-10-17 10:03:58
● 2026-02-24 09:58:22
● 2026-05-13 02:47:12
○ 2026-05-13 12:36:12
● 2026-05-13 14:48:44
● 2026-07-30 16:56:46
●A123.111.231.162020-01-28 → 2026-07-30 · 6 obs
○ 2017-10-17 10:03:58
● 2020-01-28 12:51:28
● 2026-05-13 02:47:12
○ 2026-05-13 12:36:12
● 2026-05-13 14:48:44
● 2026-07-30 16:56:46
○A123.111.231.192017-10-17 → 2017-10-17 · 3 obs
● 2017-10-17 10:03:58
○ 2020-01-28 12:51:28
○ 2026-07-30 16:56:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
corertc.comns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr-

✅ Authoritative Response

Server:121.254.170.12

NS records: ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corertc.com (unsigned zone)

⏱️ Timing

Total: 1263ms | Queries: -

📄 Records

TypeCountSample Data
A1123.111.231.16
NS4ns1.hosting.co.kr, ns2.hosting.co.kr...
SOA1ns1.hosting.co.kr admin.corertc.com

Analysis

IP Addresses

corertc.com has exactly one IP address — 123.111.231.16.

mestore.co.kr and adamstore.co.kr are among other host names that share IP numbers with corertc.com.

Name Servers

Four name servers handle the delegation for corertc.com: ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr.

The name servers of corertc.com overlap at least partially with those of other domains — among them hsd.kr, 16date.com, reduta.com and two more.

Four hostnames each with a single A record: ns1.hosting.co.kr → 121.254.170.11, ns2.hosting.co.kr → 43.201.141.93, ns3.hosting.co.kr → 121.254.170.12, ns4.hosting.co.kr → 43.201.141.93. ns2.hosting.co.kr and ns4.hosting.co.kr both direct to 43.201.141.93.

These two host names — ns2.hosting.co.kr and ns4.hosting.co.kr — each point to 43.201.141.93 IP addresses.