ns3.sdntcorp.com - robtex.com

ns3.sdntcorp.com

CNAMEsdntcorp.com
DNSSEC⚠️ Not signed
A183.111.182.209🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSsdntcorp.com ⭐
A183.111.182.209🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSns.infodu.co.kr ⚠️ Not in zone NS records
A218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSns.sdntcorp.com ⚠️ Not in parent delegation
NSns1.infodu.co.kr ⚠️ Not in zone NS records
A116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
NSns1.sdntcorp.com ⚠️ Not in parent delegation
NSns2.infodu.co.kr ⚠️ Not in zone NS records
A218.145.65.144🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSns2.sdntcorp.com ⚠️ Not in parent delegation
NSns3.infodu.co.kr ⚠️ Not in zone NS records
A116.126.143.225🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
NSns3.sdntcorp.com ⚠️ Not in parent delegation
MXwmx.ecounterp.com ⭐
A43.200.46.3🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix
PTRec2-43-200-46-3.ap-northeast-2.compute.amazonaws.com
TXTv=spf1 mx include:spf.ecounterp.com ~all
SOAsdntcorp.compostmaster@sdntcorp.com serial=20251027

sdntcorp.com

DNSSEC⚠️ Not signed
A183.111.182.209🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSsdntcorp.com ⭐
NSns.infodu.co.kr ⚠️ Not in zone NS records
NSns.sdntcorp.com ⚠️ Not in parent delegation
NSns1.infodu.co.kr ⚠️ Not in zone NS records
NSns1.sdntcorp.com ⚠️ Not in parent delegation
NSns2.infodu.co.kr ⚠️ Not in zone NS records
NSns2.sdntcorp.com ⚠️ Not in parent delegation
NSns3.infodu.co.kr ⚠️ Not in zone NS records
NSns3.sdntcorp.com ⚠️ Not in parent delegation
MXwmx.ecounterp.com ⭐
TXTv=spf1 mx include:spf.ecounterp.com ~all
SOAsdntcorp.compostmaster@sdntcorp.com serial=20251027

NS for

sdntcorp.com

Same first word

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DNS History

1 record (1 active, 0 former)

CNAMEsdntcorp.com
●CNAMEsdntcorp.com2026-07-12 → 2026-08-03 · 2 obs
● 2026-07-12 15:08:12
● 2026-08-03 04:31:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net...-
sdntcorp.comns.infodu.co.kr, ns1.infodu.co.kr, ns2.infodu.co.kr, ns3.infodu.co.kr-

✅ Authoritative Response

Server:218.145.65.144

NS records: ns.infodu.co.kr, ns1.infodu.co.kr, ns2.infodu.co.kr, ns3.infodu.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdntcorp.com (unsigned zone)

⏱️ Timing

Total: 1372ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1sdntcorp.com

Analysis

Name Server Role

sdntcorp.com is delegated to ns3.sdntcorp.com as a name server.

Together with ns3.sdntcorp.com, the hosts sdntcorp.com, ns1.sdntcorp.com and ns2.sdntcorp.com are frequently configured as name servers.

IP Addresses

ns3.sdntcorp.com directs to one IP number, which is 183.111.182.209.

Among the host names that share IP numbers with ns3.sdntcorp.com are enetek.co.kr, wc38.koreawebcenter.com, lassatyres.co.kr and two others.

Name Servers

DNS for ns3.sdntcorp.com is delegated to 9 name servers: ns3.sdntcorp.com, sdntcorp.com, ns1.sdntcorp.com plus 6 other.

ns3.sdntcorp.com has at least partial name server overlap with other domains, such as dsmagnet.com, kukjecc.com, grandtire.co.kr and two others.

It is common to find these name servers paired with the name servers ns1.infodu.co.kr, ns3.infodu.co.kr, ns.infodu.co.kr and ns2.infodu.co.kr.

Hosts that resolve to one IP address:

sdntcorp.com resolves to 183.111.182.209.

ns1.infodu.co.kr resolves to 116.126.143.226.

ns2.infodu.co.kr resolves to 218.145.65.144.

ns3.infodu.co.kr resolves to 116.126.143.225.

ns.infodu.co.kr resolves to 218.145.65.143.

Mail Servers

ns3.sdntcorp.com routes its mail through a single mail server, wmx.ecounterp.com.

ns3.sdntcorp.com has the same mail server arrangement as a number of other domains, for example dm-ent.co.kr, kimas.co.kr, tgskorea.com and two more.

At least some of ns3.sdntcorp.com's mail servers are shared with other domains, among them k-cel.co.kr, swontech.com, jl-korea.com and withnami.com.

wmx.ecounterp.com points to one IP number — 43.200.46.3.