decoder.kr - robtex.com

decoder.kr

DNSSEC⚠️ Not signed
A183.111.100.156🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSdecoder.kr
A183.111.100.156🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSns1.cafe24.co.kr
A112.175.246.232🇰🇷 KT-NET112.168.0.0/13
A112.175.246.233🇰🇷 KT-NET112.168.0.0/13
A175.125.93.136🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.137🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSns1.cafe24.com
A112.175.246.230🇰🇷 KT-NET112.168.0.0/13
A112.175.246.231🇰🇷 KT-NET112.168.0.0/13
A116.126.143.242🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
A175.125.93.134🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.135🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSns2.cafe24.co.kr
A112.175.247.232🇰🇷 KT-NET112.168.0.0/13
PTRsnoweb.kr
PTRsarchi.co.kr
A112.175.247.233🇰🇷 KT-NET112.168.0.0/13
A175.125.93.146🇰🇷 SKB-NET175.120.0.0/13 SKB summary
A175.125.93.147🇰🇷 SKB-NET175.120.0.0/13 SKB summary
NSns2.cafe24.com
A1.226.85.4🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13
A1.234.0.4🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13
A112.175.11.4🇰🇷 KT-NET112.168.0.0/13
A112.175.12.4🇰🇷 KT-NET112.168.0.0/13
MXkr1-aspmx1.worksmobile.com
A125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform
PTRcrcvmail.worksmobile.com
MXkr1-aspmx2.worksmobile.com(20)
A125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform
PTRcrcvmail.worksmobile.com
TXTv=spf1 ip4:183.111.100.156 include:spf.worksmobile.com ~all
SOAdecoder.krpostmaster@decoder.kr serial=20160514

kr

DNSSEC🔒 Signed (DS record present)
NSg.dns.kr
NSb.dns.kr
NSc.dns.kr
NSd.dns.kr
NSe.dns.kr
NSf.dns.kr
SOAg.dns.krdomain-manager@nic.or.kr serial=2607140555

NS for

Same first word

Similar names

DNS History

8 records (8 active, 0 former)

NSdecoder.krns1.cafe24.co.krns1.cafe24.comns2.cafe24.co.krns2.cafe24.comMXkr1-aspmx1.worksmobile.comkr1-aspmx2.worksmobile.comA183.111.100.156
NSdecoder.kr2026-03-03 → 2026-07-14 · 2 obs
● 2026-03-03 17:03:40
● 2026-07-14 01:00:44
NSns1.cafe24.co.kr2026-03-03 → 2026-07-14 · 2 obs
● 2026-03-03 17:03:40
● 2026-07-14 01:00:44
NSns1.cafe24.com2026-03-03 → 2026-07-14 · 2 obs
● 2026-03-03 17:03:40
● 2026-07-14 01:00:44
NSns2.cafe24.co.kr2026-03-03 → 2026-07-14 · 2 obs
● 2026-03-03 17:03:40
● 2026-07-14 01:00:44
NSns2.cafe24.com2026-03-03 → 2026-07-14 · 2 obs
● 2026-03-03 17:03:40
● 2026-07-14 01:00:44
MXkr1-aspmx1.worksmobile.com2026-03-03 → 2026-07-14 · 2 obs
● 2026-03-03 17:03:40
● 2026-07-14 01:00:44
MXkr1-aspmx2.worksmobile.com2026-03-03 → 2026-07-14 · 2 obs
● 2026-03-03 17:03:40
● 2026-07-14 01:00:44
A183.111.100.1562026-03-03 → 2026-07-14 · 2 obs
● 2026-03-03 17:03:40
● 2026-07-14 01:00:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krb.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...-
decoder.krns1.cafe24.com, ns1.cafe24.co.kr, ns2.cafe24.com, ns2.cafe24.co.kr-

✅ Authoritative Response

Server:112.175.246.230

NS records: ns1.cafe24.com, ns1.cafe24.co.kr, ns2.cafe24.com, ns2.cafe24.co.kr

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at decoder.kr: Error: DNS query timeout: 210.101.60.1 for DS decoder.kr

⏱️ Timing

Total: 4854ms | Queries: -

📄 Records

TypeCountSample Data
A1183.111.100.156
NS4ns2.cafe24.com, ns2.cafe24.co.kr...
MX2kr1-aspmx2.worksmobile.com (pri: 20), kr1-aspmx1.worksmobile.com (pri: 10)
TXT1v=spf1 ip4:183.111.100.156 include:spf.w
SOA1decoder.kr postmaster.decoder.kr

Analysis

Name Server Role

decoder.kr is listed as a name server for decoder.kr — it is in-bailiwick, authoritative for its own domain.

It is common to see ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr acting as name servers in combination with decoder.kr.

IP Addresses

decoder.kr has exactly one IP address — 183.111.100.156.

copierland.net, mtk21.co.kr, lnccorp.com plus two other host names have IP numbers in common with decoder.kr.

Name Servers

The delegation of decoder.kr is to five name servers, including decoder.kr, ns1.cafe24.com, ns2.cafe24.com and two others.

The name servers of decoder.kr overlap at least partially with those of other domains — among them yeonjehobba.co.kr, jidokorea.com, foodncare.net and two more.

These name servers commonly appear in delegations together with ns2.cafe24.co.kr, ns.cafe24.com, ns0.cafe24.com and 4 other.

Hosts with five IP addresses:

ns1.cafe24.com has IP addresses 112.175.246.230, 112.175.246.231 and 116.126.143.242 along with two other addresses.

Host names with four IP addresses:

ns2.cafe24.com resolves to 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns1.cafe24.co.kr resolves to 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr resolves to 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Host names resolving to a single IP address:

decoder.kr has the IP address 183.111.100.156.

Mail Servers

decoder.kr uses two mail servers, kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.

The mail server setup of decoder.kr matches that of other domains such as take1.co.kr, ysplan.net, jlcc.co.kr and two others.

At least some of the mail servers used by decoder.kr are shared with other domains: chmbc.co.kr, corement.com, gana2.com and two others among them.

kr1-aspmx1.worksmobile.com resolves to 125.209.209.251; kr1-aspmx2.worksmobile.com resolves to the same IP address, 125.209.209.251.

Both kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com resolve to 125.209.209.251 IP addresses each.