isr.kr - robtex.com

isr.kr

DNSSEC⚠️ Not signed
A183.111.199.144🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSisr.kr
A183.111.199.144🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSns1.cafe24.co.kr
A112.175.246.232🇰🇷 KT-NET112.168.0.0/13
PTRgjit.kr
PTRsnoweb.kr
PTRsinc2030.co.kr
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
MXmw-002.cafe24.com
A211.34.104.38🇰🇷 KT-NET211.34.104.0/24
PTRmw-002.cafe24.com
TXTv=spf1 ip4:183.111.199.144 ~all
SOAisr.krpostmaster@isr.kr serial=20241225

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=2607280850

NS for

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

NSisr.krns1.cafe24.co.krns1.cafe24.comns2.cafe24.co.krns2.cafe24.comMXmw-002.cafe24.comA183.111.199.144
NSisr.kr2026-04-28 → 2026-07-28 · 2 obs
● 2026-04-28 15:06:40
● 2026-07-28 09:21:24
NSns1.cafe24.co.kr2026-04-28 → 2026-07-28 · 2 obs
● 2026-04-28 15:06:40
● 2026-07-28 09:21:24
NSns1.cafe24.com2026-04-28 → 2026-07-28 · 2 obs
● 2026-04-28 15:06:40
● 2026-07-28 09:21:24
NSns2.cafe24.co.kr2026-04-28 → 2026-07-28 · 2 obs
● 2026-04-28 15:06:40
● 2026-07-28 09:21:24
NSns2.cafe24.com2026-04-28 → 2026-07-28 · 2 obs
● 2026-04-28 15:06:40
● 2026-07-28 09:21:24
MXmw-002.cafe24.com2026-04-28 → 2026-07-28 · 2 obs
● 2026-04-28 15:06:40
● 2026-07-28 09:21:24
A183.111.199.1442026-04-28 → 2026-07-28 · 2 obs
● 2026-04-28 15:06:40
● 2026-07-28 09:21:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krd.dns.kr, b.dns.kr, f.dns.kr, g.dns.kr...-
isr.krns1.cafe24.com, ns1.cafe24.co.kr, ns2.cafe24.com, ns2.cafe24.co.kr-

✅ Authoritative Response

Server:112.175.247.232

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isr.kr (unsigned zone)

⏱️ Timing

Total: 1855ms | Queries: -

📄 Records

TypeCountSample Data
A1183.111.199.144
NS4ns1.cafe24.com, ns1.cafe24.co.kr...
MX1mw-002.cafe24.com (pri: 10)
TXT1v=spf1 ip4:183.111.199.144 ~all
SOA1isr.kr postmaster.isr.kr

Analysis

Name Server Role

isr.kr is listed as a name server for isr.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 isr.kr.

IP Addresses

isr.kr has exactly one IP address — 183.111.199.144.

projectorworld.co.kr, ns.gabia.co.kr.apacinvestors.com, dongsungelec.kr plus two other host names have IP numbers in common with isr.kr.

Name Servers

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

There is at least partial name server overlap between isr.kr and other domains — dagaba.com, taeree.co.kr, beltonepro.com and two more among them.

These name servers regularly appear alongside ns2.cafe24.co.kr, ns.cafe24.com, ns0.cafe24.com and 4 other name servers in NS record sets.

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 four IP addresses — 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns1.cafe24.co.kr resolves to four IP addresses — 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr resolves to four IP addresses — 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:

isr.kr resolves to the IP address 183.111.199.144.

Mail Servers

isr.kr uses one mail server — mw-002.cafe24.com.

The mail server setup of isr.kr matches that of other domains such as scplatech.com, edgesoft.co.kr, cmctoday.co.kr and two others.

isr.kr and other domains — formecell.com for instance — share at least some mail servers.

mw-002.cafe24.com resolves to 211.34.104.38 and no other IP number.