coding.courses - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status

coding.courses

DNSSEC⚠️ Not signed
A211.34.104.153🇰🇷 KT-NET211.34.104.0/24
NScoding.courses
A211.34.104.153🇰🇷 KT-NET211.34.104.0/24
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
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
TXTyandex-verification: b4bf9d536aedd1ed
TXTgoogle-site-verification=qg96TUqviOQUUay-ovC8wQdQwO0PGQKD87XGhltpXZQ
TXTv=spf1 ip4:211.34.104.153 ~all
SOAcoding.coursespostmaster@coding.courses serial=20250516

courses

DNSSEC🔒 Signed (DS record present)
NSa.nic.courses
NSb.nic.courses
NSc.nic.courses
NSx.nic.courses
NSy.nic.courses
NSz.nic.courses
SOAa.nic.coursesadmin@tldns.godaddy serial=1789282602
⚠️ On DNS blocklist: spam-tlds

NS for

Same first word

Similar names

Previous names

Next names

DNS History

7 records (7 active, 0 former)

NScoding.coursesns1.cafe24.co.krns1.cafe24.comns2.cafe24.co.krns2.cafe24.comMXmw-002.cafe24.comA211.34.104.153
NScoding.courses2026-09-11 → 2026-09-13 · 2 obs
● 2026-09-11 20:09:40
● 2026-09-13 07:32:18
NSns1.cafe24.co.kr2026-09-11 → 2026-09-13 · 2 obs
● 2026-09-11 20:09:40
● 2026-09-13 07:32:18
NSns1.cafe24.com2026-09-11 → 2026-09-13 · 2 obs
● 2026-09-11 20:09:40
● 2026-09-13 07:32:18
NSns2.cafe24.co.kr2026-09-11 → 2026-09-13 · 2 obs
● 2026-09-11 20:09:40
● 2026-09-13 07:32:18
NSns2.cafe24.com2026-09-11 → 2026-09-13 · 2 obs
● 2026-09-11 20:09:40
● 2026-09-13 07:32:18
MXmw-002.cafe24.com2026-09-11 → 2026-09-13 · 2 obs
● 2026-09-11 20:09:40
● 2026-09-13 07:32:18
A211.34.104.1532026-09-11 → 2026-09-13 · 2 obs
● 2026-09-11 20:09:40
● 2026-09-13 07:32:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coursesa.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses...12 records
coding.coursesns2.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr, ns1.cafe24.com-

✅ Authoritative Response

Server:112.175.246.230

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coding.courses (unsigned zone)

⏱️ Timing

Total: 1566ms | Queries: -

📄 Records

TypeCountSample Data
A1211.34.104.153
NS4ns2.cafe24.com, ns1.cafe24.co.kr...
MX1mw-002.cafe24.com (pri: 10)
TXT3yandex-verification: b4bf9d536aedd1ed, google-site-verification=qg96TUqviOQUUay...
SOA1coding.courses postmaster.coding.courses

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.courses, a.nic.courses, b.nic.courses...)

Analysis

Name Server Role

coding.courses is listed as a name server for coding.courses — 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 coding.courses.

IP Addresses

coding.courses has exactly one IP address — 211.34.104.153.

noblegentle.com, spot-light.co.kr, ceramicinfo.net plus two other host names have IP numbers in common with coding.courses.

Name Servers

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

The name servers of coding.courses overlap at least partially with those of other domains — among them xn--289an1af8c5tuky3a.kr, joininternet.co.kr, nusu1.co.kr and two more.

These name servers commonly appear in delegations together with ns2.cafe24.co.kr, dns1.cafe24.com, dns2.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:

The hostname coding.courses resolves to 211.34.104.153.

Mail Servers

coding.courses uses one mail server — mw-002.cafe24.com.

The mail server setup of coding.courses matches that of other domains such as you2019.kr, kssda.or.kr, taewoongc.com and two others.

At least some of the mail servers used by coding.courses are shared with other domains: anteng.co.kr, neospec.kr, phychips.com and two others among them.

mw-002.cafe24.com carries a single IP number, which is 211.34.104.38.