`codingschool.info`

DNSSEC	⚠️ Not signed
A	180.67.206.123^{🇰🇷 SKB-NET180.67.0.0/16 auto-generated route object for 180.67.0.0/16}
NS	`codingschool.info` ⭐
		A	180.67.206.123^{🇰🇷 SKB-NET180.67.0.0/16 auto-generated route object for 180.67.0.0/16}
NS	`ns1.cafe24.co.kr`
		A	112.175.246.232^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`gjit.kr`
			PTR	`snoweb.kr`
			PTR	`sinc2030.co.kr`
		A	112.175.246.233^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.136^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.137^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns1.cafe24.com`
		A	112.175.246.230^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.246.231^{🇰🇷 KT-NET112.168.0.0/13}
		A	116.126.143.242^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
		A	175.125.93.134^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.135^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns2.cafe24.co.kr`
		A	112.175.247.232^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`snoweb.kr`
			PTR	`sarchi.co.kr`
		A	112.175.247.233^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.146^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.147^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns2.cafe24.com`
		A	1.226.85.4^{🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13}
		A	1.234.0.4^{🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13}
		A	112.175.11.4^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.12.4^{🇰🇷 KT-NET112.168.0.0/13}
MX	`uws64-173.cafe24.com` ⭐
		A	183.111.174.69^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
TXT	`v=spf1 ip4:183.111.161.162 ~all`
SOA	`codingschool.info`postmaster@codingschool.info serial=20180113

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1774776198

NS for

codingschool.info

Subdomains

www.codingschool.info

Same first word

codingschool.info

DNS History

14 records (7 active, 7 former)

●NScodingschool.info2019-12-31 → 2026-03-29 · 3 obs

○ 2017-03-13 16:56:46
● 2019-12-31 10:06:00
● 2026-03-29 09:41:16

○NSns.gabia.co.kr2016-07-08 → 2017-03-13 · 4 obs

● 2016-07-08 20:22:56
● 2017-03-13 16:56:46
○ 2019-12-31 10:06:00
○ 2026-03-29 09:41:16

○NSns.gabia.co.kr.codingschool.info2016-07-08 → 2017-03-13 · 4 obs

● 2016-07-08 20:22:56
● 2017-03-13 16:56:46
○ 2019-12-31 10:06:00
○ 2026-03-29 09:41:16

○NSns.gabia.net2016-07-08 → 2017-03-13 · 4 obs

● 2016-07-08 20:22:56
● 2017-03-13 16:56:46
○ 2019-12-31 10:06:00
○ 2026-03-29 09:41:16

●NSns1.cafe24.co.kr2019-12-31 → 2026-03-29 · 3 obs

○ 2017-03-13 16:56:46
● 2019-12-31 10:06:00
● 2026-03-29 09:41:16

●NSns1.cafe24.com2019-12-31 → 2026-03-29 · 3 obs

○ 2017-03-13 16:56:46
● 2019-12-31 10:06:00
● 2026-03-29 09:41:16

○NSns1.gabia.co.kr2016-07-08 → 2017-03-13 · 4 obs

● 2016-07-08 20:22:56
● 2017-03-13 16:56:46
○ 2019-12-31 10:06:00
○ 2026-03-29 09:41:16

●NSns2.cafe24.co.kr2019-12-31 → 2026-03-29 · 3 obs

○ 2017-03-13 16:56:46
● 2019-12-31 10:06:00
● 2026-03-29 09:41:16

●NSns2.cafe24.com2019-12-31 → 2026-03-29 · 3 obs

○ 2017-03-13 16:56:46
● 2019-12-31 10:06:00
● 2026-03-29 09:41:16

●MXuws64-173.cafe24.com2019-12-31 → 2026-03-29 · 2 obs

● 2019-12-31 10:06:00
● 2026-03-29 09:41:16

○A121.254.178.2522017-03-13 → 2017-03-13 · 4 obs

○ 2016-07-08 20:22:56
● 2017-03-13 16:56:46
○ 2019-12-31 10:06:00
○ 2026-03-29 09:41:16

○A121.254.178.2532016-07-08 → 2016-07-08 · 3 obs

● 2016-07-08 20:22:56
○ 2017-03-13 16:56:46
○ 2026-03-29 09:41:16

●A180.67.206.1232026-03-26 → 2026-03-29 · 3 obs

○ 2019-12-31 10:06:00
● 2026-03-26 07:36:38
● 2026-03-29 09:41:16

○A183.111.174.692019-12-31 → 2019-12-31 · 4 obs

○ 2017-03-13 16:56:46
● 2019-12-31 10:06:00
○ 2026-03-26 07:36:38
○ 2026-03-29 09:41:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
codingschool.info	ns1.cafe24.co.kr, ns1.cafe24.com, ns2.cafe24.co.kr, ns2.cafe24.com	-

✅ Authoritative Response

Server:175.125.93.146

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codingschool.info (unsigned zone)

⏱️ Timing

Total: 1254ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`180.67.206.123`
NS	4	`ns2.cafe24.com, ns2.cafe24.co.kr...`
MX	1	`uws64-173.cafe24.com (pri: 10)`
TXT	1	`v=spf1 ip4:183.111.161.162 ~all`
SOA	1	`codingschool.info postmaster.codingschoo`

Analysis

Hierarchy

The parent of www.codingschool.info is codingschool.info.

Name Server Role

codingschool.info serves as a name server for codingschool.info.

With codingschool.info, ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr are commonly used as name servers.

IP Addresses

codingschool.info points to an IP address: 180.67.206.123.

Other host names, for instance bookroom.kr, share IP numbers with codingschool.info.

Name Servers

codingschool.info is delegated to five name servers: codingschool.info, ns1.cafe24.com, ns2.cafe24.com, ns1.cafe24.co.kr and ns2.cafe24.co.kr.

codingschool.info at least partially shares name servers with other domains, for instance godangdo.co.kr, gugbo.com, saibnco.com, nanafd.com and moram.co.kr.

These name servers are commonly used with ns.cafe24.com, ns0.cafe24.com, dns1.cafe24.com, dns2.cafe24.com, dns1.cafe24.co.kr and dns2.cafe24.co.kr.

Host names with five IP numbers:

ns1.cafe24.com points to 112.175.246.230, 112.175.246.231, 116.126.143.242, 175.125.93.134 and 175.125.93.135.

Host names with four IP numbers:

ns2.cafe24.com points to 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4; ns1.cafe24.co.kr points to 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137; ns2.cafe24.co.kr points to 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Host names with one IP number:

codingschool.info points to 180.67.206.123.

Mail Servers

codingschool.info is handled by a single mail server, uws64-173.cafe24.com.

codingschool.info uses the same mail server setup as other domains, for instance iclickyou.com, cskfloor.com, coverstory365.com, rodem-house.kr and certicenter.net.

The host name uws64-173.cafe24.com points to IP 183.111.174.69.

codingschool.info - robtex.com