`appschool.kr`

DNSSEC	⚠️ Not signed
A	210.114.225.20^{🇰🇷 NCOM-AS-KR210.114.225.0/24 SejongTelecom.co.ltd}
		PTR	`mail.tooni.kr`
NS	`appschool.kr` ⭐
		A	210.114.225.20^{🇰🇷 NCOM-AS-KR210.114.225.0/24 SejongTelecom.co.ltd}
			PTR	`mail.tooni.kr`
NS	`ns1.appschool.kr` ⚠️ Not in zone NS records
NS	`ns2.appschool.kr`
		A	210.114.225.20^{🇰🇷 NCOM-AS-KR210.114.225.0/24 SejongTelecom.co.ltd}
			PTR	`mail.tooni.kr`
SOA	`appschool.kr`ns2@appschool.kr serial=0

`kr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`g.dns.kr` ⭐
	NS	`b.dns.kr`
	NS	`c.dns.kr`
	NS	`d.dns.kr`
	NS	`e.dns.kr`
	NS	`f.dns.kr`
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2607200570

NS for

appschool.kr

Subdomains

ns2.appschool.kr

Same first word

appschool.s3.amazonaws.com

appschool.dk

appschool.ru

appschool.kr

appschool.it

appschool.com

appschool.co.il

appschool.amsterdam

appschool.in

appschool.de

Similar names

schoolapp.de

schoolapp.io

schoolapp.be

copalshop.com.mx

schoolapp.org

schoolapp.hk

schoolapp.at

DNS History

6 records (4 active, 2 former)

●NSappschool.kr2015-09-25 → 2026-07-20 · 2 obs

● 2015-09-25 11:14:28
● 2026-07-20 01:42:58

●NSns1.appschool.kr2026-02-20 → 2026-07-20 · 3 obs

○ 2015-09-25 11:14:28
● 2026-02-20 21:40:06
● 2026-07-20 01:42:58

●NSns2.appschool.kr2015-09-25 → 2026-07-20 · 2 obs

● 2015-09-25 11:14:28
● 2026-07-20 01:42:58

○MXmail.appschool.kr2016-01-31 → 2017-04-05 · 4 obs

● 2016-01-31 09:07:18
● 2017-04-05 02:38:00
○ 2020-04-01 07:56:46
○ 2026-07-20 01:42:58

●A210.114.225.202017-04-05 → 2026-07-20 · 3 obs

○ 2016-09-10 19:03:10
● 2017-04-05 02:38:00
● 2026-07-20 01:42:58

○A61.111.166.142015-09-25 → 2016-09-10 · 4 obs

● 2015-09-25 11:14:28
● 2016-09-10 19:03:10
○ 2017-04-05 02:38:00
○ 2026-07-20 01:42:58

🔍 DNS Trace

Analysis

Hierarchy

ns2.appschool.kr is a subdomain of appschool.kr.

Name Server Role

appschool.kr acts as a name server for appschool.kr, meaning it is self-referentially delegated.

ns1.appschool.kr, ns2.appschool.kr and appschool.kr are commonly seen together as name servers.

IP Addresses

appschool.kr resolves to one IP address: 210.114.225.20.

There are other host names — ns2.appschool.kr among them — that share IP numbers with appschool.kr.

Name Servers

appschool.kr has three authoritative name servers: appschool.kr, ns1.appschool.kr and ns2.appschool.kr.

Both appschool.kr and ns2.appschool.kr have a single IP address, 210.114.225.20, and share it.

Host names pointing to 210.114.225.20 IP addresses: appschool.kr and ns2.appschool.kr.

appschool.kr - robtex.com

appschool.kr

kr