`rndschool.com`

DNSSEC	⚠️ Not signed
A	75.2.85.42^{🇺🇸 Amazon75.2.80.0/20}
		PTR	`a4c6c51f8b10d0080.awsglobalaccelerator.com`
A	99.83.196.71^{🇺🇸 Amazon99.83.192.0/20}
NS	`ns1.hosting.co.kr` ⭐
		A	121.254.170.11^{🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary}
NS	`ns2.hosting.co.kr`
		A	43.201.141.93^{🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix}
			PTR	`ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com`
NS	`ns3.hosting.co.kr`
		A	121.254.170.12^{🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary}
NS	`ns4.hosting.co.kr`
		A	43.201.141.93^{🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix}
			PTR	`ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com`
SOA	`ns1.hosting.co.kr`admin@rndschool.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776016222

Previously MX for

rndschool.com

Same first word

rndschool.com

DNS History

11 records (6 active, 5 former)

○NSns.cafe24.com2008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 09:28:16
○ 2015-05-19 17:08:54
○ 2026-04-12 17:51:10

●NSns1.hosting.co.kr2015-05-19 → 2026-04-12 · 3 obs

○ 2008-03-11 09:28:16
● 2015-05-19 17:08:54
● 2026-04-12 17:51:10

○NSns2.cafe24.com2008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 09:28:16
○ 2015-05-19 17:08:54
○ 2026-04-12 17:51:10

●NSns2.hosting.co.kr2015-05-19 → 2026-04-12 · 3 obs

○ 2008-03-11 09:28:16
● 2015-05-19 17:08:54
● 2026-04-12 17:51:10

●NSns3.hosting.co.kr2026-03-09 → 2026-04-12 · 3 obs

○ 2015-05-19 17:08:54
● 2026-03-09 01:01:30
● 2026-04-12 17:51:10

●NSns4.hosting.co.kr2026-03-09 → 2026-04-12 · 3 obs

○ 2015-05-19 17:08:54
● 2026-03-09 01:01:30
● 2026-04-12 17:51:10

○MXrndschool.com2008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 09:28:16
○ 2015-05-19 17:08:54
○ 2026-04-12 17:51:10

○A211.234.63.2322015-05-19 → 2020-03-27 · 5 obs

○ 2008-03-11 09:28:16
● 2015-05-19 17:08:54
● 2020-03-27 05:42:32
○ 2026-03-09 01:01:30
○ 2026-04-12 17:51:10

○A211.34.104.842008-03-11 → 2008-03-11 · 3 obs

● 2008-03-11 09:28:16
○ 2015-05-19 17:08:54
○ 2026-04-12 17:51:10

●A75.2.85.422026-03-09 → 2026-04-12 · 3 obs

○ 2020-03-27 05:42:32
● 2026-03-09 01:01:30
● 2026-04-12 17:51:10

●A99.83.196.712026-03-09 → 2026-04-12 · 3 obs

○ 2020-03-27 05:42:32
● 2026-03-09 01:01:30
● 2026-04-12 17:51:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
rndschool.com	ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr	-

✅ Authoritative Response

Server:43.201.141.93

NS records: ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rndschool.com (unsigned zone)

⏱️ Timing

Total: 1089ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`75.2.85.42, 99.83.196.71`
NS	4	`ns4.hosting.co.kr, ns1.hosting.co.kr...`
SOA	1	`ns1.hosting.co.kr admin.rndschool.com`

Analysis

IP Addresses

rndschool.com points to two IP numbers: 75.2.85.42 and 99.83.196.71.

Other host names such as nvr.kr, jangm.kr, 520.kr, coinplus.kr and daolasset.com share IPs with rndschool.com.

Name Servers

rndschool.com is delegated to four name servers: ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr.

rndschool.com at least partially shares name servers with other domains, for example webhard.com, gersigi.com, abilit.com, liveclass.tv and goldenbug.me.