kstudy.com - dns.ninja

`kstudy.com`

DNSSEC	⚠️ Not signed
A	210.101.116.181^{🇰🇷 KT-NET210.101.64.0/18 KORnet operation Center(Korea Telecom)}
NS	`ns1.koreanstudies.net` ⭐ ⚠️ Not in zone NS records
		A	210.101.116.2^{🇰🇷 KT-NET210.101.64.0/18 KORnet operation Center(Korea Telecom)}
NS	`ns.koreanstudies.net` ⚠️ Not in zone NS records
		A	210.101.116.1^{🇰🇷 KT-NET210.101.64.0/18 KORnet operation Center(Korea Telecom)}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f27.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=4UtVP0TjsKjadpJfbiVZRBOMywDd0HQwSfs9_zo6VN0`
TXT	`v=spf1 include:_spf.google.com include:119.205.221.167 ~all`
SOA	`ns.koreanstudies.net`adminns@koreanstudies.net serial=853

`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=1786089009

rank #94710 globally
rank #43861 in the tld
📈 Tranco rank: #220,321

Subdomains

ebook.kstudy.com

kiss.kstudy.com

Same first word

kstudy.com.tw

kstudy.edu.vn

kstudy.com

kstudy.net

kstudy.co.kr

Similar names

tdukys.com

studyk.com

yutskd.top

DNS History

12 records (8 active, 4 former)

○NSg0ysv0u2phj00c02017-02-17 → 2017-02-17 · 4 obs

○ 2016-12-02 14:17:24
● 2017-02-17 01:12:50
○ 2026-03-11 00:13:20
○ 2026-08-07 08:11:44

●NSns.koreanstudies.net2015-06-21 → 2026-08-07 · 2 obs

● 2015-06-21 22:00:38
● 2026-08-07 08:11:44

●NSns1.koreanstudies.net2015-06-21 → 2026-08-07 · 2 obs

● 2015-06-21 22:00:38
● 2026-08-07 08:11:44

○NSns122015-11-13 → 2016-12-02 · 7 obs

○ 2015-06-21 22:00:38
● 2015-11-13 20:52:08
○ 2016-02-04 10:24:38
○ 2016-04-23 16:28:02
● 2016-12-02 14:17:24
○ 2017-02-17 01:12:50
○ 2026-08-07 08:11:44

○NSns32015-06-21 → 2016-04-23 · 6 obs

● 2015-06-21 22:00:38
○ 2015-11-13 20:52:08
● 2016-02-04 10:24:38
● 2016-04-23 16:28:02
○ 2016-12-02 14:17:24
○ 2026-08-07 08:11:44

●MXalt1.aspmx.l.google.com2026-03-11 → 2026-08-07 · 3 obs

○ 2017-02-17 01:12:50
● 2026-03-11 00:13:20
● 2026-08-07 08:11:44

●MXalt2.aspmx.l.google.com2026-03-11 → 2026-08-07 · 3 obs

○ 2017-02-17 01:12:50
● 2026-03-11 00:13:20
● 2026-08-07 08:11:44

●MXalt3.aspmx.l.google.com2026-03-11 → 2026-08-07 · 3 obs

○ 2017-02-17 01:12:50
● 2026-03-11 00:13:20
● 2026-08-07 08:11:44

●MXalt4.aspmx.l.google.com2026-03-11 → 2026-08-07 · 3 obs

○ 2017-02-17 01:12:50
● 2026-03-11 00:13:20
● 2026-08-07 08:11:44

●MXaspmx.l.google.com2026-03-11 → 2026-08-07 · 3 obs

○ 2017-02-17 01:12:50
● 2026-03-11 00:13:20
● 2026-08-07 08:11:44

○MXmail.kstudy.com2015-06-21 → 2017-02-17 · 4 obs

● 2015-06-21 22:00:38
● 2017-02-17 01:12:50
○ 2026-03-11 00:13:20
○ 2026-08-07 08:11:44

●A210.101.116.1812015-06-21 → 2026-08-07 · 2 obs

● 2015-06-21 22:00:38
● 2026-08-07 08:11:44

🔍 DNS Trace

Analysis

Hierarchy

kstudy.com serves as the parent of ebook.kstudy.com and kiss.kstudy.com.

IP Addresses

kstudy.com has exactly one IP address — 210.101.116.181.

koreanstudies.net and www.koreanstudies.net are among other host names that share IP numbers with kstudy.com.

Name Servers

kstudy.com is delegated to two name servers: ns1.koreanstudies.net and ns.koreanstudies.net.

The name server configuration of kstudy.com is shared with other domains, for instance kavi.or.kr, stopbookb2b.com, kmsk.or.kr and two others.

The name servers of kstudy.com overlap at least partially with those of other domains — among them klra21.org, geta.kr, ellak.or.kr and two more.

These name servers commonly co-occur with the name servers g0ysv0u2phj00c0, ns12, dhfjgjj3 and d8hfz8k3.

Both ns1.koreanstudies.net and ns.koreanstudies.net have a single IP address each — ns1.koreanstudies.net resolves to 210.101.116.2 while ns.koreanstudies.net resolves to 210.101.116.1.

Mail Servers

kstudy.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by kstudy.com are shared with other domains: energy-env-tech.org, ns500734.ns500734.ns500734.ns500693.ns500699.ns500734.ns500693.ns500734.ns500699.ns500683.ns500588.ns500699.ns500693.ns500693.ns500602.dtrkdll.com, geminimax.com and two others among them.

These mail servers are often deployed together with alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx3.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com points to 173.194.45.26 and 2607:f8b0:4004:c07::1b.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.26 and 2a00:1450:400c:c23::1b.