kstudy.com - robtex.com

kstudy.com

DNSSEC⚠️ Not signed
A210.101.116.181🇰🇷 KT-NET210.101.64.0/18 KORnet operation Center(Korea Telecom)
NSns1.koreanstudies.net ⭐ ⚠️ Not in zone NS records
A210.101.116.2🇰🇷 KT-NET210.101.64.0/18 KORnet operation Center(Korea Telecom)
NSns.koreanstudies.net ⚠️ Not in zone NS records
A210.101.116.1🇰🇷 KT-NET210.101.64.0/18 KORnet operation Center(Korea Telecom)
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c08::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbi-in-f27.1e100.net
A172.253.63.26🇺🇸 Google172.253.63.0/24
PTRbi-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4001:c70::1b🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f27.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
TXTv=spf1 include:_spf.google.com include:119.205.221.167 ~all
TXTgoogle-site-verification=4UtVP0TjsKjadpJfbiVZRBOMywDd0HQwSfs9_zo6VN0
SOAns.koreanstudies.netadminns@koreanstudies.net serial=722

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778496626
rank #104558 globally
rank #45173 in the tld
📈 Tranco rank: #231,916

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)

20162017201820192020202120222023202420252026NSns.koreanstudies.netns1.koreanstudies.netg0ysv0u2phj00c0ns12ns3MXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commail.kstudy.comA210.101.116.181
○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
○ 2026-05-11 10:56:06
●NSns.koreanstudies.net2015-06-21 → 2026-05-11 · 2 obs
● 2015-06-21 22:00:38
● 2026-05-11 10:56:06
●NSns1.koreanstudies.net2015-06-21 → 2026-05-11 · 2 obs
● 2015-06-21 22:00:38
● 2026-05-11 10:56:06
○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
○ 2026-05-11 10:56:06
○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
○ 2026-05-11 10:56:06
●MXalt1.aspmx.l.google.com2026-03-11 → 2026-05-11 · 3 obs
○ 2017-02-17 01:12:50
● 2026-03-11 00:13:20
● 2026-05-11 10:56:06
●MXalt2.aspmx.l.google.com2026-03-11 → 2026-05-11 · 3 obs
○ 2017-02-17 01:12:50
● 2026-03-11 00:13:20
● 2026-05-11 10:56:06
●MXalt3.aspmx.l.google.com2026-03-11 → 2026-05-11 · 3 obs
○ 2017-02-17 01:12:50
● 2026-03-11 00:13:20
● 2026-05-11 10:56:06
●MXalt4.aspmx.l.google.com2026-03-11 → 2026-05-11 · 3 obs
○ 2017-02-17 01:12:50
● 2026-03-11 00:13:20
● 2026-05-11 10:56:06
●MXaspmx.l.google.com2026-03-11 → 2026-05-11 · 3 obs
○ 2017-02-17 01:12:50
● 2026-03-11 00:13:20
● 2026-05-11 10:56:06
○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
○ 2026-05-11 10:56:06
●A210.101.116.1812015-06-21 → 2026-05-11 · 2 obs
● 2015-06-21 22:00:38
● 2026-05-11 10:56:06

🔍 DNS Trace

Analysis

Hierarchy

kstudy.com is the parent of ebook.kstudy.com and kiss.kstudy.com.

IP Addresses

kstudy.com resolves to a single IP: 210.101.116.181.

Other host names share IP numbers with kstudy.com; for instance koreanstudies.net.

Name Servers

kstudy.com has two name servers: ns1.koreanstudies.net and ns.koreanstudies.net.

kstudy.com shares the same name server setup as other domains, for example kavi.or.kr, stopbookb2b.com, papersearch.net, stopbook.com and booktory.com.

kstudy.com shares some name servers with other domains, for example klra21.org, geta.kr, ellak.or.kr, hanguksoseol.org and ikps.or.kr.

These name servers are commonly used alongside g0ysv0u2phj00c0, ns12, dhfjgjj3 and d8hfz8k3.

Host names with a single IP:

ns1.koreanstudies.net points to 210.101.116.2

ns.koreanstudies.net points to 210.101.116.1

Mail Servers

kstudy.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

kstudy.com shares some mail servers with other domains, at least partially; for instance energy-env-tech.org, ns500734.ns500734.ns500734.ns500693.ns500699.ns500734.ns500693.ns500734.ns500699.ns500683.ns500588.ns500699.ns500693.ns500693.ns500602.dtrkdll.com, geminimax.com, ns500754.ns500731.ns500731.ns500731.ns500671.ns500671.ns500671.ns500649.ns500291.ns500291.ns500291.ns500131.lustychickser.com and ns500698.ns500698.ns500759.ns500759.ns500735.ns500698.ns500735.ns500736.ns500698.ns500576.ns500686.ns500576.ns500652.trackreceptor.com.

these mail servers are often used together with the mail servers aspmx3.googlemail.com, aspmx2.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IPs:

Host aspmx.l.google.com has IPs 2607:f8b0:4004:c08::1b and 172.253.63.26.

Host alt1.aspmx.l.google.com has IPs 2800:3f0:4003:c0f::1b and 108.177.123.27.

Host alt2.aspmx.l.google.com has IPs 2607:f8b0:4023:3003::1a and 172.253.145.27.

Host alt3.aspmx.l.google.com has IPs 2a00:1450:4009:c0f::1a and 192.178.223.26.

Host alt4.aspmx.l.google.com has IPs 2607:f8b0:4001:c70::1b and 192.178.209.26.