nkstudy.com - robtex.com
nkstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.245.24.11🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary | ||||||
| NS | nkstudy.com ⭐ | ||||||
| A | 203.245.24.11🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary | ||||||
| NS | ns.inckorea.net ⚠️ Not in zone NS records | ||||||
| A | 218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns2.inckorea.net ⚠️ Not in zone NS records | ||||||
| A | 218.145.65.144🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| MX | rmw-002.fmcity.com ⭐ | ||||||
| A | 211.34.104.37🇰🇷 KT-NET211.34.104.0/24 | ||||||
| PTR | rmw-002.fmcity.com | ||||||
| TXT | v=spf1 ip4:211.34.104.37 ~all | ||||||
| SOA | nkstudy.compostmaster@nkstudy.com serial=20200513 | ||||||
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.netnstld@verisign-grs.com serial=1781137818 | ||||||
NS for
nkstudy.com |
Subdomains
Same first word
nkstudy.com |
Similar names
DNS History
10 records (5 active, 5 former)
●NSnkstudy.com2026-03-08 → 2026-06-11 · 3 obs
● 2026-03-08 13:11:22
● 2026-06-11 00:44:04
●NSns.inckorea.net2026-03-08 → 2026-06-11 · 3 obs
● 2026-03-08 13:11:22
● 2026-06-11 00:44:04
●NSns2.inckorea.net2026-03-08 → 2026-06-11 · 3 obs
● 2026-03-08 13:11:22
● 2026-06-11 00:44:04
○NSns71.domaincontrol.com2015-06-23 → 2016-09-23 · 4 obs
● 2016-09-23 12:43:08
○ 2017-05-14 12:54:26
○ 2026-06-11 00:44:04
○NSns72.domaincontrol.com2015-06-23 → 2016-09-23 · 4 obs
● 2016-09-23 12:43:08
○ 2017-05-14 12:54:26
○ 2026-06-11 00:44:04
○MXmailstore1.secureserver.net2015-06-23 → 2016-09-23 · 4 obs
● 2016-09-23 12:43:08
○ 2017-05-14 12:54:26
○ 2026-06-11 00:44:04
●MXrmw-002.fmcity.com2026-03-08 → 2026-06-11 · 3 obs
● 2026-03-08 13:11:22
● 2026-06-11 00:44:04
○MXsmtp.secureserver.net2015-06-23 → 2016-09-23 · 4 obs
● 2016-09-23 12:43:08
○ 2017-05-14 12:54:26
○ 2026-06-11 00:44:04
●A203.245.24.112026-03-08 → 2026-06-11 · 3 obs
● 2026-03-08 13:11:22
● 2026-06-11 00:44:04
○A217.79.86.2062015-06-23 → 2016-04-11 · 4 obs
● 2016-04-11 21:16:22
○ 2017-05-14 12:54:26
○ 2026-06-11 00:44:04
🔍 DNS Trace
Analysis
Hierarchy
nkstudy.com is the parent domain of ns2.nkstudy.com, ns1.nkstudy.com, ns3.nkstudy.com and ns.nkstudy.com.
Name Server Role
nkstudy.com serves as a name server for itself — nkstudy.com is its own authoritative name server.
ns2.inckorea.net and ns.inckorea.net frequently appear as name servers alongside nkstudy.com.
IP Addresses
nkstudy.com points to a single IP number: 203.245.24.11.
Additional host names — ieikm.khu.ac.kr, kspan.or.kr, docy.co.kr and two others — share IP numbers with nkstudy.com.
Name Servers
Authority for nkstudy.com is delegated across three name servers: nkstudy.com, ns2.inckorea.net and ns.inckorea.net.
nkstudy.com shares at least some of its name servers with other domains, including seoanchemtec.com, usodmz.com, koreaaircon.net and two others.
These name servers are frequently seen alongside the name servers ns1.inckorea.net.
nkstudy.com points to 203.245.24.11; ns2.inckorea.net points to 218.145.65.144; ns.inckorea.net points to 218.145.65.143 — each hostname maps to exactly one IP address.
Mail Servers
nkstudy.com has one mail server: rmw-002.fmcity.com.
nkstudy.com shares the same mail server setup as other domains, including fncms.co.kr, xn--ob0b76ve5ghpk.com, lawnp.com and two others.
nkstudy.com shares at least some of its mail servers with other domains, such as youngdong.net.
rmw-002.fmcity.com carries a single IP number, which is 211.34.104.37.