nextstudy.net - dns.ninja

nextstudy.net

DNSSEC⚠️ Not signed
A220.73.215.200🇰🇷 KT-NET220.72.0.0/13 KORnet Powered BY Korea Telecom
NSns1.gabia.co.kr ⭐
A20.200.205.248🇰🇷 Microsoft20.192.0.0/10
NSns.gabia.co.kr
A43.201.170.100🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix
PTRec2-43-201-170-100.ap-northeast-2.compute.amazonaws.com
NSns.gabia.net
A121.78.117.39🇰🇷 GABIA-AS-KR121.78.117.0/24 Transit customer route announce
PTRns1.gabia.co.kr
A211.234.124.90🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary
MXmail.bizboxa.com ⭐
A211.34.213.8🇰🇷 DUZONBIZON-AS-KR211.34.213.0/24 AS55615
PTRmail1.bizboxa.com
PTRmail.bizboxa.com
TXTv=spf1 ip4:220.73.215.221 ip4:220.73.215.222 include:_spfblocka.bizboxa.com ~all
TXTworksmobile.certification.pkpvxy7ingzrisha1k.xov5i45zyynybt.thv4jexgr
TXTgoogle-site-verification=HhYiBnAeODOeJB4zW2pQb-zinu2h7IW-BRT9I1wMnYU
SOAns.gabia.co.krhosting@gabia.com 2025-08-08 #9

net

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=1786600434

Subdomains

mail.nextstudy.net
spam.nextstudy.net

Same first word

nextstudy.net
nextstudy.org

Similar names

studynext.in
studynext.ru

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NSns.gabia.co.krns.gabia.netns1.gabia.co.krns1.sedoparking.comns2.sedoparking.comMXmail.bizboxa.comlocalhostmail.b-io.comail.nickstel.comA220.73.215.20072.52.4.12272.52.4.91
●NSns.gabia.co.kr2026-04-29 → 2026-08-13 · 3 obs
○ 2017-08-19 20:52:56
● 2026-04-29 11:36:24
● 2026-08-13 06:07:12
●NSns.gabia.net2026-04-29 → 2026-08-13 · 3 obs
○ 2017-08-19 20:52:56
● 2026-04-29 11:36:24
● 2026-08-13 06:07:12
●NSns1.gabia.co.kr2026-04-29 → 2026-08-13 · 3 obs
○ 2017-08-19 20:52:56
● 2026-04-29 11:36:24
● 2026-08-13 06:07:12
○NSns1.sedoparking.com2015-05-08 → 2017-08-19 · 4 obs
● 2015-05-08 08:45:06
● 2017-08-19 20:52:56
○ 2026-04-29 11:36:24
○ 2026-08-13 06:07:12
○NSns2.sedoparking.com2015-05-08 → 2017-08-19 · 4 obs
● 2015-05-08 08:45:06
● 2017-08-19 20:52:56
○ 2026-04-29 11:36:24
○ 2026-08-13 06:07:12
○MXlocalhost2016-12-06 → 2017-08-19 · 5 obs
○ 2016-04-18 06:16:58
● 2016-12-06 03:48:32
● 2017-08-19 20:52:56
○ 2026-04-29 11:36:24
○ 2026-08-13 06:07:12
○MXmail.b-io.co2015-05-08 → 2015-05-08 · 3 obs
● 2015-05-08 08:45:06
○ 2015-10-23 05:10:46
○ 2026-08-13 06:07:12
●MXmail.bizboxa.com2026-04-29 → 2026-08-13 · 3 obs
○ 2017-08-19 20:52:56
● 2026-04-29 11:36:24
● 2026-08-13 06:07:12
○MXmail.nickstel.com2015-10-23 → 2016-04-18 · 5 obs
○ 2015-05-08 08:45:06
● 2015-10-23 05:10:46
● 2016-04-18 06:16:58
○ 2016-12-06 03:48:32
○ 2026-08-13 06:07:12
●A220.73.215.2002026-04-29 → 2026-08-13 · 3 obs
○ 2017-08-19 20:52:56
● 2026-04-29 11:36:24
● 2026-08-13 06:07:12
○A72.52.4.1222017-08-19 → 2017-08-19 · 4 obs
○ 2016-12-06 03:48:32
● 2017-08-19 20:52:56
○ 2026-04-29 11:36:24
○ 2026-08-13 06:07:12
○A72.52.4.912015-05-08 → 2016-12-06 · 4 obs
● 2015-05-08 08:45:06
● 2016-12-06 03:48:32
○ 2017-08-19 20:52:56
○ 2026-08-13 06:07:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netm.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...-
nextstudy.netns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net2 records

✅ Authoritative Response

Server:43.201.170.100

NS records: ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nextstudy.net (unsigned zone)

⏱️ Timing

Total: 1574ms | Queries: -

📄 Records

TypeCountSample Data
A1220.73.215.200
NS3ns.gabia.co.kr, ns1.gabia.co.kr...
MX1mail.bizboxa.com (pri: 10)
TXT3v=spf1 ip4:220.73.215.221 ip4:220.73.215, worksmobile.certification.pkpvxy7ingzris...
SOA1ns.gabia.co.kr hosting.gabia.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.gabia.net, ns.gabia.net)

Analysis

Hierarchy

The parent domain of mail.nextstudy.net and spam.nextstudy.net is nextstudy.net.

IP Addresses

nextstudy.net directs to one IP number, which is 220.73.215.200.

Additional host names — including lab.megagong.net and sobang.megagong.net — share IP numbers with nextstudy.net.

Name Servers

Three name servers are authoritative for nextstudy.net: ns.gabia.net, ns1.gabia.co.kr and ns.gabia.co.kr.

nextstudy.net has at least partial name server overlap with other domains, such as sangift.co.kr, liposomevitaminc.com, authentication-viewitech.com and two others.

It is common to find these name servers paired with the name servers ns1.gabia.net.

Hosts with two IP numbers each:

ns.gabia.net maps to two IP addresses — 121.78.117.39 and 211.234.124.90.

Hosts that resolve to one IP address:

ns1.gabia.co.kr points to the IP address 20.200.205.248.

ns.gabia.co.kr points to the IP address 43.201.170.100.

Mail Servers

nextstudy.net routes its mail through a single mail server, mail.bizboxa.com.

nextstudy.net has the same mail server arrangement as a number of other domains, for example kapid.org, silicook.co.kr, wfac.or.kr and two more.

nextstudy.net shares at least some of its mail servers with other domains — for example kosteel.co.kr, yumsem.com, kpaa.or.kr and two more.

There is one IP number for mail.bizboxa.com: 211.34.213.8.