nakwon21.com - robtex.com
nakwon21.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.tmsae.com ⚠️ Not in zone NS records | ||||||
| A | 222.97.189.189🇰🇷 KT-NET222.96.0.0/13 | ||||||
| NS | ns3.dnszi.com ⚠️ Not in zone NS records | ||||||
| A | 121.78.251.20🇰🇷 KINXIDC-AS-KR121.78.224.0/19 KINX-Net | ||||||
| MX | gwmail.ktbizoffice.com ⭐ | ||||||
| A | 211.62.105.162🇰🇷 KT-NET211.62.64.0/18 Transfer to KT | ||||||
| PTR | gwsmtp2.ktbizoffice.com | ||||||
| PTR | gwspam2.ktbizoffice.com | ||||||
| A | 211.62.105.163🇰🇷 KT-NET211.62.64.0/18 Transfer to KT | ||||||
| PTR | gwspam3.ktbizoffice.com | ||||||
| A | 211.62.105.164🇰🇷 KT-NET211.62.64.0/18 Transfer to KT | ||||||
| PTR | gwspam4.ktbizoffice.com | ||||||
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=1776080677 | ||||||
Subdomains
mail.nakwon21.com |
Same first word
nakwon21.com |
DNS History
13 records (3 active, 10 former)
●NSns.tmsae.com2026-04-05 → 2026-04-13 · 3 obs
● 2026-04-05 11:36:40
● 2026-04-13 12:07:52
○NSns1.bizfree.kr2015-08-08 → 2017-08-21 · 5 obs
● 2015-08-08 15:37:30
● 2017-08-21 13:14:06
○ 2026-04-05 11:36:40
○ 2026-04-13 12:07:52
○NSns2.bizfree.kr2015-08-08 → 2017-08-21 · 5 obs
● 2015-08-08 15:37:30
● 2017-08-21 13:14:06
○ 2026-04-05 11:36:40
○ 2026-04-13 12:07:52
●NSns3.dnszi.com2026-04-05 → 2026-04-13 · 3 obs
● 2026-04-05 11:36:40
● 2026-04-13 12:07:52
○NSns7.tt.co.kr2008-03-17 → 2008-03-17 · 3 obs
○ 2015-08-08 15:37:30
○ 2026-04-13 12:07:52
○NSns7.ttpia.com2008-03-17 → 2008-03-17 · 3 obs
○ 2015-08-08 15:37:30
○ 2026-04-13 12:07:52
○MXalt.aspmx.daum.net2015-08-08 → 2016-08-30 · 5 obs
● 2015-08-08 15:37:30
● 2016-08-30 09:51:28
○ 2017-08-21 13:14:06
○ 2026-04-13 12:07:52
○MXaspmx.daum.net2015-08-08 → 2016-08-30 · 5 obs
● 2015-08-08 15:37:30
● 2016-08-30 09:51:28
○ 2017-08-21 13:14:06
○ 2026-04-13 12:07:52
●MXgwmail.ktbizoffice.com2026-04-05 → 2026-04-13 · 3 obs
● 2026-04-05 11:36:40
● 2026-04-13 12:07:52
○MXmail.nakwon21.com2017-08-21 → 2017-08-21 · 4 obs
● 2017-08-21 13:14:06
○ 2026-04-05 11:36:40
○ 2026-04-13 12:07:52
○A218.232.75.1422015-08-08 → 2016-08-30 · 5 obs
● 2015-08-08 15:37:30
● 2016-08-30 09:51:28
○ 2017-08-21 13:14:06
○ 2026-04-13 12:07:52
○A218.232.75.1472017-08-21 → 2017-08-21 · 4 obs
● 2017-08-21 13:14:06
○ 2026-04-05 11:36:40
○ 2026-04-13 12:07:52
○A222.97.189.1892026-04-05 → 2026-04-05 · 3 obs
● 2026-04-05 11:36:40
○ 2026-04-13 12:07:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net... | - |
| nakwon21.com | ns3.dnszi.com, ns.tmsae.com | 2 records |
✅ Authoritative Response
Server:121.78.251.20
NS records: ns3.dnszi.com, ns.tmsae.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nakwon21.com (unsigned zone)
⏱️ Timing
Total: 3482ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| SOA | 1 | ns.tmsae.com root.tmsae.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.dnszi.com, ns.tmsae.com)
Analysis
Hierarchy
nakwon21.com is the parent of mail.nakwon21.com.
Name Servers
nakwon21.com has two name servers: ns3.dnszi.com and ns.tmsae.com.
nakwon21.com shares the same name server setup as other domains, for example wechemmall.com, incbizplan.com, agwshop.kr, gnurc.or.kr and nakwontna.com.
nakwon21.com shares some name servers with other domains, for example 15881200.com, yplm.co.kr, babosam.net, yootopia.net and manix.co.kr.
These name servers are commonly used with ns18.dnszi.com, ns51.dnszi.com, ns74.dnszi.com, ns62.dnszi.com and ns.siteas.kr.
Host names with a single IP:
ns3.dnszi.com points to 121.78.251.20
ns.tmsae.com points to 222.97.189.189
Mail Servers
nakwon21.com is handled by a single mail server, gwmail.ktbizoffice.com.
nakwon21.com shares the mail server setup with other domains, for example ycpiano.com, koreapaper.bizmeka.com, kslm.org, moodeung.com and jcmj.co.kr.
nakwon21.com shares mail servers with other domains at least partially, for example e-uil.com, kgsrd.org, cubeone.net and geolim.co.kr.
Host name gwmail.ktbizoffice.com resolves to three IP numbers: 211.62.105.162, 211.62.105.163 and 211.62.105.164.