bmtech21.com - robtex.com

bmtech21.com

DNSSEC⚠️ Not signed
A203.251.81.78🇰🇷 KTCC-AS-KR203.251.81.64/27
NSns2.nskorea.com ⭐
A222.231.49.253🇰🇷 DACOM-NET222.231.0.0/18 contact noc@bora.net if necessary
NSns.nskorea.com
A222.231.2.253🇰🇷 DACOM-NET222.231.0.0/18 contact noc@bora.net if necessary
PTRns.nskorea.com
NSns3.nskorea.com
A222.231.3.253🇰🇷 DACOM-NET222.231.0.0/18 contact noc@bora.net if necessary
PTRns2.nskorea.com
MXaspmx.daum.net ⭐
A121.53.85.23🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao
MXalt.aspmx.daum.net(20)
A121.53.85.23🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao
TXTv=spf1 include:_spf.daum.net ~all
SOAns.nskorea.comserver@jungbo.net serial=2022000000

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=1783237771

Previously NS for

bmtech21.com
postmaster.bmtech21.com

Same first word

bmtech21.com

DNS History

18 records (6 active, 12 former)

20162017201820192020202120222023202420252026NSns.nskorea.comns2.nskorea.comns3.nskorea.combmtech21.comns.bmtech21.comns1.bmtech21.comns1.cafe24.co.krns1.cafe24.comns2.bmtech21.comns2.cafe24.co.krns2.cafe24.comns3.bmtech21.comMXalt.aspmx.daum.netaspmx.daum.netmail.bmtech21.comA203.251.81.78183.111.182.239220.73.161.53
○NSbmtech21.com2015-06-27 → 2017-12-28 · 4 obs
● 2015-06-27 23:54:08
● 2017-12-28 04:31:32
○ 2026-06-02 15:57:02
○ 2026-07-05 08:04:08
○NSns.bmtech21.com2015-06-27 → 2016-11-27 · 4 obs
● 2015-06-27 23:54:08
● 2016-11-27 11:31:28
○ 2017-12-28 04:31:32
○ 2026-07-05 08:04:08
●NSns.nskorea.com2026-06-02 → 2026-07-05 · 3 obs
○ 2017-12-28 04:31:32
● 2026-06-02 15:57:02
● 2026-07-05 08:04:08
○NSns1.bmtech21.com2015-06-27 → 2016-11-27 · 4 obs
● 2015-06-27 23:54:08
● 2016-11-27 11:31:28
○ 2017-12-28 04:31:32
○ 2026-07-05 08:04:08
○NSns1.cafe24.co.kr2017-12-28 → 2017-12-28 · 4 obs
○ 2016-11-27 11:31:28
● 2017-12-28 04:31:32
○ 2026-06-02 15:57:02
○ 2026-07-05 08:04:08
○NSns1.cafe24.com2017-12-28 → 2017-12-28 · 4 obs
○ 2016-11-27 11:31:28
● 2017-12-28 04:31:32
○ 2026-06-02 15:57:02
○ 2026-07-05 08:04:08
○NSns2.bmtech21.com2015-06-27 → 2016-11-27 · 4 obs
● 2015-06-27 23:54:08
● 2016-11-27 11:31:28
○ 2017-12-28 04:31:32
○ 2026-07-05 08:04:08
○NSns2.cafe24.co.kr2017-12-28 → 2017-12-28 · 4 obs
○ 2016-11-27 11:31:28
● 2017-12-28 04:31:32
○ 2026-06-02 15:57:02
○ 2026-07-05 08:04:08
○NSns2.cafe24.com2017-12-28 → 2017-12-28 · 4 obs
○ 2016-11-27 11:31:28
● 2017-12-28 04:31:32
○ 2026-06-02 15:57:02
○ 2026-07-05 08:04:08
●NSns2.nskorea.com2026-06-02 → 2026-07-05 · 3 obs
○ 2017-12-28 04:31:32
● 2026-06-02 15:57:02
● 2026-07-05 08:04:08
○NSns3.bmtech21.com2015-06-27 → 2016-11-27 · 4 obs
● 2015-06-27 23:54:08
● 2016-11-27 11:31:28
○ 2017-12-28 04:31:32
○ 2026-07-05 08:04:08
●NSns3.nskorea.com2026-06-02 → 2026-07-05 · 3 obs
○ 2017-12-28 04:31:32
● 2026-06-02 15:57:02
● 2026-07-05 08:04:08
●MXalt.aspmx.daum.net2026-06-02 → 2026-07-05 · 3 obs
○ 2017-12-28 04:31:32
● 2026-06-02 15:57:02
● 2026-07-05 08:04:08
●MXaspmx.daum.net2026-06-02 → 2026-07-05 · 3 obs
○ 2017-12-28 04:31:32
● 2026-06-02 15:57:02
● 2026-07-05 08:04:08
○MXmail.bmtech21.com2015-06-27 → 2017-12-28 · 4 obs
● 2015-06-27 23:54:08
● 2017-12-28 04:31:32
○ 2026-06-02 15:57:02
○ 2026-07-05 08:04:08
○A183.111.182.2392017-12-28 → 2017-12-28 · 4 obs
○ 2016-11-27 11:31:28
● 2017-12-28 04:31:32
○ 2026-06-02 15:57:02
○ 2026-07-05 08:04:08
●A203.251.81.782026-06-02 → 2026-07-05 · 3 obs
○ 2017-12-28 04:31:32
● 2026-06-02 15:57:02
● 2026-07-05 08:04:08
○A220.73.161.532015-06-27 → 2016-11-27 · 4 obs
● 2015-06-27 23:54:08
● 2016-11-27 11:31:28
○ 2017-12-28 04:31:32
○ 2026-07-05 08:04:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net...-
bmtech21.comns.nskorea.com, ns2.nskorea.com, ns3.nskorea.com3 records

✅ Authoritative Response

Server:222.231.3.253

NS records: ns.nskorea.com, ns2.nskorea.com, ns3.nskorea.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bmtech21.com (unsigned zone)

⏱️ Timing

Total: 846ms | Queries: -

📄 Records

TypeCountSample Data
A1203.251.81.78
NS3ns3.nskorea.com, ns2.nskorea.com...
MX2ASPMX.daum.net (pri: 10), ALT.ASPMX.daum.net (pri: 20)
TXT1v=spf1 include:_spf.daum.net ~all
SOA1ns.nskorea.com server.jungbo.net

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns.nskorea.com, ns2.nskorea.com, ns3.nskorea.com)

Analysis

IP Addresses

bmtech21.com directs to one IP number, which is 203.251.81.78.

Among the host names that share IP numbers with bmtech21.com are janggu.com, podorgo.com, domane.kr and two others.

Name Servers

bmtech21.com has three name servers — ns2.nskorea.com, ns3.nskorea.com and ns.nskorea.com.

At least some of bmtech21.com's name servers are shared with other domains, for example itlife.kr, b2m.co.kr, dasomi.net and two more.

Each of the three hostnames points to exactly one IP address: ns2.nskorea.com points to 222.231.49.253, ns3.nskorea.com points to 222.231.3.253 and ns.nskorea.com points to 222.231.2.253.

Mail Servers

The MX records for bmtech21.com point to two mail servers: aspmx.daum.net and alt.aspmx.daum.net.

bmtech21.com has the same mail server arrangement as a number of other domains, for example koreamanse.com, renosoft.kr, awakenews.co.kr and two more.

bmtech21.com shares at least some of its mail servers with other domains — for example labisco.com, cl3d.co.kr, ggag21.or.kr and two more.

aspmx.daum.net and alt.aspmx.daum.net each point to one IP address — 121.53.85.23.

The host names aspmx.daum.net and alt.aspmx.daum.net both resolve to 121.53.85.23 IP addresses.