smarttechkorea.com - robtex.com

smarttechkorea.com

DNSSEC⚠️ Not signed
A3.171.100.32🇺🇸 Amazon3.171.100.0/22
PTRserver-3-171-100-32.iad12.r.cloudfront.net
A3.171.100.51🇺🇸 Amazon3.171.100.0/22
A3.171.100.64🇺🇸 Amazon3.171.100.0/22
A3.171.100.66🇺🇸 Amazon3.171.100.0/22
NSans1.hostcocoa.com ⭐
A205.251.192.117🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-117.awsdns-14.com
NSans2.hostcocoa.com
A205.251.195.46🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-814.awsdns-37.net
NSans3.hostcocoa.com
A205.251.197.133🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1413.awsdns-48.org
NSans4.hostcocoa.com
A205.251.198.221🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1757.awsdns-27.co.uk
MXsmarttechkorea-com.mail.protection.outlook.com ⭐
A2a01:111:f403:cc35::🇰🇷 Microsoft2a01:111:f000::/36
PTRmail-slxp216cu00200.inbound.protection.outlook.com
A2a01:111:f403:cc35::1🇰🇷 Microsoft2a01:111:f000::/36
PTRmail-sevp216cu00101.inbound.protection.outlook.com
A2a01:111:f403:cc35::2🇰🇷 Microsoft2a01:111:f000::/36
PTRmail-se2p216cu00602.inbound.protection.outlook.com
A2a01:111:f403:cc37::🇰🇷 Microsoft2a01:111:f000::/36
PTRmail-puwp216cu00200.inbound.protection.outlook.com
A52.101.153.0🇰🇷 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-slxp216cu00200.inbound.protection.outlook.com
A52.101.153.1🇰🇷 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sevp216cu00101.inbound.protection.outlook.com
A52.101.153.2🇰🇷 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-se2p216cu00602.inbound.protection.outlook.com
A52.101.155.0🇰🇷 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-puwp216cu00200.inbound.protection.outlook.com
TXTMS=ms92459094
TXTgoogle-site-verification=EBzsrL5ch41rOcIJMkJ8pmOojVXBal3qayZsITG6Ab0
TXTv=spf1 include:_spfblocka.bizboxa.com ~all include:spf.protection.outlook.com...
SOAans1.hostcocoa.comawsdns-hostmaster@amazon.com serial=1

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=1771291435

Previously NS for

smarttechkorea.com

Same first word

smarttechkorea.com

DNS History

21 records (9 active, 12 former)

201820192020202120222023202420252026NSans1.hostcocoa.comans2.hostcocoa.comans3.hostcocoa.comans4.hostcocoa.comns1.cafe24.co.krns1.cafe24.comns2.cafe24.co.krns2.cafe24.comsmarttechkorea.comMXsmarttechkorea-com.mail.protection.outlook.comalt.aspmx.daum.netaspmx.daum.netA3.171.100.323.171.100.513.171.100.643.171.100.6613.32.230.12513.32.230.2313.32.230.3613.32.230.77183.111.174.48
●NSans1.hostcocoa.com2026-03-03 → 2026-03-03 · 3 obs
○ 2017-09-28 02:57:52
● 2026-03-03 20:57:02
● 2026-03-03 23:22:54
●NSans2.hostcocoa.com2026-03-03 → 2026-03-03 · 3 obs
○ 2017-09-28 02:57:52
● 2026-03-03 20:57:02
● 2026-03-03 23:22:54
●NSans3.hostcocoa.com2026-03-03 → 2026-03-03 · 3 obs
○ 2017-09-28 02:57:52
● 2026-03-03 20:57:02
● 2026-03-03 23:22:54
●NSans4.hostcocoa.com2026-03-03 → 2026-03-03 · 3 obs
○ 2017-09-28 02:57:52
● 2026-03-03 20:57:02
● 2026-03-03 23:22:54
○NSns1.cafe24.co.kr2017-09-28 → 2017-09-28 · 3 obs
● 2017-09-28 02:57:52
○ 2026-03-03 20:57:02
○ 2026-03-03 23:22:54
○NSns1.cafe24.com2017-09-28 → 2017-09-28 · 3 obs
● 2017-09-28 02:57:52
○ 2026-03-03 20:57:02
○ 2026-03-03 23:22:54
○NSns2.cafe24.co.kr2017-09-28 → 2017-09-28 · 3 obs
● 2017-09-28 02:57:52
○ 2026-03-03 20:57:02
○ 2026-03-03 23:22:54
○NSns2.cafe24.com2017-09-28 → 2017-09-28 · 3 obs
● 2017-09-28 02:57:52
○ 2026-03-03 20:57:02
○ 2026-03-03 23:22:54
○NSsmarttechkorea.com2017-09-28 → 2017-09-28 · 3 obs
● 2017-09-28 02:57:52
○ 2026-03-03 20:57:02
○ 2026-03-03 23:22:54
○MXalt.aspmx.daum.net2017-09-28 → 2017-09-28 · 3 obs
● 2017-09-28 02:57:52
○ 2026-03-03 20:57:02
○ 2026-03-03 23:22:54
○MXaspmx.daum.net2017-09-28 → 2017-09-28 · 3 obs
● 2017-09-28 02:57:52
○ 2026-03-03 20:57:02
○ 2026-03-03 23:22:54
●MXsmarttechkorea-com.mail.protection.outlook.com2026-03-03 → 2026-03-03 · 3 obs
○ 2017-09-28 02:57:52
● 2026-03-03 20:57:02
● 2026-03-03 23:22:54
○A13.32.230.1252026-03-03 → 2026-03-03 · 4 obs
○ 2026-03-03 20:57:02
● 2026-03-03 21:35:14
○ 2026-03-03 23:22:52
○ 2026-03-03 23:22:54
○A13.32.230.232026-03-03 → 2026-03-03 · 4 obs
○ 2026-03-03 20:57:02
● 2026-03-03 21:35:14
○ 2026-03-03 23:22:52
○ 2026-03-03 23:22:54
○A13.32.230.362026-03-03 → 2026-03-03 · 4 obs
○ 2026-03-03 20:57:02
● 2026-03-03 21:35:14
○ 2026-03-03 23:22:52
○ 2026-03-03 23:22:54
○A13.32.230.772026-03-03 → 2026-03-03 · 4 obs
○ 2026-03-03 20:57:02
● 2026-03-03 21:35:14
○ 2026-03-03 23:22:52
○ 2026-03-03 23:22:54
○A183.111.174.482017-09-28 → 2017-09-28 · 3 obs
● 2017-09-28 02:57:52
○ 2026-03-03 20:57:02
○ 2026-03-03 23:22:54
●A3.171.100.322026-03-03 → 2026-03-03 · 5 obs
○ 2017-09-28 02:57:52
● 2026-03-03 20:57:02
○ 2026-03-03 21:35:14
● 2026-03-03 23:22:52
● 2026-03-03 23:22:54
●A3.171.100.512026-03-03 → 2026-03-03 · 5 obs
○ 2017-09-28 02:57:52
● 2026-03-03 20:57:02
○ 2026-03-03 21:35:14
● 2026-03-03 23:22:52
● 2026-03-03 23:22:54
●A3.171.100.642026-03-03 → 2026-03-03 · 5 obs
○ 2017-09-28 02:57:52
● 2026-03-03 20:57:02
○ 2026-03-03 21:35:14
● 2026-03-03 23:22:52
● 2026-03-03 23:22:54
●A3.171.100.662026-03-03 → 2026-03-03 · 5 obs
○ 2017-09-28 02:57:52
● 2026-03-03 20:57:02
○ 2026-03-03 21:35:14
● 2026-03-03 23:22:52
● 2026-03-03 23:22:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...-
smarttechkorea.comans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com, ans4.hostcocoa.com4 records

✅ Authoritative Response

Server: 205.251.198.221

NS records: ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com, ans4.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smarttechkorea.com (unsigned zone)

⏱️ Timing

Total: 363ms | Queries: -

📄 Records

TypeCountSample Data
A43.171.100.64, 3.171.100.32...
NS4ans1.hostcocoa.com, ans2.hostcocoa.com...
MX1smarttechkorea-com.mail.protection.outlo
TXT3MS=ms92459094, google-site-verification=EBzsrL5ch41rOcI...
SOA1ans1.hostcocoa.com awsdns-hostmaster.ama

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com...)

Analysis

IP Addresses

smarttechkorea.com maps to four IP numbers: 3.171.100.32, 3.171.100.51, 3.171.100.64 and 3.171.100.66.

Other host names such as static.unitednaturals.com, d326ylkgstke18.cloudfront.net, surveymonkey.co.uk, www.amys.co.uk and elevatetickets.com share IPs with smarttechkorea.com.

Name Servers

smarttechkorea.com is delegated to four name servers: ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com and ans4.hostcocoa.com.

smarttechkorea.com at least partially shares name servers with other domains, for example skyseed.org, elclight.com, nanopia.org, cstc-postech.org and heidemarie.co.kr.

Host names with one IP number:

ans1.hostcocoa.com points to: 205.251.192.117

ans2.hostcocoa.com points to: 205.251.195.46

ans3.hostcocoa.com points to: 205.251.197.133

ans4.hostcocoa.com points to: 205.251.198.221

Mail Servers

The smarttechkorea-com.mail.protection.outlook.com mail server handles smarttechkorea.com.

smarttechkorea-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc35::, 2a01:111:f403:cc35::1, 2a01:111:f403:cc35::2, 2a01:111:f403:cc37::, 52.101.153.0, 52.101.153.1, 52.101.153.2 and 52.101.155.0.