cotstech.com - dns.ninja

cotstech.com

DNSSEC⚠️ Not signed
A211.43.203.11🇰🇷 DACOM-NET211.43.192.0/19 PACNET (proxy-registered route object)
NSns.gabia.co.kr.cotstech.com ⭐
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
NSns1.gabia.co.kr
A20.200.205.248🇰🇷 Microsoft20.192.0.0/10
MXwblock.cotstech.com ⭐
A211.60.194.157🇰🇷 DACOM-NET211.60.0.0/16 contact noc@bora.net if necessary
PTRwblock.cotstech.com
TXTv=spf1 ip4:211.60.194.157 ip4:211.60.194.156 ~all
SOAns.gabia.co.kr.cotstech.comhosting@gabia.com serial=1709606165

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=1784946177

Previously NS for

cotstech.com

Subdomains

wblock.cotstech.com
www.cotstech.com

Same first word

cotstech.com

Similar names

scottech.net.au
tstechco.com
chescott.com
toschtec.com
scottech.net
testchoc.eu
tscotech.com
tecchost.com
thetoccs.com.br

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSns.gabia.co.krns.gabia.co.kr.cotstech.comns.gabia.netns1.gabia.co.krcotstech.comns.cotstech.comns1.cotstech.comns2.cotstech.comns3.cotstech.comMXwblock.cotstech.commailapp.hiworks.co.krA211.43.203.11112.175.85.238121.254.168.41
○NScotstech.com2016-12-30 → 2017-11-19 · 5 obs
○ 2016-04-29 21:17:22
● 2016-12-30 21:14:58
● 2017-11-19 11:38:26
○ 2026-03-12 01:07:14
○ 2026-07-25 02:24:14
○NSns.cotstech.com2016-12-30 → 2017-11-19 · 5 obs
○ 2016-04-29 21:17:22
● 2016-12-30 21:14:58
● 2017-11-19 11:38:26
○ 2026-03-12 01:07:14
○ 2026-07-25 02:24:14
●NSns.gabia.co.kr2015-07-13 → 2026-07-25 · 6 obs
● 2015-07-13 06:03:02
● 2016-04-29 21:17:22
○ 2016-12-30 21:14:58
○ 2017-11-19 11:38:26
● 2026-03-12 01:07:14
● 2026-07-25 02:24:14
●NSns.gabia.co.kr.cotstech.com2026-03-12 → 2026-07-25 · 3 obs
○ 2017-11-19 11:38:26
● 2026-03-12 01:07:14
● 2026-07-25 02:24:14
●NSns.gabia.net2015-07-13 → 2026-07-25 · 6 obs
● 2015-07-13 06:03:02
● 2016-04-29 21:17:22
○ 2016-12-30 21:14:58
○ 2017-11-19 11:38:26
● 2026-03-12 01:07:14
● 2026-07-25 02:24:14
○NSns1.cotstech.com2016-12-30 → 2017-11-19 · 5 obs
○ 2016-04-29 21:17:22
● 2016-12-30 21:14:58
● 2017-11-19 11:38:26
○ 2026-03-12 01:07:14
○ 2026-07-25 02:24:14
●NSns1.gabia.co.kr2015-07-13 → 2026-07-25 · 6 obs
● 2015-07-13 06:03:02
● 2016-04-29 21:17:22
○ 2016-12-30 21:14:58
○ 2017-11-19 11:38:26
● 2026-03-12 01:07:14
● 2026-07-25 02:24:14
○NSns2.cotstech.com2016-12-30 → 2017-11-19 · 5 obs
○ 2016-04-29 21:17:22
● 2016-12-30 21:14:58
● 2017-11-19 11:38:26
○ 2026-03-12 01:07:14
○ 2026-07-25 02:24:14
○NSns3.cotstech.com2016-12-30 → 2017-11-19 · 5 obs
○ 2016-04-29 21:17:22
● 2016-12-30 21:14:58
● 2017-11-19 11:38:26
○ 2026-03-12 01:07:14
○ 2026-07-25 02:24:14
○MXmailapp.hiworks.co.kr2015-07-13 → 2017-11-19 · 4 obs
● 2015-07-13 06:03:02
● 2017-11-19 11:38:26
○ 2026-03-12 01:07:14
○ 2026-07-25 02:24:14
●MXwblock.cotstech.com2026-03-12 → 2026-07-25 · 3 obs
○ 2017-11-19 11:38:26
● 2026-03-12 01:07:14
● 2026-07-25 02:24:14
○A112.175.85.2382016-12-30 → 2017-11-19 · 5 obs
○ 2016-04-29 21:17:22
● 2016-12-30 21:14:58
● 2017-11-19 11:38:26
○ 2026-03-12 01:07:14
○ 2026-07-25 02:24:14
○A121.254.168.412015-07-13 → 2016-04-29 · 4 obs
● 2015-07-13 06:03:02
● 2016-04-29 21:17:22
○ 2016-12-30 21:14:58
○ 2026-07-25 02:24:14
●A211.43.203.112026-03-12 → 2026-07-25 · 3 obs
○ 2017-11-19 11:38:26
● 2026-03-12 01:07:14
● 2026-07-25 02:24:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net...-
cotstech.comns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net-

✅ Authoritative Response

Server:121.78.117.39

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cotstech.com (unsigned zone)

⏱️ Timing

Total: 1491ms | Queries: -

📄 Records

TypeCountSample Data
A1211.43.203.11
NS3ns.gabia.co.kr, ns1.gabia.co.kr...
MX1wblock.cotstech.com (pri: 10)
TXT1v=spf1 ip4:211.60.194.157 ip4:211.60.194
SOA1ns.gabia.co.kr.cotstech.com hosting.gabi

Analysis

Hierarchy

cotstech.com serves as the parent of wblock.cotstech.com and www.cotstech.com.

IP Addresses

cotstech.com has exactly one IP address — 211.43.203.11.

galerieerd.com, navyocs.kr, tenspoon.org plus two other host names have IP numbers in common with cotstech.com.

Name Servers

Four name servers handle the delegation for cotstech.com: ns.gabia.net, ns1.gabia.co.kr, ns.gabia.co.kr and ns.gabia.co.kr.cotstech.com.

cotstech.com has at least partial name server overlap with other domains, such as campus-u.com, jejuin.com, accsanbon.org and two others.

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

Host names pointing to two IP addresses:

ns.gabia.net has two IP addresses: 121.78.117.39 and 211.234.124.90.

Host names resolving to a single IP address:

ns1.gabia.co.kr directs to 20.200.205.248.

ns.gabia.co.kr directs to 43.201.170.100.

Mail Servers

cotstech.com uses one mail server — wblock.cotstech.com.

wblock.cotstech.com has exactly one IP number: 211.60.194.157.