nctech.com.tw - robtex.com

nctech.com.tw

DNSSEC⚠️ Not signed
A211.21.6.130🇹🇼 HiNet211.21.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbc6.dnsonic.com
A216.239.34.21🇺🇸 Google216.239.34.0/24
A216.239.36.21🇺🇸 Google216.239.36.0/24
A216.239.38.21🇺🇸 Google216.239.38.0/24
NSns9.dnsonic.com ⭐ ⚠️ Not in parent delegation
A211.21.6.130🇹🇼 HiNet211.21.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbc6.dnsonic.com
NSns10.dnsonic.com ⚠️ Not in parent delegation
A2001:b030:816a:ff74::1🇹🇼 HiNet2001:b030:8000::/36
PTR2001-b030-816a-ff74-0000-0000-0000-0001.hinet-ip6.hinet.net
A211.21.6.130🇹🇼 HiNet211.21.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbc6.dnsonic.com
NSns7.dnsonic.com ⚠️ Not in zone NS records
A211.21.6.130🇹🇼 HiNet211.21.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbc6.dnsonic.com
NSns8.dnsonic.com ⚠️ Not in zone NS records
A211.21.6.130🇹🇼 HiNet211.21.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRbc6.dnsonic.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c23::1a🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadrs-in-f26.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.26🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f26.1e100.net
TXTv=spf1 ip4:211.21.6.130 +a +mx +ip4:211.23.95.247 +ip4:211.23.95.245 +ip4:60....
SOAns9.dnsonic.comsten@nctech.com.tw 2026-06-28 #4

com.tw

DNSSEC🔒 Signed (DS record present)
NSa.twnic.net.tw ⭐
NSanytld.apnic.net
NSb.twnic.net.tw
NSc.twnic.net.tw
NSd.twnic.net.tw
NSe.twnic.net.tw
NSf.twnic.net.tw
NSg.twnic.net.tw
NSh.dns.tw
NSh.twnic.net.tw
SOAa.twnic.net.twsnw@twnic.net.tw serial=2006387949
WOT: SAFE (58/100)

Subdomains

dns1.nctech.com.tw
dns2.nctech.com.tw
ms8.nctech.com.tw

Same first word

nctech.cn
nctech.online
nctech.ru
nctech.jp
nctech.com.hk
nctech.com.mx
nctech.com.au
nctech.xyz
nctech.com.tw
nctech.ca
nctech.org
nctech.fr
nctech.co
nctech.co.uk
nctech.net
nctech.de
nctech.com.my
nctech.in
nctech.us
nctech.com

Similar names

chcent.xyz
thencc.gov.za
cntech.com.cn
cntech.eu
theccn.com
cntech.info
chnect.com
chcnet.at
hnccte.com
chnetc.com
cntech.com.au
chcnet.eu
hncetc.com
ctchen.org
chcnet.de
cntech.us
thencc.at
thencc.org.uk
cchnet.it
hccnet.co.jp
cntech.com.br
thencc.email
cchnet.nl
techcn.com.cn
echtnc.com
cntech.org
cntech.pl
nthecc.org
cntech.net
nthecc.com
cntech.in
hccnet.ch
centch.com
ctechn.com
technc.com
cnetch.xyz
techcn.cn
techcn.com
hnccet.com
chcnet.org
hccnet.in
hccnet.nl
cntech.com.vn
thencc.net
techcn.net
hnctec.com
cntech.vn
thecnc.org
ctchen.me
cntech.com
hntecc.com
cntech.co.kr
hccnet.be
thencc.org.za
thencc.com
cntech.biz
tcchen.org
theccn.net
cntech.com.ar
chcnet.net
hccnet.org
ctechn.ddns.net
cchnet.us
cchnet.com
cchnet.net
hccnet.com
cntech.cc
cntech.pro
thecnc.com
chcnet.com
thencc.co.uk
thencc.edu
techcn.ru
cchnet.gr
hccnet.biz
htcenc.com
hccnet.info

DNS History

21 records (13 active, 8 former)

20162017201820192020202120222023202420252026NSns10.dnsonic.comns7.dnsonic.comns8.dnsonic.comns9.dnsonic.comdns1.nctech.com.twdns2.nctech.com.twMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA211.21.6.130216.239.34.21216.239.36.21216.239.38.212001:b030:816a:ff74::1202.39.48.185
○NSdns1.nctech.com.tw2015-05-27 → 2017-08-30 · 4 obs
● 2015-05-27 06:54:02
● 2017-08-30 09:14:00
○ 2026-04-29 11:08:00
○ 2026-08-01 08:36:54
○NSdns2.nctech.com.tw2015-05-27 → 2017-08-30 · 4 obs
● 2015-05-27 06:54:02
● 2017-08-30 09:14:00
○ 2026-04-29 11:08:00
○ 2026-08-01 08:36:54
●NSns10.dnsonic.com2026-04-29 → 2026-08-01 · 6 obs
○ 2017-08-30 09:14:00
● 2026-04-29 11:08:00
● 2026-05-03 05:05:42
○ 2026-05-04 05:23:42
● 2026-05-04 13:52:44
● 2026-08-01 08:36:54
●NSns7.dnsonic.com2026-04-29 → 2026-08-01 · 6 obs
○ 2017-08-30 09:14:00
● 2026-04-29 11:08:00
● 2026-05-03 05:05:42
○ 2026-05-04 05:23:42
● 2026-05-04 13:52:44
● 2026-08-01 08:36:54
●NSns8.dnsonic.com2026-04-29 → 2026-08-01 · 6 obs
○ 2017-08-30 09:14:00
● 2026-04-29 11:08:00
● 2026-05-03 05:05:42
○ 2026-05-04 05:23:42
● 2026-05-04 13:52:44
● 2026-08-01 08:36:54
●NSns9.dnsonic.com2026-04-29 → 2026-08-01 · 6 obs
○ 2017-08-30 09:14:00
● 2026-04-29 11:08:00
● 2026-05-03 05:05:42
○ 2026-05-04 05:23:42
● 2026-05-04 13:52:44
● 2026-08-01 08:36:54
●MXalt1.aspmx.l.google.com2015-05-27 → 2026-08-01 · 5 obs
● 2015-05-27 06:54:02
● 2026-05-03 05:05:42
○ 2026-05-04 05:23:42
● 2026-05-04 13:52:44
● 2026-08-01 08:36:54
●MXalt2.aspmx.l.google.com2015-05-27 → 2026-08-01 · 5 obs
● 2015-05-27 06:54:02
● 2026-05-03 05:05:42
○ 2026-05-04 05:23:42
● 2026-05-04 13:52:44
● 2026-08-01 08:36:54
●MXalt3.aspmx.l.google.com2026-04-29 → 2026-08-01 · 6 obs
○ 2017-08-30 09:14:00
● 2026-04-29 11:08:00
● 2026-05-03 05:05:42
○ 2026-05-04 05:23:42
● 2026-05-04 13:52:44
● 2026-08-01 08:36:54
●MXalt4.aspmx.l.google.com2026-04-29 → 2026-08-01 · 6 obs
○ 2017-08-30 09:14:00
● 2026-04-29 11:08:00
● 2026-05-03 05:05:42
○ 2026-05-04 05:23:42
● 2026-05-04 13:52:44
● 2026-08-01 08:36:54
●MXaspmx.l.google.com2015-05-27 → 2026-08-01 · 5 obs
● 2015-05-27 06:54:02
● 2026-05-03 05:05:42
○ 2026-05-04 05:23:42
● 2026-05-04 13:52:44
● 2026-08-01 08:36:54
○MXaspmx2.googlemail.com2015-05-27 → 2017-08-30 · 4 obs
● 2015-05-27 06:54:02
● 2017-08-30 09:14:00
○ 2026-04-29 11:08:00
○ 2026-08-01 08:36:54
○MXaspmx3.googlemail.com2015-05-27 → 2017-08-30 · 4 obs
● 2015-05-27 06:54:02
● 2017-08-30 09:14:00
○ 2026-04-29 11:08:00
○ 2026-08-01 08:36:54
○MXaspmx4.googlemail.com2015-05-27 → 2017-08-30 · 4 obs
● 2015-05-27 06:54:02
● 2017-08-30 09:14:00
○ 2026-04-29 11:08:00
○ 2026-08-01 08:36:54
○MXaspmx5.googlemail.com2015-05-27 → 2017-08-30 · 4 obs
● 2015-05-27 06:54:02
● 2017-08-30 09:14:00
○ 2026-04-29 11:08:00
○ 2026-08-01 08:36:54
○A2001:b030:816a:ff74::12026-04-29 → 2026-04-30 · 5 obs
○ 2017-08-30 09:14:00
● 2026-04-29 11:08:00
● 2026-04-30 08:14:28
○ 2026-05-03 05:05:42
○ 2026-08-01 08:36:54
○A202.39.48.1852015-05-27 → 2017-08-30 · 4 obs
● 2015-05-27 06:54:02
● 2017-08-30 09:14:00
○ 2026-04-29 11:08:00
○ 2026-08-01 08:36:54
●A211.21.6.1302026-04-29 → 2026-08-01 · 6 obs
○ 2017-08-30 09:14:00
● 2026-04-29 11:08:00
● 2026-05-03 05:05:42
○ 2026-05-04 05:23:42
● 2026-05-04 13:52:44
● 2026-08-01 08:36:54
●A216.239.34.212026-04-29 → 2026-08-01 · 6 obs
○ 2017-08-30 09:14:00
● 2026-04-29 11:08:00
● 2026-05-03 05:05:42
○ 2026-05-04 05:23:42
● 2026-05-04 13:52:44
● 2026-08-01 08:36:54
●A216.239.36.212026-04-29 → 2026-08-01 · 6 obs
○ 2017-08-30 09:14:00
● 2026-04-29 11:08:00
● 2026-05-03 05:05:42
○ 2026-05-04 05:23:42
● 2026-05-04 13:52:44
● 2026-08-01 08:36:54
●A216.239.38.212026-04-29 → 2026-08-01 · 6 obs
○ 2017-08-30 09:14:00
● 2026-04-29 11:08:00
● 2026-05-03 05:05:42
○ 2026-05-04 05:23:42
● 2026-05-04 13:52:44
● 2026-08-01 08:36:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...16 records
nctech.com.twns7.dnsonic.com, ns8.dnsonic.com-

✅ Authoritative Response

Server:211.21.6.130

NS records: ns7.dnsonic.com, ns8.dnsonic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nctech.com.tw (unsigned zone)

⏱️ Timing

Total: 2000ms | Queries: -

📄 Records

TypeCountSample Data
A4216.239.34.21, 216.239.38.21...
NS2ns10.dnsonic.com, ns9.dnsonic.com
MX5alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)...
TXT1v=spf1 ip4:211.21.6.130 +a +mx +ip4:211.
SOA1ns9.dnsonic.com sten.nctech.com.tw

📌 Glue Records Collected

Total: 16

In-bailiwick: 14 (a.dns.tw, a.dns.tw, b.dns.tw...)

Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)

Analysis

Hierarchy

nctech.com.tw is a parent domain, with dns1.nctech.com.tw, dns2.nctech.com.tw and ms8.nctech.com.tw beneath it.

IP Addresses

nctech.com.tw resolves to four IP addresses: 211.21.6.130, 216.239.34.21, 216.239.36.21 and 216.239.38.21.

viplam.nl, jonesventuresllc.com, arunzden.com plus two other host names have IP numbers in common with nctech.com.tw.

Name Servers

Four name servers handle the delegation for nctech.com.tw: ns10.dnsonic.com, ns7.dnsonic.com, ns8.dnsonic.com and ns9.dnsonic.com.

nctech.com.tw has at least partial name server overlap with other domains, such as skinnet.com.tw, signworld.com.tw, watertech.com.tw and two others.

It is common to find these name servers paired with the name servers ns5.dnsonic.com, ns6.dnsonic.com, ns3.dnsonic.com and ns4.dnsonic.com.

Host names pointing to two IP addresses:

ns10.dnsonic.com points to 211.21.6.130 and 2001:b030:816a:ff74::1.

Host names resolving to a single IP address:

ns7.dnsonic.com points to 211.21.6.130.

ns8.dnsonic.com points to 211.21.6.130.

ns9.dnsonic.com points to 211.21.6.130.

The following host names resolve to 211.21.6.130: ns10.dnsonic.com, ns7.dnsonic.com, ns8.dnsonic.com and ns9.dnsonic.com.

Mail Servers

nctech.com.tw is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by nctech.com.tw are shared with other domains: tubrax.com.br, gabiria.com, ns500731.ns500671.ns500731.ns500671.ns500742.ns500731.ns500671.ns500742.ns500688.ns500671.ns500671.ns500291.ns500666.ns500291.ns500131.lustychickser.com and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com points to 172.253.62.27 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.26 and 2a00:1450:400c:c23::1a.