ctbc.tw - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

ctbc.tw

DNSSEC⚠️ Not signed
A175.184.243.186🇹🇼 ChinaTrust-AS-TW175.184.243.0/24 Chinatrust Commercial Bank (CTBC) APOL proxy announcement
NSns1.ctbc.tw ⭐
A203.66.181.152🇹🇼 HiNet203.66.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRns1.ctbcbank.com
NSns2.ctbc.tw
A203.66.181.153🇹🇼 HiNet203.66.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRns2.ctbcbank.com
NSns5.ctbc.tw
A175.184.240.251🇹🇼 ChinaTrust-AS-TW175.184.240.0/24 Chinatrust Commercial Bank (CTBC) APOL proxy announcement
PTRns5.ctbcbank.com
NSns6.ctbc.tw
A175.184.243.135🇹🇼 ChinaTrust-AS-TW175.184.243.0/24 Chinatrust Commercial Bank (CTBC) APOL proxy announcement
PTRns6.ctbcbank.com
SOAns1.ctbc.twroot@ns1.ctbc.tw 2026-06-05 #1

tw

DNSSEC🔒 Signed (DS record present)
NSa.dns.tw ⭐
NSanytld.apnic.net ⚠️ Not in parent delegation
NSb.dns.tw
NSc.dns.tw
NSd.dns.tw
NSe.dns.tw
NSf.dns.tw
NSg.dns.tw
NSh.dns.tw
SOAa.dns.twsnw@twnic.net.tw 2011-05-21 #33
⚠️ On DNS blocklist: urlshortener

Same first word

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ctbc.de
ctbc.net.br
ctbc.ca
ctbc.co.id
ctbc.net
ctbc.edu.tw
ctbc.com.tw
ctbc.com.br
ctbc.life
ctbc.cn
ctbc.cz
ctbc.org
ctbc.tw

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bcct.org.au
bctc.ie
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cbtc.edu.au
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bctc.azurewebsites.net
cbtc.de
tcbc.com
tccb.ch
tccb.biz
bcct.de
tbcc.ch
btcc.org.tw
btcc.net
cbtc.org
bcct.vn
cbtc.com
ccbt.ca
btcc.me
cctb.gov.tw
cbtc.online
cbtc.ru
bctc.mobi
cbct.be
bctc.org
cctb.us
bcct.fr
cctb.eu
bctc.vn
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btcc.eu
ctcb.com.br
bctc.net
tbcc.vn
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tccb.com.ar
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btcc.technology
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bcct.cn
tbcc.us
ccbt.de
cbct.or.th
ctcb.ru
cbct.pro
bctc.eu
btcc.work
tbcc.co.za
btcc.company
ctcb.org
cbct.org.br
cbct.ru
btcc.org
cbtc.ch
btcc.co
tccb.net
ccbt.org
cbtc.it
cbct.org
ccbt.us

DNS History

5 records (5 active, 0 former)

NSns1.ctbc.twns2.ctbc.twns5.ctbc.twns6.ctbc.twA175.184.243.186
●NSns1.ctbc.tw2026-08-01 → 2026-08-17 · 2 obs
● 2026-08-01 21:44:18
● 2026-08-17 00:45:46
●NSns2.ctbc.tw2026-08-01 → 2026-08-17 · 2 obs
● 2026-08-01 21:44:18
● 2026-08-17 00:45:46
●NSns5.ctbc.tw2026-08-01 → 2026-08-17 · 2 obs
● 2026-08-01 21:44:18
● 2026-08-17 00:45:46
●NSns6.ctbc.tw2026-08-01 → 2026-08-17 · 2 obs
● 2026-08-01 21:44:18
● 2026-08-17 00:45:46
●A175.184.243.1862026-08-01 → 2026-08-17 · 2 obs
● 2026-08-01 21:44:18
● 2026-08-17 00:45:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...15 records
ctbc.twns1.ctbc.tw, ns2.ctbc.tw, ns5.ctbc.tw, ns6.ctbc.tw4 records

✅ Authoritative Response

Server:203.66.181.152

NS records: ns1.ctbc.tw, ns2.ctbc.tw, ns5.ctbc.tw, ns6.ctbc.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctbc.tw (unsigned zone)

⏱️ Timing

Total: 1087ms | Queries: -

📄 Records

TypeCountSample Data
A1175.184.243.186
NS4ns2.ctbc.tw, ns1.ctbc.tw...
SOA1ns1.ctbc.tw root.ns1.ctbc.tw

📌 Glue Records Collected

Total: 19

In-bailiwick: 18 (a.dns.tw, b.dns.tw, c.dns.tw...)

Out-of-bailiwick: 1 (anytld.apnic.net)

Analysis

IP Addresses

ctbc.tw directs to one IP number, which is 175.184.243.186.

Name Servers

The domain ctbc.tw is delegated to these four name servers: ns1.ctbc.tw, ns2.ctbc.tw, ns5.ctbc.tw and ns6.ctbc.tw.

ns1.ctbc.tw resolves to 203.66.181.152. ns2.ctbc.tw resolves to 203.66.181.153. ns5.ctbc.tw resolves to 175.184.240.251. ns6.ctbc.tw resolves to 175.184.243.135. All four hosts carry exactly one IP address.