`bct.com.tw`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:426d^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9f71^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.109^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.113^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`leonard.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c36^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leonard.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c336^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leonard.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2336^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leonard.ns.cloudflare.com`
		A	108.162.195.54^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leonard.ns.cloudflare.com`
		A	162.159.44.54^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leonard.ns.cloudflare.com`
		A	172.64.35.54^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leonard.ns.cloudflare.com`
NS	`susan.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`susan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`susan.ns.cloudflare.com`
		A	108.162.194.199^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	162.159.38.199^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	172.64.34.199^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.66.109, 172.67.159.113
		IPv6 hints	2606:4700:3032::6815:426d, 2606:4700:3037::ac43:9f71
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=102, name=cloudflare-ech.com
SOA	`leonard.ns.cloudflare.com`dns@cloudflare.com serial=2410041160

`com.tw`

	DNSSEC	⚠️ Not signed
	NS	`a.twnic.net.tw` ⭐
	NS	`anytld.apnic.net`
	NS	`b.twnic.net.tw`
	NS	`c.twnic.net.tw`
	NS	`d.twnic.net.tw`
	NS	`e.twnic.net.tw`
	NS	`f.twnic.net.tw`
	NS	`g.twnic.net.tw`
	NS	`h.dns.tw`
	NS	`h.twnic.net.tw`
	SOA	`a.twnic.net.tw`snw@twnic.net.tw serial=2006385487

rank #541284 globally
rank #1407 in the tld
WOT: SAFE (60/100)
WOT: SAFE (58/100)

Same first word

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btc.com.eg

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DNS History

12 records (6 active, 6 former)

●NSleonard.ns.cloudflare.com2026-07-23 → 2026-07-25 · 2 obs

● 2026-07-23 09:03:20
● 2026-07-25 10:52:52

●NSsusan.ns.cloudflare.com2026-07-23 → 2026-07-25 · 2 obs

● 2026-07-23 09:03:20
● 2026-07-25 10:52:52

●A104.21.66.1092026-07-25 → 2026-07-25 · 2 obs

○ 2026-07-23 10:45:44
● 2026-07-25 10:52:52

●A172.67.159.1132026-07-25 → 2026-07-25 · 2 obs

○ 2026-07-23 10:45:44
● 2026-07-25 10:52:52

○A188.114.96.02026-07-23 → 2026-07-23 · 3 obs

○ 2026-07-23 09:03:20
● 2026-07-23 10:45:44
○ 2026-07-25 10:52:52

○A188.114.96.42026-07-23 → 2026-07-23 · 3 obs

● 2026-07-23 09:03:20
○ 2026-07-23 10:45:44
○ 2026-07-25 10:52:52

○A188.114.97.02026-07-23 → 2026-07-23 · 3 obs

○ 2026-07-23 09:03:20
● 2026-07-23 10:45:44
○ 2026-07-25 10:52:52

○A188.114.97.42026-07-23 → 2026-07-23 · 3 obs

● 2026-07-23 09:03:20
○ 2026-07-23 10:45:44
○ 2026-07-25 10:52:52

●A2606:4700:3032::6815:426d2026-07-25 → 2026-07-25 · 2 obs

○ 2026-07-23 10:45:44
● 2026-07-25 10:52:52

●A2606:4700:3037::ac43:9f712026-07-25 → 2026-07-25 · 2 obs

○ 2026-07-23 10:45:44
● 2026-07-25 10:52:52

○A2a06:98c1:3120::2026-07-23 → 2026-07-23 · 2 obs

● 2026-07-23 09:03:20
○ 2026-07-25 10:52:52

○A2a06:98c1:3121::2026-07-23 → 2026-07-23 · 2 obs

● 2026-07-23 09:03:20
○ 2026-07-25 10:52:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com.tw	anytld.apnic.net, f.twnic.net.tw, h.dns.tw, a.twnic.net.tw...	-
bct.com.tw	susan.ns.cloudflare.com, leonard.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.199

NS records: susan.ns.cloudflare.com, leonard.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for com.tw (unsigned zone)

⏱️ Timing

Total: 1354ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.159.113, 104.21.66.109`
AAAA	2	`2606:4700:3032::6815:426d, 2606:4700:3037::ac43:9f71`
NS	2	`leonard.ns.cloudflare.com, susan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`leonard.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

bct.com.tw has four IP addresses: 104.21.66.109, 172.67.159.113, 2606:4700:3032::6815:426d and 2606:4700:3037::ac43:9f71.

qijiani.com, cjr.edu.mx, www.onetdsgo.com plus two other host names have IP numbers in common with bct.com.tw.

Name Servers

The NS records for bct.com.tw delegate to leonard.ns.cloudflare.com and susan.ns.cloudflare.com.

The name server configuration of bct.com.tw is shared with other domains, for instance sullbarkbuilders.com, marmor.li, ozoschool.nl and two others.

bct.com.tw shares at least some of its name servers with other domains, including neokain.de, melbetsignup.com, gama73579.xyz and two others.

These name servers are frequently paired with the name servers damon.ns.cloudflare.com and denver.ns.cloudflare.com.

Hosts with 6 IP addresses each:

leonard.ns.cloudflare.com maps to 108.162.195.54, 162.159.44.54, 172.64.35.54 and 3 additional IP addresses.

susan.ns.cloudflare.com maps to 108.162.194.199, 162.159.38.199, 172.64.34.199 and 3 additional IP addresses.

bct.com.tw - robtex.com

bct.com.tw

com.tw

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`bct.com.tw`

`com.tw`