learning.bizthinking.com.tw - robtex.com

learning.bizthinking.com.tw

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:89e🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:828d🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.8.158Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.141🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.8.158, 172.67.130.141
IPv6 hints2606:4700:3034::6815:89e, 2606:4700:3036::ac43:828d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=209, name=cloudflare-ech.com

bizthinking.com.tw

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:89e🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:828d🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.8.158Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.141🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSada.ns.cloudflare.com ⭐
NSvern.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTgoogle-site-verification=-w9XNZElnwlP--D0OUvewK4vOF1TjMM4yCPKLqYILjU
TXTgoogle-site-verification=8mYpSKu4hxV0gZ-yTeWRv5S_JzEVrYGSxe0oOQ5VrHk
TXTgoogle-site-verification=vXVAb_4NXACQSPhi2dCe2oEywCBZ_nAXnaApASBsy2k
TXTv=spf1 include:mailgun.org ?all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.8.158, 172.67.130.141
IPv6 hints2606:4700:3034::6815:89e, 2606:4700:3036::ac43:828d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=209, name=cloudflare-ech.com
SOAada.ns.cloudflare.comdns@cloudflare.com serial=2401317180
⚠️ On DNS blocklist: tif

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DNS History

8 records (4 active, 4 former)

A104.21.8.158172.67.130.1412606:4700:3034::6815:89e2606:4700:3036::ac43:828d172.66.41.17172.66.42.2392606:4700:3108::ac42:29112606:4700:3108::ac42:2aef
●A104.21.8.1582026-04-11 → 2026-05-14 · 3 obs
○ 2026-03-08 09:03:54
● 2026-04-11 20:49:22
● 2026-05-14 05:49:14
○A172.66.41.172026-02-15 → 2026-03-08 · 4 obs
● 2026-02-15 06:50:10
● 2026-03-08 09:03:54
○ 2026-04-11 20:49:22
○ 2026-05-14 05:49:14
○A172.66.42.2392026-02-15 → 2026-03-08 · 4 obs
● 2026-02-15 06:50:10
● 2026-03-08 09:03:54
○ 2026-04-11 20:49:22
○ 2026-05-14 05:49:14
●A172.67.130.1412026-04-11 → 2026-05-14 · 3 obs
○ 2026-03-08 09:03:54
● 2026-04-11 20:49:22
● 2026-05-14 05:49:14
●A2606:4700:3034::6815:89e2026-04-11 → 2026-05-14 · 3 obs
○ 2026-03-08 09:03:54
● 2026-04-11 20:49:22
● 2026-05-14 05:49:14
●A2606:4700:3036::ac43:828d2026-04-11 → 2026-05-14 · 3 obs
○ 2026-03-08 09:03:54
● 2026-04-11 20:49:22
● 2026-05-14 05:49:14
○A2606:4700:3108::ac42:29112026-02-15 → 2026-03-08 · 4 obs
● 2026-02-15 06:50:10
● 2026-03-08 09:03:54
○ 2026-04-11 20:49:22
○ 2026-05-14 05:49:14
○A2606:4700:3108::ac42:2aef2026-02-15 → 2026-03-08 · 4 obs
● 2026-02-15 06:50:10
● 2026-03-08 09:03:54
○ 2026-04-11 20:49:22
○ 2026-05-14 05:49:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...-
bizthinking.com.twvern.ns.cloudflare.com, ada.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.243

NS records: vern.ns.cloudflare.com, ada.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1075ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.8.158, 172.67.130.141
AAAA22606:4700:3034::6815:89e, 2606:4700:3036::ac43:828d
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

learning.bizthinking.com.tw refers to four IP numbers: 2606:4700:3034::6815:89e, 2606:4700:3036::ac43:828d, 104.21.8.158 and 172.67.130.141.

Other host names, for instance mail.onlinesia.net, goianiamostracurtas.com.br, linguasia.com, jktomilino.ru and ozbekistangazetesi.com share IP numbers with learning.bizthinking.com.tw.