www.brtech.com.tw - robtex.com

www.brtech.com.tw

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:8434🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:cb4🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.12.180Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.52🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.12.180, 172.67.132.52
IPv6 hints2606:4700:3033::ac43:8434, 2606:4700:3034::6815:cb4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com

brtech.com.tw

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:8434🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:cb4🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.12.180Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.52🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarya.ns.cloudflare.com ⭐
NSkhalid.ns.cloudflare.com
MXbrtech-com-tw.mail.protection.outlook.com ⭐
TXTMS=ms87538449
TXTgoogle-site-verification=einqvmMZR1U8pjGIMFpnaqV52qrnb732OUj7D89V7FA
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.12.180, 172.67.132.52
IPv6 hints2606:4700:3033::ac43:8434, 2606:4700:3034::6815:cb4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOAarya.ns.cloudflare.comdns@cloudflare.com serial=2403478184

Same first word

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DNS History

7 records (4 active, 3 former)

2020202120222023202420252026A104.21.12.180172.67.132.522606:4700:3033::ac43:84342606:4700:3034::6815:cb4118.233.90.178210.17.120.8460.199.134.66
●A104.21.12.1802026-05-06 → 2026-05-10 · 3 obs
○ 2026-05-01 00:06:28
● 2026-05-06 23:44:30
● 2026-05-10 00:13:42
○A118.233.90.1782026-05-01 → 2026-05-01 · 4 obs
○ 2026-03-31 05:23:22
● 2026-05-01 00:06:28
○ 2026-05-06 23:44:30
○ 2026-05-10 00:13:42
●A172.67.132.522026-05-06 → 2026-05-10 · 3 obs
○ 2026-05-01 00:06:28
● 2026-05-06 23:44:30
● 2026-05-10 00:13:42
○A210.17.120.842019-03-24 → 2019-03-24 · 3 obs
● 2019-03-24 02:18:36
○ 2026-03-17 00:41:06
○ 2026-05-10 00:13:42
●A2606:4700:3033::ac43:84342026-05-06 → 2026-05-10 · 3 obs
○ 2026-05-01 00:06:28
● 2026-05-06 23:44:30
● 2026-05-10 00:13:42
●A2606:4700:3034::6815:cb42026-05-06 → 2026-05-10 · 3 obs
○ 2026-05-01 00:06:28
● 2026-05-06 23:44:30
● 2026-05-10 00:13:42
○A60.199.134.662026-03-17 → 2026-03-31 · 5 obs
○ 2019-03-24 02:18:36
● 2026-03-17 00:41:06
● 2026-03-31 05:23:22
○ 2026-05-01 00:06:28
○ 2026-05-10 00:13:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twa.dns.tw, e.dns.tw, g.dns.tw, c.dns.tw...16 records
com.twh.dns.tw, anytld.apnic.net, b.twnic.net.tw, a.twnic.net.tw...17 records
brtech.com.twarya.ns.cloudflare.com, khalid.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.70

NS records: arya.ns.cloudflare.com, khalid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1277ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.132.52, 104.21.12.180
AAAA22606:4700:3033::ac43:8434, 2606:4700:3034::6815:cb4
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 33

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

Out-of-bailiwick: 19 (anytld.apnic.net, anytld.apnic.net, h.twnic.net.tw...)

Analysis

IP Addresses

Four IP numbers are pointed to by www.brtech.com.tw: 2606:4700:3033::ac43:8434, 2606:4700:3034::6815:cb4, 104.21.12.180 and 172.67.132.52.

other host names including ns2.microrpm.net, kisza.com, willamettewatertrail.org, tokyo77setia.ink and nerdreactor.net share IP numbers with www.brtech.com.tw.