`leader-tech.com.tw`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:2585^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:d040^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.133^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.208.64^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`curt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`curt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`curt.ns.cloudflare.com`
		A	108.162.193.94^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	172.64.33.94^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	173.245.59.94^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
NS	`irena.ns.cloudflare.com`
		A	2606:4700:50::a29f:264f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`irena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c24f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`irena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:224f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`irena.ns.cloudflare.com`
		A	108.162.194.79^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`irena.ns.cloudflare.com`
		A	162.159.38.79^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`irena.ns.cloudflare.com`
		A	172.64.34.79^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`irena.ns.cloudflare.com`
MX	`mx1.biz-himail.com` ⭐
		A	210.59.137.6^{🇹🇼 HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`biz-mx1-6.hinet.net`
		A	210.59.137.7^{🇹🇼 HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`biz-mx1-7.hinet.net`
MX	`mx2.biz-himail.com` ⭐
		A	210.59.137.16^{🇹🇼 HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`biz-mx2-6.hinet.net`
		A	210.59.137.17^{🇹🇼 HiNet210.59.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`biz-mx2-7.hinet.net`
TXT	`v=spf1 include:spf.biz-mail.hinet.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.133, 172.67.208.64
		IPv6 hints	2606:4700:3033::6815:2585, 2606:4700:3033::ac43:d040
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com
SOA	`curt.ns.cloudflare.com`dns@cloudflare.com serial=2401173333

`com.tw`

	DNSSEC	⚠️ Not signed
	NS	`a.twnic.net.tw` ⭐ ⚠️ Not in parent delegation
	NS	`anytld.apnic.net` ⚠️ Not in parent delegation
	NS	`b.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`c.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`d.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`e.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`f.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`g.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`h.dns.tw` ⚠️ Not in parent delegation
	NS	`h.twnic.net.tw` ⚠️ Not in parent delegation
	SOA	`a.twnic.net.tw`snw@twnic.net.tw serial=2006341882

WOT: SAFE (58/100)

Same first word

leader-tech.co.il

leader-tech.pl

leader-tech.com.tw

Similar names

tech-leader.com

tech-leader.net

tech-leader.cn

tech-dealer.de

tech-leader.com.cn

dealer-tech.com

DNS History

16 records (8 active, 8 former)

○NSadmns1.hinet.net2015-07-26 → 2019-04-15 · 7 obs

● 2015-07-26 05:59:40
● 2016-09-17 06:05:46
○ 2016-12-09 14:59:24
○ 2018-09-09 19:53:48
● 2019-04-15 05:52:50
○ 2026-04-09 18:59:40
○ 2026-04-14 02:26:38

○NSadmns2.hinet.net2015-07-26 → 2019-04-15 · 7 obs

● 2015-07-26 05:59:40
● 2016-09-17 06:05:46
○ 2016-12-09 14:59:24
○ 2018-09-09 19:53:48
● 2019-04-15 05:52:50
○ 2026-04-09 18:59:40
○ 2026-04-14 02:26:38

●NScurt.ns.cloudflare.com2026-04-09 → 2026-04-14 · 3 obs

○ 2019-04-15 05:52:50
● 2026-04-09 18:59:40
● 2026-04-14 02:26:38

●NSirena.ns.cloudflare.com2026-04-09 → 2026-04-14 · 3 obs

○ 2019-04-15 05:52:50
● 2026-04-09 18:59:40
● 2026-04-14 02:26:38

○NSns3.ivenue.com2016-12-09 → 2018-09-09 · 5 obs

○ 2016-09-17 06:05:46
● 2016-12-09 14:59:24
● 2018-09-09 19:53:48
○ 2019-04-15 05:52:50
○ 2026-04-14 02:26:38

○NSns4.ivenue.com2016-12-09 → 2018-09-09 · 5 obs

○ 2016-09-17 06:05:46
● 2016-12-09 14:59:24
● 2018-09-09 19:53:48
○ 2019-04-15 05:52:50
○ 2026-04-14 02:26:38

○MXbiz-mx1.hinet.net2015-07-26 → 2019-04-15 · 4 obs

● 2015-07-26 05:59:40
● 2019-04-15 05:52:50
○ 2026-04-09 18:59:40
○ 2026-04-14 02:26:38

○MXbiz-mx2.hinet.net2015-07-26 → 2019-04-15 · 4 obs

● 2015-07-26 05:59:40
● 2019-04-15 05:52:50
○ 2026-04-09 18:59:40
○ 2026-04-14 02:26:38

●MXmx1.biz-himail.com2026-04-09 → 2026-04-14 · 3 obs

○ 2019-04-15 05:52:50
● 2026-04-09 18:59:40
● 2026-04-14 02:26:38

●MXmx2.biz-himail.com2026-04-09 → 2026-04-14 · 3 obs

○ 2019-04-15 05:52:50
● 2026-04-09 18:59:40
● 2026-04-14 02:26:38

●A104.21.37.1332026-04-09 → 2026-04-14 · 3 obs

○ 2019-04-15 05:52:50
● 2026-04-09 18:59:40
● 2026-04-14 02:26:38

●A172.67.208.642026-04-09 → 2026-04-14 · 3 obs

○ 2019-04-15 05:52:50
● 2026-04-09 18:59:40
● 2026-04-14 02:26:38

○A203.69.77.252015-07-26 → 2016-09-17 · 4 obs

● 2015-07-26 05:59:40
● 2016-09-17 06:05:46
○ 2016-12-09 14:59:24
○ 2026-04-14 02:26:38

○A208.89.138.212016-12-09 → 2019-04-15 · 5 obs

○ 2016-09-17 06:05:46
● 2016-12-09 14:59:24
● 2019-04-15 05:52:50
○ 2026-04-09 18:59:40
○ 2026-04-14 02:26:38

●A2606:4700:3033::6815:25852026-04-09 → 2026-04-14 · 3 obs

○ 2019-04-15 05:52:50
● 2026-04-09 18:59:40
● 2026-04-14 02:26:38

●A2606:4700:3033::ac43:d0402026-04-09 → 2026-04-14 · 3 obs

○ 2019-04-15 05:52:50
● 2026-04-09 18:59:40
● 2026-04-14 02:26:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...	-
com.tw	h.dns.tw, a.twnic.net.tw, anytld.apnic.net, g.twnic.net.tw...	17 records
leader-tech.com.tw	curt.ns.cloudflare.com, irena.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.94

NS records: curt.ns.cloudflare.com, irena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leader-tech.com.tw (unsigned zone)

⏱️ Timing

Total: 3582ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.37.133, 172.67.208.64`
AAAA	2	`2606:4700:3033::6815:2585, 2606:4700:3033::ac43:d040`
NS	2	`curt.ns.cloudflare.com, irena.ns.cloudflare.com`
MX	2	`mx1.biz-himail.com (pri: 0), mx2.biz-himail.com (pri: 0)`
TXT	1	`v=spf1 include:spf.biz-mail.hinet.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`curt.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 17

Out-of-bailiwick: 17 (h.twnic.net.tw, g.twnic.net.tw, f.twnic.net.tw...)

Analysis

IP Addresses

Four IP numbers are pointed to by leader-tech.com.tw: 2606:4700:3033::6815:2585, 2606:4700:3033::ac43:d040, 104.21.37.133 and 172.67.208.64.

other host names including cuxhaven-helgoland.de, sensoterra.com, ro-bot.net, planningthepractice.com and rebeccahofman.com share IP numbers with leader-tech.com.tw.

Name Servers

leader-tech.com.tw is delegated to two name servers curt.ns.cloudflare.com and irena.ns.cloudflare.com.

leader-tech.com.tw shares the same name server setup as other domains, for instance daiko1982.com.tw, suwei.com.tw, kuanhsin.com, nanaflower.com.tw and eliteam.com.tw.

leader-tech.com.tw at least partially shares name servers with other domains, for instance artistop.co.uk, hycjj.net, freenovelread.com, mandala77petir.com and whojustcallme.com.

These name servers are commonly used alongside donovan.ns.cloudflare.com and dalary.ns.cloudflare.com.

Host names with six IP numbers:

Host name curt.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5e, 2803:f800:50::6ca2:c15e, 2a06:98c1:50::ac40:215e, 108.162.193.94, 172.64.33.94 and 173.245.59.94.

Host name irena.ns.cloudflare.com points to: 2606:4700:50::a29f:264f, 2803:f800:50::6ca2:c24f, 2a06:98c1:50::ac40:224f, 108.162.194.79, 162.159.38.79 and 172.64.34.79.

Mail Servers

Two mail servers handle leader-tech.com.tw: mx1.biz-himail.com and mx2.biz-himail.com.

leader-tech.com.tw shares the same mail server setup as other domains, for instance js-label.com.tw, ginny.com.tw, foreport.com.tw, gltcl.com.tw and magic-food.com.tw.

leader-tech.com.tw shares some mail servers with other domains, at least partially, for instance regent-metals.com.tw, armortech.com.tw, hyte.com.tw, dhit.com.tw and 4axes.com.tw.

Host names with two IP numbers:

The host name mx1.biz-himail.com points to 210.59.137.6 and 210.59.137.7; the host name mx2.biz-himail.com points to 210.59.137.16 and 210.59.137.17.

leader-tech.com.tw - robtex.com