`protech-corp.net.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:4cba^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c6ea^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.76.186^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.198.234^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`rosalie.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2639^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c239^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rosalie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2239^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rosalie.ns.cloudflare.com`
		A	108.162.194.57^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
		A	162.159.38.57^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
		A	172.64.34.57^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalie.ns.cloudflare.com`
NS	`sam.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sam.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sam.ns.cloudflare.com`
		A	108.162.193.141^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	172.64.33.141^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
		A	173.245.59.141^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sam.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.76.186, 172.67.198.234
		IPv6 hints	2606:4700:3035::6815:4cba, 2606:4700:3037::ac43:c6ea
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=43, name=cloudflare-ech.com
SOA	`rosalie.ns.cloudflare.com`dns@cloudflare.com serial=2410422962

`net.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2028213920

WOT: SUSPICIOUS (55/100)

Same first word

protech-corp.net.cn

DNS History

14 records (6 active, 8 former)

●NSrosalie.ns.cloudflare.com2026-04-04 → 2026-08-09 · 2 obs

● 2026-04-04 13:08:14
● 2026-08-09 00:54:16

●NSsam.ns.cloudflare.com2026-04-04 → 2026-08-09 · 2 obs

● 2026-04-04 13:08:14
● 2026-08-09 00:54:16

●A104.21.76.1862026-04-04 → 2026-08-09 · 7 obs

● 2026-04-04 13:08:14
● 2026-06-08 10:36:22
○ 2026-06-23 13:57:26
● 2026-06-23 15:53:28
○ 2026-06-28 18:54:24
● 2026-06-28 21:41:22
● 2026-08-09 00:54:16

●A172.67.198.2342026-04-04 → 2026-08-09 · 7 obs

● 2026-04-04 13:08:14
● 2026-06-08 10:36:22
○ 2026-06-23 13:57:26
● 2026-06-23 15:53:28
○ 2026-06-28 18:54:24
● 2026-06-28 21:41:22
● 2026-08-09 00:54:16

○A188.114.96.02026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-08 10:36:22
● 2026-06-23 13:57:26
○ 2026-06-23 15:53:28
○ 2026-08-09 00:54:16

○A188.114.96.42026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-23 15:53:28
● 2026-06-28 18:54:24
○ 2026-06-28 21:41:22
○ 2026-08-09 00:54:16

○A188.114.97.02026-06-23 → 2026-06-23 · 4 obs

○ 2026-06-08 10:36:22
● 2026-06-23 13:57:26
○ 2026-06-23 15:53:28
○ 2026-08-09 00:54:16

○A188.114.97.42026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-23 15:53:28
● 2026-06-28 18:54:24
○ 2026-06-28 21:41:22
○ 2026-08-09 00:54:16

●A2606:4700:3035::6815:4cba2026-06-23 → 2026-08-09 · 5 obs

○ 2026-06-23 13:57:26
● 2026-06-23 15:53:28
○ 2026-06-28 18:54:24
● 2026-06-28 21:41:22
● 2026-08-09 00:54:16

○A2606:4700:3036::6815:4cba2026-06-06 → 2026-06-08 · 5 obs

○ 2026-04-04 13:08:14
● 2026-06-06 10:35:34
● 2026-06-08 10:36:22
○ 2026-06-23 13:57:26
○ 2026-08-09 00:54:16

○A2606:4700:3036::ac43:c6ea2026-06-06 → 2026-06-08 · 5 obs

○ 2026-04-04 13:08:14
● 2026-06-06 10:35:34
● 2026-06-08 10:36:22
○ 2026-06-23 13:57:26
○ 2026-08-09 00:54:16

●A2606:4700:3037::ac43:c6ea2026-06-23 → 2026-08-09 · 5 obs

○ 2026-06-23 13:57:26
● 2026-06-23 15:53:28
○ 2026-06-28 18:54:24
● 2026-06-28 21:41:22
● 2026-08-09 00:54:16

○A2a06:98c1:3120::2026-04-04 → 2026-06-28 · 8 obs

● 2026-04-04 13:08:14
○ 2026-06-06 10:35:34
○ 2026-06-08 10:36:22
● 2026-06-23 13:57:26
○ 2026-06-23 15:53:28
● 2026-06-28 18:54:24
○ 2026-06-28 21:41:22
○ 2026-08-09 00:54:16

○A2a06:98c1:3121::2026-04-04 → 2026-06-28 · 8 obs

● 2026-04-04 13:08:14
○ 2026-06-06 10:35:34
○ 2026-06-08 10:36:22
● 2026-06-23 13:57:26
○ 2026-06-23 15:53:28
● 2026-06-28 18:54:24
○ 2026-06-28 21:41:22
○ 2026-08-09 00:54:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
protech-corp.net.cn	sam.ns.cloudflare.com, rosalie.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.141

NS records: sam.ns.cloudflare.com, rosalie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for protech-corp.net.cn (unsigned zone)

⏱️ Timing

Total: 1151ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.198.234, 104.21.76.186`
AAAA	2	`2606:4700:3035::6815:4cba, 2606:4700:3037::ac43:c6ea`
NS	2	`rosalie.ns.cloudflare.com, sam.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`rosalie.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

protech-corp.net.cn points to the four IP addresses 104.21.76.186, 172.67.198.234, 2606:4700:3035::6815:4cba and 2606:4700:3037::ac43:c6ea.

(0x6e756465)artmagazines.com, gfcomunicaciones.com, dyguangyi.com plus two other host names have IP numbers in common with protech-corp.net.cn.

Name Servers

DNS delegation for protech-corp.net.cn points to two name servers: rosalie.ns.cloudflare.com and sam.ns.cloudflare.com.

The name server configuration of protech-corp.net.cn is shared with other domains, for instance lwport.com.cn, gdwtz.com.cn, xinchanpin.com.cn and two others.

There is at least partial name server overlap between protech-corp.net.cn and other domains — 6vdy.cc, trezorhelp.info, control.co.il and two more among them.

Hosts with 6 IP addresses each:

rosalie.ns.cloudflare.com has IP addresses 108.162.194.57, 162.159.38.57 and 172.64.34.57, plus 3 other.

sam.ns.cloudflare.com has IP addresses 108.162.193.141, 172.64.33.141 and 173.245.59.141, plus 3 other.

protech-corp.net.cn - robtex.com