`think7.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5b51^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:d484^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.91.81^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.132^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`nelci.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2698^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c298^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nelci.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2298^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nelci.ns.cloudflare.com`
		A	108.162.194.152^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	162.159.38.152^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	172.64.34.152^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
NS	`zahir.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c91^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zahir.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c391^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zahir.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2391^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zahir.ns.cloudflare.com`
		A	108.162.195.145^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zahir.ns.cloudflare.com`
		A	162.159.44.145^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zahir.ns.cloudflare.com`
		A	172.64.35.145^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zahir.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.91.81, 172.67.212.132
		IPv6	2606:4700:3033::6815:5b51, 2606:4700:3036::ac43:d484
SOA	`nelci.ns.cloudflare.com`dns@cloudflare.com serial=2395240330

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034582919

Same first word

think7.cn

think7.in

DNS History

11 records (6 active, 5 former)

●NSnelci.ns.cloudflare.com2026-03-12 → 2026-03-24 · 3 obs

○ 2018-07-05 19:59:36
● 2026-03-12 04:03:26
● 2026-03-24 19:50:02

○NSns2.dnsdun.com2018-07-05 → 2018-07-05 · 3 obs

● 2018-07-05 19:59:36
○ 2026-03-12 04:03:26
○ 2026-03-24 19:50:02

○NSns2.dnsdun.net2018-07-05 → 2018-07-05 · 3 obs

● 2018-07-05 19:59:36
○ 2026-03-12 04:03:26
○ 2026-03-24 19:50:02

●NSzahir.ns.cloudflare.com2026-03-12 → 2026-03-24 · 3 obs

○ 2018-07-05 19:59:36
● 2026-03-12 04:03:26
● 2026-03-24 19:50:02

●A104.21.91.812026-03-12 → 2026-03-24 · 6 obs

○ 2018-07-05 19:59:36
● 2026-03-12 04:03:26
● 2026-03-14 06:53:28
○ 2026-03-14 07:23:52
● 2026-03-14 11:05:16
● 2026-03-24 19:50:02

○A104.252.113.2462018-07-05 → 2018-07-05 · 3 obs

● 2018-07-05 19:59:36
○ 2026-03-12 04:03:26
○ 2026-03-24 19:50:02

○A172.64.80.12026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-12 04:03:26
○ 2026-03-14 06:53:28
● 2026-03-14 07:23:52
○ 2026-03-14 11:05:16
○ 2026-03-24 19:50:02

●A172.67.212.1322026-03-12 → 2026-03-24 · 6 obs

○ 2018-07-05 19:59:36
● 2026-03-12 04:03:26
● 2026-03-14 06:53:28
○ 2026-03-14 07:23:52
● 2026-03-14 11:05:16
● 2026-03-24 19:50:02

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-12 04:03:26
○ 2026-03-14 06:53:28
● 2026-03-14 07:23:52
○ 2026-03-14 11:05:16
○ 2026-03-24 19:50:02

●A2606:4700:3033::6815:5b512026-03-12 → 2026-03-24 · 6 obs

○ 2018-07-05 19:59:36
● 2026-03-12 04:03:26
● 2026-03-14 06:53:28
○ 2026-03-14 07:23:52
● 2026-03-14 11:05:16
● 2026-03-24 19:50:02

●A2606:4700:3036::ac43:d4842026-03-12 → 2026-03-24 · 6 obs

○ 2018-07-05 19:59:36
● 2026-03-12 04:03:26
● 2026-03-14 06:53:28
○ 2026-03-14 07:23:52
● 2026-03-14 11:05:16
● 2026-03-24 19:50:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	c.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn...	-
think7.cn	nelci.ns.cloudflare.com, zahir.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.145

NS records: nelci.ns.cloudflare.com, zahir.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for think7.cn (unsigned zone)

⏱️ Timing

Total: 405ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.91.81, 172.67.212.132`
AAAA	2	`2606:4700:3036::ac43:d484, 2606:4700:3033::6815:5b51`
NS	2	`nelci.ns.cloudflare.com, zahir.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`nelci.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

think7.cn resolves to four IP numbers: 2606:4700:3033::6815:5b51, 2606:4700:3036::ac43:d484, 104.21.91.81 and 172.67.212.132.

Other host names such as www.nab-dp.com, promesinfo.org, sighthound11.com, www.okmed.org and www.dealerstransport.com share IPs with think7.cn.

Name Servers

think7.cn is delegated to two name servers: nelci.ns.cloudflare.com and zahir.ns.cloudflare.com.

think7.cn shares the same name server setup as flynnbenson.com, emaginfo.com, homelingua.com, erunix.com and wbyk.cn.

think7.cn at least partially shares name servers with other domains, for instance the886.com, ccbjf.com, grovelands-us.com, comototoking.xyz and wgm3.com.

these name servers are often used in conjunction with the name servers fattouche.ns.cloudflare.com.

Host names with six IP numbers:

nelci.ns.cloudflare.com points to 2606:4700:50::a29f:2698, 2803:f800:50::6ca2:c298, 2a06:98c1:50::ac40:2298, 108.162.194.152, 162.159.38.152 and 172.64.34.152.

zahir.ns.cloudflare.com points to 2606:4700:58::a29f:2c91, 2803:f800:50::6ca2:c391, 2a06:98c1:50::ac40:2391, 108.162.195.145, 162.159.44.145 and 172.64.35.145.

think7.cn - robtex.com

think7.cn

cn

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`think7.cn`

`cn`