`brainthink.com.cn`

DNSSEC	⚠️ Not signed
NS	`calf.dnspod.net` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.14.119.35^{🇨🇳 TENCENT-NET-AP1.14.64.0/18}
		A	111.13.13.35^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
NS	`leila.dnspod.net`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	101.227.168.35^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	111.206.98.235^{🇨🇳 CHINA169-BJ111.206.98.0/24}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
MX	`mxbiz2.qq.com` ⭐
TXT	`fCHx5YNzFmFegwy7nre6ip2aXXPTAdj8fOPfr5Nb3C6B`
SOA	`calf.dnspod.net`freednsadmin@dnspod.com serial=1766141262

`com.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=2030535682

WOT: NOT_SAFE (20/100)

Same first word

brainthink.com.cn

brainthink.com

Similar names

thinkbrain.com

thinkbrain.elementor.cloud

DNS History

3 records (3 active, 0 former)

●NScalf.dnspod.net2026-04-16 → 2026-04-26 · 2 obs

● 2026-04-16 12:49:10
● 2026-04-26 19:41:00

●NSleila.dnspod.net2026-04-16 → 2026-04-26 · 2 obs

● 2026-04-16 12:49:10
● 2026-04-26 19:41:00

●MXmxbiz2.qq.com2026-04-16 → 2026-04-26 · 2 obs

● 2026-04-16 12:49:10
● 2026-04-26 19:41:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
brainthink.com.cn	calf.dnspod.net, leila.dnspod.net	-

✅ Authoritative Response

Server:1.14.119.35

NS records: calf.dnspod.net, leila.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for brainthink.com.cn (unsigned zone)

⏱️ Timing

Total: 1344ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`leila.dnspod.net, calf.dnspod.net`
MX	1	`mxbiz2.qq.com (pri: 10)`
TXT	1	`fCHx5YNzFmFegwy7nre6ip2aXXPTAdj8fOPfr5Nb`
SOA	1	`calf.dnspod.net freednsadmin.dnspod.com`

Analysis

Name Servers

brainthink.com.cn's delegation uses two name servers, calf.dnspod.net and leila.dnspod.net.

brainthink.com.cn shares the same name server setup as other domains, for example beesroom.com, aiyou7.com, guoxueban.com, 99pcb.com and baikaishui.com.

brainthink.com.cn partially shares its name servers with other domains, for example wushizhen.cn and oywtv.com.

Host names with six IP numbers:

calf.dnspod.net points to: 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 112.80.181.45 and 117.89.178.173.

leila.dnspod.net points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 101.227.168.35, 111.206.98.235 and 129.211.176.239.

Mail Servers

brainthink.com.cn is handled by a single mail server, mxbiz2.qq.com.

brainthink.com.cn shares its mail server setup with other domains, including qplib.sh.cn, china-domain.net, bd56.com, ceepf.com and yunxyun.com.

The mail servers for brainthink.com.cn are shared with other domains, for instance gzbaian.com, colainternational.com, guteng.net, acerope.com and undesoft.com.

these mail servers are commonly used alongside the mail servers mxbiz1.qq.com.

brainthink.com.cn - robtex.com