topthink.com - dns.ninja

`topthink.com`

DNSSEC	⚠️ Not signed
NS	`f1g1ns1.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	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	125.94.59.235^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	163.177.5.35^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
NS	`f1g1ns2.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	1.13.76.35^{🇨🇳 TENCENT-NET-AP1.13.64.0/18}
		A	36.155.149.35^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	101.227.168.35^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	106.39.207.235^{🇨🇳 CHINA-1106.39.192.0/19 China Telecom Beijing Co. Ltd.}
		A	111.206.98.235^{🇨🇳 CHINA169-BJ111.206.98.0/24}
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
TXT	`2ba6215f5cb115c02dfe38e99a29db09a820498a8a99db87e356ada4014ecc55`
TXT	`de5e198f04c0f2723fd1da0c7986715a66734f84b0353fdf37eeb7e84d67f4eb`
TXT	`_globalsign-domain-verification=F5ZSDUjeSHfL0b4V0MfBm0k4YGesl3aOXLR933nOfE`
SOA	`f1g1ns1.dnspod.net`freednsadmin@dnspod.com serial=1779077563

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786046649

rank #338954 globally
rank #139280 in the tld
📈 Tranco rank: #643,697

Subdomains

openai.topthink.com

google.topthink.com

box.topthink.com

e.topthink.com

Same first word

topthink.cloud

topthink.net

topthink.org

topthink.com

Similar names

thinktop.org

thinkpot.ch

thinkpot.tv

thinktop.biz

thinkpot.com

potthink.de

thinkpot.de

thinktop.net

thinkpot.in

thinktop.com

thinkopt.com

DNS History

5 records (4 active, 1 former)

●NSf1g1ns1.dnspod.net2015-06-30 → 2026-08-06 · 2 obs

● 2015-06-30 19:56:30
● 2026-08-06 20:22:44

●NSf1g1ns2.dnspod.net2015-06-30 → 2026-08-06 · 2 obs

● 2015-06-30 19:56:30
● 2026-08-06 20:22:44

●MXmxbiz1.qq.com2015-06-30 → 2026-08-06 · 2 obs

● 2015-06-30 19:56:30
● 2026-08-06 20:22:44

●MXmxbiz2.qq.com2015-06-30 → 2026-08-06 · 2 obs

● 2015-06-30 19:56:30
● 2026-08-06 20:22:44

○A114.80.203.2442015-06-30 → 2016-04-19 · 4 obs

● 2015-06-30 19:56:30
● 2016-04-19 13:29:46
○ 2026-04-08 00:48:18
○ 2026-08-06 20:22:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net...	-
topthink.com	f1g1ns1.dnspod.net, f1g1ns2.dnspod.net	-

✅ Authoritative Response

Server:111.206.98.235

NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for topthink.com (unsigned zone)

⏱️ Timing

Total: 825ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`f1g1ns1.dnspod.net, f1g1ns2.dnspod.net`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	4	`2ba6215f5cb115c02dfe38e99a29db09a820498a, de5e198f04c0f2723fd1da0c7986715a66734f84...`
SOA	1	`f1g1ns1.dnspod.net freednsadmin.dnspod.c`

Analysis

Hierarchy

topthink.com has four subdomains: openai.topthink.com, google.topthink.com, box.topthink.com and e.topthink.com.

Name Servers

topthink.com is delegated to two name servers: f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

topthink.com uses the same name servers as several other domains — among them cengan.cn, zxpod.com, lwkb88188.com and two more.

There is at least partial name server overlap between topthink.com and other domains — bot01gz.cfd, qiyeku.com, chaoda.hk.cn and two more among them.

It is common to find these name servers alongside the name servers a.dnspod.com, b.dnspod.com, c.dnspod.com and two others.

Hostnames that resolve to 8 IP addresses:

f1g1ns2.dnspod.net resolves to 1.12.0.1, 1.13.76.35, 36.155.149.35 and 5 other IP addresses.

Hostnames that resolve to 7 IP addresses:

f1g1ns1.dnspod.net resolves to 1.12.0.4, 1.14.119.35, 111.13.13.35 and 4 other IP addresses.

Mail Servers

Mail for topthink.com is handled by two mail servers — mxbiz1.qq.com and mxbiz2.qq.com.

topthink.com uses an identical mail server configuration to several other domains — among them lipantour.com, un-bim.com, erinson.net and two more.

topthink.com and a number of other domains — i996.cn, ztwhnt-tw.asia, taodu.com and seacrest.com.au among them — share at least some of the same mail servers.