`thinkercu.com`

DNSSEC	⚠️ Not signed
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.122^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.121^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`dns9.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1775972022

Subdomains

hotelv51.thinkercu.com

www.thinkercu.com

Same first word

thinkercu.com

Similar names

ukrintech.com.ua

thinkcure.org

nutrichek.com

DNS History

4 records (4 active, 0 former)

●NSdns10.hichina.com2017-01-05 → 2026-04-12 · 2 obs

● 2017-01-05 01:45:32
● 2026-04-12 05:52:38

●NSdns9.hichina.com2017-01-05 → 2026-04-12 · 2 obs

● 2017-01-05 01:45:32
● 2026-04-12 05:52:38

●MXmxbiz1.qq.com2017-12-17 → 2026-04-12 · 2 obs

● 2017-12-17 03:46:22
● 2026-04-12 05:52:38

●MXmxbiz2.qq.com2017-12-17 → 2026-04-12 · 2 obs

● 2017-12-17 03:46:22
● 2026-04-12 05:52:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
thinkercu.com	dns9.hichina.com, dns10.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thinkercu.com (unsigned zone)

⏱️ Timing

Total: 3633ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns10.hichina.com, dns9.hichina.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)

Analysis

Hierarchy

thinkercu.com is a parent of hotelv51.thinkercu.com and www.thinkercu.com.

Name Servers

Two name servers dns10.hichina.com and dns9.hichina.com handle delegation for thinkercu.com.

thinkercu.com uses the same name server setup as other domains, for example pmbk.cn, yebo021.net, dm-ship.com, zajebancija.com and lzexh.com.

thinkercu.com shares name servers with other domains at least partially, for instance hamamatsu.com.cn, wnggzy.com, suier.net and cem-limited.cn.

These name servers are often used with the name servers expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns10.hichina.com points to: 2408:4009:501::18, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

dns9.hichina.com points to: 2408:4009:501::17, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

Mail Servers

thinkercu.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

thinkercu.com has the same mail server setup as other domains, including fortcome.com, sh-ym.com, 793.cn, mvash.com and ifreeland.net.

thinkercu.com shares some mail servers with other domains, at least partially, such as pigai.org, gdlusen.com, jackaroo.live, accfun.com and hundzj.gov.cn.

thinkercu.com - robtex.com

thinkercu.com

com