`vanthink.com`

DNSSEC	⚠️ Not signed
A	51.195.97.129^{🇫🇷 OVH51.195.0.0/16}
		PTR	`ip129.ip-51-195-97.eu`
NS	`dns3.hichina.com` ⭐
		A	2408:4009:501::11^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-43.defastlink.net`
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-63.defastlink.net`
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-203.defastlink.net`
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-213.defastlink.net`
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-43.defastlink.net`
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-63.defastlink.net`
		A	139.224.142.113^{🇨🇳 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,}
			PTR	`ip-139-224-142-113.defastlink.net`
		A	139.224.142.123^{🇨🇳 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,}
			PTR	`ip-139-224-142-123.defastlink.net`
NS	`dns4.hichina.com`
		A	2408:4009:501::12^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-44.defastlink.net`
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-54.defastlink.net`
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-204.defastlink.net`
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-214.defastlink.net`
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-44.defastlink.net`
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-54.defastlink.net`
		A	139.224.142.114^{🇨🇳 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,}
			PTR	`ip-139-224-142-114.defastlink.net`
		A	139.224.142.124^{🇨🇳 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,}
			PTR	`ip-139-224-142-124.defastlink.net`
MX	`mx.antispams.com` ⭐
		A	51.38.122.115^{🇫🇷 OVH51.38.0.0/16}
			PTR	`mx.antispams.com`
TXT	`v=spf1 a mx -all`
SOA	`dns3.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`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=1771291435

🔒 HSTS Preload (+subdomains)

Previously NS for

vanthink.com

Same first word

vanthink.cn

vanthink.com

Similar names

navthink.fr

thinknav.com

DNS History

17 records (4 active, 13 former)

○NSbuy.internettraffic.com2015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 10:11:48
○ 2015-11-06 20:55:24
○ 2026-03-16 22:00:46

●NSdns3.hichina.com2026-03-09 → 2026-03-16 · 3 obs

○ 2018-01-16 05:39:20
● 2026-03-09 12:39:42
● 2026-03-16 22:00:46

●NSdns4.hichina.com2026-03-09 → 2026-03-16 · 3 obs

○ 2018-01-16 05:39:20
● 2026-03-09 12:39:42
● 2026-03-16 22:00:46

○NSmyns1.fabulous.com2015-11-06 → 2018-01-16 · 5 obs

○ 2015-07-04 10:11:48
● 2015-11-06 20:55:24
● 2018-01-16 05:39:20
○ 2026-03-09 12:39:42
○ 2026-03-16 22:00:46

○NSmyns2.fabulous.com2015-11-06 → 2018-01-16 · 5 obs

○ 2015-07-04 10:11:48
● 2015-11-06 20:55:24
● 2018-01-16 05:39:20
○ 2026-03-09 12:39:42
○ 2026-03-16 22:00:46

○NSsell.internettraffic.com2015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 10:11:48
○ 2015-11-06 20:55:24
○ 2026-03-16 22:00:46

○NSvanthink.com2015-11-06 → 2016-04-27 · 5 obs

○ 2015-07-04 10:11:48
● 2015-11-06 20:55:24
● 2016-04-27 22:58:28
○ 2017-01-02 07:09:32
○ 2026-03-16 22:00:46

○MXmailstore1.asia.secureserver.net2015-11-06 → 2016-04-27 · 4 obs

● 2015-11-06 20:55:24
● 2016-04-27 22:58:28
○ 2017-01-02 07:09:32
○ 2026-03-16 22:00:46

●MXmx.antispams.com2026-03-09 → 2026-03-16 · 3 obs

○ 2017-01-02 07:09:32
● 2026-03-09 12:39:42
● 2026-03-16 22:00:46

○MXsmtp.asia.secureserver.net2015-11-06 → 2016-04-27 · 4 obs

● 2015-11-06 20:55:24
● 2016-04-27 22:58:28
○ 2017-01-02 07:09:32
○ 2026-03-16 22:00:46

○A104.236.191.1602017-01-02 → 2017-01-02 · 4 obs

○ 2016-04-27 22:58:28
● 2017-01-02 07:09:32
○ 2018-01-16 05:39:20
○ 2026-03-16 22:00:46

○A104.238.182.1592018-01-16 → 2018-01-16 · 4 obs

○ 2017-01-02 07:09:32
● 2018-01-16 05:39:20
○ 2026-03-09 12:39:42
○ 2026-03-16 22:00:46

○A128.199.102.2342016-01-28 → 2016-01-28 · 4 obs

○ 2015-11-06 20:55:24
● 2016-01-28 12:18:56
○ 2016-04-27 22:58:28
○ 2026-03-16 22:00:46

○A128.199.98.1882015-11-06 → 2015-11-06 · 4 obs

○ 2015-07-04 10:11:48
● 2015-11-06 20:55:24
○ 2016-01-28 12:18:56
○ 2026-03-16 22:00:46

○A45.55.10.1962016-04-27 → 2016-04-27 · 4 obs

○ 2016-01-28 12:18:56
● 2016-04-27 22:58:28
○ 2017-01-02 07:09:32
○ 2026-03-16 22:00:46

●A51.195.97.1292026-03-09 → 2026-03-16 · 3 obs

○ 2018-01-16 05:39:20
● 2026-03-09 12:39:42
● 2026-03-16 22:00:46

○A69.172.201.2082015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 10:11:48
○ 2015-11-06 20:55:24
○ 2026-03-16 22:00:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
vanthink.com	dns3.hichina.com, dns4.hichina.com	18 records

✅ Authoritative Response

Server: 120.76.107.43

NS records: dns3.hichina.com, dns4.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vanthink.com (unsigned zone)

⏱️ Timing

Total: 954ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.195.97.129`
NS	2	`dns3.hichina.com, dns4.hichina.com`
MX	1	`mx.antispams.com (pri: 10)`
TXT	1	`v=spf1 a mx -all`
SOA	1	`dns3.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns3.hichina.com, dns3.hichina.com, dns3.hichina.com...)

Analysis

IP Addresses

vanthink.com resolves to one IP number: 51.195.97.129.

other host names including zhongai.com, wucaishi.com, xiangji.com, zhcg.com and visionnext.com share IP numbers with vanthink.com.

Name Servers

vanthink.com is delegated to two name servers dns3.hichina.com and dns4.hichina.com.

vanthink.com shares the same name server setup as other domains, for instance ismmold.com, igkh.com, lexiangprint.com, okupfurniture.com and wallife.net.

vanthink.com at least partially shares name servers with other domains, for instance yunland.com, crowninns.com, jxzg.net and floatingislandapps.com.

These name servers are commonly used alongside expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns3.hichina.com points to: 2408:4009:501::11, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.

dns4.hichina.com points to: 2408:4009:501::12, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

Mail Servers

vanthink.com is handled by a single mail server, mx.antispams.com.

vanthink.com shares the same mail server setup as other domains, for instance harghita.com, tupeng.com, aifeng.com, weiyong.com and a.mx.umusik.com.

mx.antispams.com resolves to IP 51.38.122.115.

vanthink.com - robtex.com

vanthink.com

com

Previously NS for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`vanthink.com`

`com`