`tangdu2003.com`

DNSSEC	⚠️ Not signed
A	120.48.78.220^{🇨🇳 Baidu120.48.64.0/19}
NS	`dns9.hichina.com` ⭐ ⚠️ Not in parent delegation
		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` ⚠️ Not in parent delegation
		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,}
NS	`dns15.hichina.com` ⚠️ Not in zone NS records
		A	2408:4009:501::23^{🇨🇳 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	`dns16.hichina.com` ⚠️ Not in zone NS records
		A	2408:4009:501::24^{🇨🇳 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,}
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=1785366552

Subdomains

www.tangdu2003.com

Same first word

tangdu2003.com

DNS History

9 records (5 active, 4 former)

●NSdns10.hichina.com2016-12-15 → 2026-07-29 · 2 obs

● 2016-12-15 19:44:10
● 2026-07-29 23:13:08

●NSdns15.hichina.com2026-07-24 → 2026-07-29 · 3 obs

○ 2016-12-15 19:44:10
● 2026-07-24 05:14:54
● 2026-07-29 23:13:08

●NSdns16.hichina.com2026-07-24 → 2026-07-29 · 3 obs

○ 2016-12-15 19:44:10
● 2026-07-24 05:14:54
● 2026-07-29 23:13:08

●NSdns9.hichina.com2016-12-15 → 2026-07-29 · 2 obs

● 2016-12-15 19:44:10
● 2026-07-29 23:13:08

●A120.48.78.2202026-07-24 → 2026-07-29 · 3 obs

○ 2017-11-16 08:19:04
● 2026-07-24 05:14:54
● 2026-07-29 23:13:08

○A61.135.162.1482016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 19:44:10
○ 2017-11-16 08:19:04
○ 2026-07-29 23:13:08

○A61.135.162.942016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 19:44:10
○ 2017-11-16 08:19:04
○ 2026-07-29 23:13:08

○CNAMEbdysite.n.shifen.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 19:44:10
○ 2017-11-16 08:19:04
○ 2026-07-29 23:13:08

○CNAMEhb003594.fc.bdysite.com2016-12-15 → 2017-11-16 · 4 obs

● 2016-12-15 19:44:10
● 2017-11-16 08:19:04
○ 2026-07-24 05:14:54
○ 2026-07-29 23:13:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tangdu2003.com	dns15.hichina.com, dns16.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tangdu2003.com (unsigned zone)

⏱️ Timing

Total: 555ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`120.48.78.220`
NS	2	`dns9.hichina.com, dns10.hichina.com`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

Hierarchy

tangdu2003.com serves as the parent of www.tangdu2003.com.

IP Addresses

tangdu2003.com points to a single IP number: 120.48.78.220.

Other host names share IP numbers with tangdu2003.com; www.tangdu2003.com is one such example.

Name Servers

tangdu2003.com has four authoritative name servers: dns10.hichina.com, dns15.hichina.com, dns16.hichina.com and dns9.hichina.com.

tangdu2003.com has at least partial name server overlap with other domains, such as caregift.net, jdd966.net, opentalk.cn and two others.

It is common to find these name servers paired with the name servers expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Host names with 9 IP numbers:

dns10.hichina.com carries IP addresses 39.96.153.41, 39.96.153.51 and 47.118.199.201, with 6 other addresses beyond those.

dns15.hichina.com carries IP addresses 39.96.153.42, 39.96.153.52 and 47.118.199.202, with 6 other addresses beyond those.

dns16.hichina.com carries IP addresses 39.96.153.41, 39.96.153.51 and 47.118.199.201, with 6 other addresses beyond those.

dns9.hichina.com carries IP addresses 39.96.153.42, 39.96.153.52 and 47.118.199.202, with 6 other addresses beyond those.

These two host names — dns10.hichina.com and dns16.hichina.com — each point to 39.96.153.41 IP addresses.

These two host names — dns10.hichina.com and dns16.hichina.com — each point to 39.96.153.51 IP addresses.

These two host names — dns10.hichina.com and dns16.hichina.com — each point to 47.118.199.201 IP addresses.

These two host names — dns10.hichina.com and dns16.hichina.com — each point to 47.118.199.211 IP addresses.

These two host names — dns10.hichina.com and dns16.hichina.com — each point to 120.76.107.41 IP addresses.

These two host names — dns10.hichina.com and dns16.hichina.com — each point to 120.76.107.51 IP addresses.

These two host names — dns10.hichina.com and dns16.hichina.com — each point to 139.224.142.111 IP addresses.

These two host names — dns10.hichina.com and dns16.hichina.com — each point to 139.224.142.121 IP addresses.

These two host names — dns15.hichina.com and dns9.hichina.com — each point to 39.96.153.42 IP addresses.

These two host names — dns15.hichina.com and dns9.hichina.com — each point to 39.96.153.52 IP addresses.

These two host names — dns15.hichina.com and dns9.hichina.com — each point to 47.118.199.202 IP addresses.

These two host names — dns15.hichina.com and dns9.hichina.com — each point to 47.118.199.212 IP addresses.

These two host names — dns15.hichina.com and dns9.hichina.com — each point to 120.76.107.42 IP addresses.

These two host names — dns15.hichina.com and dns9.hichina.com — each point to 120.76.107.52 IP addresses.

These two host names — dns15.hichina.com and dns9.hichina.com — each point to 139.224.142.112 IP addresses.

These two host names — dns15.hichina.com and dns9.hichina.com — each point to 139.224.142.122 IP addresses.

tangdu2003.com - robtex.com

tangdu2003.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`tangdu2003.com`

`com`