`duocang.com`

DNSSEC	⚠️ Not signed
A	51.195.113.82^{🇫🇷 OVH51.195.0.0/16}
		PTR	`ip82.ip-51-195-113.eu`
NS	`dns13.hichina.com` ⭐
		A	2408:4009:501::21^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-42.defastlink.net`
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-52.defastlink.net`
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-202.defastlink.net`
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-212.defastlink.net`
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-42.defastlink.net`
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-52.defastlink.net`
		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,}
			PTR	`ip-139-224-142-112.defastlink.net`
		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,}
			PTR	`ip-139-224-142-122.defastlink.net`
NS	`dns14.hichina.com`
		A	2408:4009:501::22^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-41.defastlink.net`
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-51.defastlink.net`
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-201.defastlink.net`
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-211.defastlink.net`
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-41.defastlink.net`
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-51.defastlink.net`
		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,}
			PTR	`ip-139-224-142-111.defastlink.net`
		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,}
			PTR	`ip-139-224-142-121.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	`dns13.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=1771291435

🔒 HSTS Preload (+subdomains)

Previously NS for

duocang.com

Same first word

duocang.com

Similar names

cnguoda.com

cangduo.com

dougcan.com

candoug.com

DNS History

20 records (4 active, 16 former)

●NSdns13.hichina.com2026-02-22 → 2026-03-24 · 3 obs

○ 2017-08-14 09:08:54
● 2026-02-22 06:00:30
● 2026-03-24 04:25:00

●NSdns14.hichina.com2026-02-22 → 2026-03-24 · 3 obs

○ 2017-08-14 09:08:54
● 2026-02-22 06:00:30
● 2026-03-24 04:25:00

○NSduocang.com2015-06-02 → 2016-05-01 · 4 obs

● 2015-06-02 08:55:22
● 2016-05-01 13:30:08
○ 2016-11-01 20:45:52
○ 2026-03-24 04:25:00

○NSmyns1.fabulous.com2015-06-02 → 2016-11-01 · 4 obs

● 2015-06-02 08:55:22
● 2016-11-01 20:45:52
○ 2017-08-14 09:08:54
○ 2026-03-24 04:25:00

○NSmyns2.fabulous.com2015-06-02 → 2016-11-01 · 4 obs

● 2015-06-02 08:55:22
● 2016-11-01 20:45:52
○ 2017-08-14 09:08:54
○ 2026-03-24 04:25:00

○NSns1.uniregistry-dns.com2017-08-14 → 2017-08-14 · 4 obs

○ 2016-11-01 20:45:52
● 2017-08-14 09:08:54
○ 2026-02-22 06:00:30
○ 2026-03-24 04:25:00

○NSns1.uniregistry-dns.net2017-08-14 → 2017-08-14 · 4 obs

○ 2016-11-01 20:45:52
● 2017-08-14 09:08:54
○ 2026-02-22 06:00:30
○ 2026-03-24 04:25:00

○NSns2.uniregistry-dns.com2017-08-14 → 2017-08-14 · 4 obs

○ 2016-11-01 20:45:52
● 2017-08-14 09:08:54
○ 2026-02-22 06:00:30
○ 2026-03-24 04:25:00

○NSns2.uniregistry-dns.net2017-08-14 → 2017-08-14 · 4 obs

○ 2016-11-01 20:45:52
● 2017-08-14 09:08:54
○ 2026-02-22 06:00:30
○ 2026-03-24 04:25:00

○MXmailstore1.asia.secureserver.net2015-06-02 → 2016-05-01 · 4 obs

● 2015-06-02 08:55:22
● 2016-05-01 13:30:08
○ 2016-11-01 20:45:52
○ 2026-03-24 04:25:00

●MXmx.antispams.com2026-02-22 → 2026-03-24 · 3 obs

○ 2016-11-01 20:45:52
● 2026-02-22 06:00:30
● 2026-03-24 04:25:00

○MXsmtp.asia.secureserver.net2015-06-02 → 2016-05-01 · 4 obs

● 2015-06-02 08:55:22
● 2016-05-01 13:30:08
○ 2016-11-01 20:45:52
○ 2026-03-24 04:25:00

○A108.61.220.1392017-08-14 → 2017-08-14 · 4 obs

○ 2016-11-01 20:45:52
● 2017-08-14 09:08:54
○ 2026-02-22 06:00:30
○ 2026-03-24 04:25:00

○A128.199.102.2342016-02-25 → 2016-02-25 · 4 obs

○ 2015-10-19 01:38:04
● 2016-02-25 13:56:36
○ 2016-05-01 13:30:08
○ 2026-03-24 04:25:00

○A128.199.98.1882015-06-02 → 2015-10-19 · 4 obs

● 2015-06-02 08:55:22
● 2015-10-19 01:38:04
○ 2016-02-25 13:56:36
○ 2026-03-24 04:25:00

○A135.125.128.122026-02-22 → 2026-03-24 · 2 obs

○ 2026-02-22 06:00:30
○ 2026-03-24 04:25:00

○A139.59.245.2522016-11-01 → 2016-11-01 · 4 obs

○ 2016-05-01 13:30:08
● 2016-11-01 20:45:52
○ 2017-08-14 09:08:54
○ 2026-03-24 04:25:00

○A45.55.10.1962016-05-01 → 2016-05-01 · 4 obs

○ 2016-02-25 13:56:36
● 2016-05-01 13:30:08
○ 2016-11-01 20:45:52
○ 2026-03-24 04:25:00

●A51.195.113.822026-03-24 → 2026-03-24 · 2 obs

○ 2026-03-05 12:31:54
● 2026-03-24 04:25:00

○A54.38.153.1682026-02-22 → 2026-03-05 · 4 obs

○ 2017-08-14 09:08:54
● 2026-02-22 06:00:30
● 2026-03-05 12:31:54
○ 2026-03-24 04:25:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
duocang.com	dns13.hichina.com, dns14.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns13.hichina.com, dns14.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duocang.com (unsigned zone)

⏱️ Timing

Total: 3686ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.195.113.82`
NS	2	`dns14.hichina.com, dns13.hichina.com`
MX	1	`mx.antispams.com (pri: 10)`
TXT	1	`v=spf1 a mx -all`
SOA	1	`dns13.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns13.hichina.com, dns13.hichina.com, dns13.hichina.com...)

Analysis

IP Addresses

duocang.com maps to IP address 51.195.113.82.

Other host names, for instance fatball.com, feixing.com, flowerwhisper.com, desize.com and ecoefficience.com share IP numbers with duocang.com.

Name Servers

Two name servers dns13.hichina.com and dns14.hichina.com are delegated to duocang.com.

duocang.com uses the same name server configuration as other domains, such as onesad.com, vip150.com, mujiadao.com, goldav.cn and hrtcredit.com.

duocang.com shares name servers with other domains at least partially, for instance dymei.cn and eryanghualvfashengqi.com.

Two hosts with nine IPs each:

Host dns13.hichina.com points to 2408:4009:501::21, 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.

Host dns14.hichina.com points to 2408:4009:501::22, 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.

Mail Servers

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

duocang.com shares the same mail server setup as other domains, including chinamatch.com, myec.com, omniclimate.com, gracze.com and germanypay.com.

mx.antispams.com points to one IP number: 51.38.122.115.

duocang.com - robtex.com

duocang.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

`duocang.com`

`com`