dduwork.com - dns.ninja

`dduwork.com`

DNSSEC	⚠️ Not signed
A	43.134.74.148^{🇸🇬 TENCENT-NET-AP-CN43.134.64.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
NS	`dns1.hichina.com` ⭐ ⚠️ Not in parent delegation
		A	2408:4009:501::9^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
NS	`dns2.hichina.com` ⚠️ Not in parent delegation
		A	2408:4009:501::10^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
NS	`ns1.alidns.com` ⚠️ Not in zone NS records
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.115^{🇨🇳 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	139.224.142.125^{🇨🇳 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	`ns2.alidns.com` ⚠️ Not in zone NS records
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.116^{🇨🇳 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	139.224.142.126^{🇨🇳 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:one.zoho.com.cn ~all`
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`dns1.hichina.com`hostmaster@hichina.com 2026-06-04 #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=1782712330

Same first word

dduwork.com

DNS History

16 records (7 active, 9 former)

●NSdns1.hichina.com2026-02-16 → 2026-06-29 · 3 obs

○ 2016-12-14 23:08:28
● 2026-02-16 11:17:26
● 2026-06-29 06:17:14

●NSdns2.hichina.com2026-02-16 → 2026-06-29 · 3 obs

○ 2016-12-14 23:08:28
● 2026-02-16 11:17:26
● 2026-06-29 06:17:14

○NSf1g1ns1.dnspod.net2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 23:08:28
○ 2026-02-16 11:17:26
○ 2026-06-29 06:17:14

○NSf1g1ns2.dnspod.net2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 23:08:28
○ 2026-02-16 11:17:26
○ 2026-06-29 06:17:14

●NSns1.alidns.com2026-02-16 → 2026-06-29 · 3 obs

○ 2016-12-14 23:08:28
● 2026-02-16 11:17:26
● 2026-06-29 06:17:14

●NSns2.alidns.com2026-02-16 → 2026-06-29 · 3 obs

○ 2016-12-14 23:08:28
● 2026-02-16 11:17:26
● 2026-06-29 06:17:14

○MXalt1.aspmx.l.google.com2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 23:08:28
○ 2026-02-16 11:17:26
○ 2026-06-29 06:17:14

○MXalt2.aspmx.l.google.com2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 23:08:28
○ 2026-02-16 11:17:26
○ 2026-06-29 06:17:14

○MXaspmx.l.google.com2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 23:08:28
○ 2026-02-16 11:17:26
○ 2026-06-29 06:17:14

○MXaspmx2.googlemail.com2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 23:08:28
○ 2026-02-16 11:17:26
○ 2026-06-29 06:17:14

○MXaspmx3.googlemail.com2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 23:08:28
○ 2026-02-16 11:17:26
○ 2026-06-29 06:17:14

○MXmx.sendcloud.org2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 23:08:28
○ 2026-02-16 11:17:26
○ 2026-06-29 06:17:14

●MXmxbiz1.qq.com2026-02-16 → 2026-06-29 · 3 obs

○ 2016-12-14 23:08:28
● 2026-02-16 11:17:26
● 2026-06-29 06:17:14

●MXmxbiz2.qq.com2026-02-16 → 2026-06-29 · 3 obs

○ 2016-12-14 23:08:28
● 2026-02-16 11:17:26
● 2026-06-29 06:17:14

○A114.55.106.1382016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 23:08:28
○ 2026-02-16 11:17:26
○ 2026-06-29 06:17:14

●A43.134.74.1482026-02-16 → 2026-06-29 · 3 obs

○ 2016-12-14 23:08:28
● 2026-02-16 11:17:26
● 2026-06-29 06:17:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
dduwork.com	ns1.alidns.com, ns2.alidns.com	18 records

✅ Authoritative Response

Server:120.76.107.46

NS records: ns1.alidns.com, ns2.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dduwork.com (unsigned zone)

⏱️ Timing

Total: 554ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`43.134.74.148`
NS	2	`dns1.hichina.com, dns2.hichina.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
TXT	2	`v=spf1 include:one.zoho.com.cn ~all, v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`dns1.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (ns1.alidns.com, ns1.alidns.com, ns1.alidns.com...)

Analysis

IP Addresses

dduwork.com resolves to just one IP address, 43.134.74.148.

Name Servers

The NS records for dduwork.com point to four name servers: ns1.alidns.com, ns2.alidns.com, dns1.hichina.com and dns2.hichina.com.

dduwork.com partially shares its NS delegation with several other domains, including meiyewang.com, moshangwang.cn, uradiosystems.com and two others.

In DNS configurations, these name servers often share authority with ns7.alidns.com, ns8.alidns.com, expirens3.hichina.com and 5 other name servers.

DNS names with 9 IP addresses:

ns1.alidns.com points to 39.96.153.45, 39.96.153.55, 47.118.199.205 and 6 other IP addresses.

ns2.alidns.com points to 39.96.153.46, 39.96.153.56, 47.118.199.206 and 6 other IP addresses.

dns1.hichina.com points to 39.96.153.43, 39.96.153.63, 47.118.199.203 and 6 other IP addresses.

dns2.hichina.com points to 39.96.153.44, 39.96.153.54, 47.118.199.204 and 6 other IP addresses.

Mail Servers

dduwork.com is served by two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

Among the domains sharing a mail server setup with dduwork.com are cpcwinehouse.com, bcamcnc.com, charts.work and two others.

dduwork.com partially shares its mail servers with other domains, wnrencai.com and nanjingendoscope.com being examples.