duook.com - dns.ninja

`duook.com`

DNSSEC	⚠️ Not signed
A	47.100.185.191^{🇨🇳 Alibaba-Cloud47.100.0.0/15}
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}
		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	`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}
		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	`dns13.hichina.com`hostmaster@hichina.com 2026-04-10 #11

`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=1783930452

Subdomains

www.duook.com

Same first word

duook.com

Similar names

odoku.com

okduo.com

dooku.de

okoud.com

koudo.cn

koduo.com

odoku.de

oduko.com

koodu.es

kodou.my

okodu.com

duoko.be

kooud.com

duoko.com

okudo.net

koodu.app.br

dooku.hu

dooku.ro

kodou.cn

dokou.com

ukodo.com

dooku.net

kudoo.com

dokuo.com

kudoo.de

dokuo.jp

udoko.com

udook.com

kodou.com

kudoo.io

dooku.org

dukoo.de

koodu.co.uk

koodu.in

odoku.hatenablog.com

koudo.ca

dukoo.net

dooku.us

koodu.com

kodou.io

douko.cn

kudoo.net

douko.com

dooku.com

okudo.org

dukoo.cn

okudo.app

kuodo.com

DNS History

13 records (5 active, 8 former)

○NSdns1.iidns.com2015-07-25 → 2015-07-25 · 4 obs

○ 2008-03-09 23:34:46
● 2015-07-25 12:19:50
○ 2016-04-23 23:38:04
○ 2026-07-13 08:19:50

●NSdns13.hichina.com2026-03-04 → 2026-07-13 · 3 obs

○ 2016-04-23 23:38:04
● 2026-03-04 15:05:32
● 2026-07-13 08:19:50

●NSdns14.hichina.com2026-03-04 → 2026-07-13 · 3 obs

○ 2016-04-23 23:38:04
● 2026-03-04 15:05:32
● 2026-07-13 08:19:50

○NSdns15.hichina.com2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 23:34:46
○ 2015-07-25 12:19:50
○ 2026-07-13 08:19:50

○NSdns16.hichina.com2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 23:34:46
○ 2015-07-25 12:19:50
○ 2026-07-13 08:19:50

○NSn3158.ns.yunjiasu.com2016-04-23 → 2016-04-23 · 4 obs

○ 2015-07-25 12:19:50
● 2016-04-23 23:38:04
○ 2026-03-04 15:05:32
○ 2026-07-13 08:19:50

○NSn378.ns.yunjiasu.com2016-04-23 → 2016-04-23 · 4 obs

○ 2015-07-25 12:19:50
● 2016-04-23 23:38:04
○ 2026-03-04 15:05:32
○ 2026-07-13 08:19:50

●MXmxbiz1.qq.com2026-03-04 → 2026-07-13 · 2 obs

● 2026-03-04 15:05:32
● 2026-07-13 08:19:50

●MXmxbiz2.qq.com2026-03-04 → 2026-07-13 · 2 obs

● 2026-03-04 15:05:32
● 2026-07-13 08:19:50

○A112.29.170.972017-07-07 → 2017-07-07 · 4 obs

○ 2015-07-25 12:19:50
● 2017-07-07 14:51:52
○ 2026-03-04 15:05:32
○ 2026-07-13 08:19:50

○A218.244.152.362008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 23:34:46
○ 2015-07-25 12:19:50
○ 2026-07-13 08:19:50

●A47.100.185.1912026-03-04 → 2026-07-13 · 3 obs

○ 2017-07-07 14:51:52
● 2026-03-04 15:05:32
● 2026-07-13 08:19:50

○A61.191.188.1292015-07-25 → 2015-07-25 · 4 obs

○ 2008-03-09 23:34:46
● 2015-07-25 12:19:50
○ 2017-07-07 14:51:52
○ 2026-07-13 08:19:50

🔍 DNS Trace

Analysis

Hierarchy

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

IP Addresses

duook.com has exactly one IP address — 47.100.185.191.

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

Name Servers

duook.com is served by two delegated name servers, dns13.hichina.com and dns14.hichina.com.

The name server configuration of duook.com is shared with other domains, for instance wieie.cn, zohd.net, protanle.com and two others.

The name servers for duook.com are at least partly shared with other domains such as jishu.tv, taosudi.com, guojiren.com and yishushanxi.com.

It is common to see these name servers used together with name servers expirens3.hichina.com and expirens4.hichina.com.

Hosts with 9 IP addresses each:

dns13.hichina.com carries IP addresses 39.96.153.42, 39.96.153.52 and 47.118.199.202, with 6 other addresses beyond those.

dns14.hichina.com carries IP addresses 39.96.153.41, 39.96.153.51 and 47.118.199.201, with 6 other addresses beyond those.

Mail Servers

duook.com uses two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup of duook.com matches that of other domains such as xpeaks.com, gaojun.net, seylen.com and two others.

At least some of the mail servers used by duook.com are shared with other domains: pdltc.com, cloudminds.com, uokad.com and two others among them.