cdoi.com - dns.ninja

`cdoi.com`

DNSSEC	⚠️ Not signed
A	120.133.60.61^{🇨🇳 CMNET-BEIJING-AP120.133.56.0/21 CMI (Customer Route)}
NS	`dns25.hichina.com` ⭐
		A	2408:4009:501::33^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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	139.224.142.109^{🇨🇳 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	`dns26.hichina.com`
		A	2408:4009:501::34^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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	139.224.142.107^{🇨🇳 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	`qiye163mx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
MX	`qiye163mx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`v=spf1 include:spf.163.com -all`
SOA	`dns25.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=1784917287

Subdomains

mail.cdoi.com

Same first word

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cdoi.co.uk

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DNS History

16 records (5 active, 11 former)

●NSdns25.hichina.com2026-02-15 → 2026-07-24 · 3 obs

○ 2016-12-28 09:59:26
● 2026-02-15 17:00:36
● 2026-07-24 18:42:30

●NSdns26.hichina.com2026-02-15 → 2026-07-24 · 3 obs

○ 2016-12-28 09:59:26
● 2026-02-15 17:00:36
● 2026-07-24 18:42:30

○NSns.xinnet.cn2007-10-28 → 2007-10-28 · 3 obs

● 2007-10-28 17:06:22
○ 2015-09-03 17:58:10
○ 2026-07-24 18:42:30

○NSns.xinnetdns.com2007-10-28 → 2007-10-28 · 3 obs

● 2007-10-28 17:06:22
○ 2015-09-03 17:58:10
○ 2026-07-24 18:42:30

○NSns15.xincache.com2015-09-03 → 2016-09-09 · 5 obs

○ 2007-10-28 17:06:22
● 2015-09-03 17:58:10
● 2016-09-09 22:23:32
○ 2016-10-26 14:38:56
○ 2026-07-24 18:42:30

○NSns16.xincache.com2015-09-03 → 2016-09-09 · 5 obs

○ 2007-10-28 17:06:22
● 2015-09-03 17:58:10
● 2016-09-09 22:23:32
○ 2016-10-26 14:38:56
○ 2026-07-24 18:42:30

○NSns19.xincache.com2016-10-26 → 2016-12-28 · 5 obs

○ 2016-09-09 22:23:32
● 2016-10-26 14:38:56
● 2016-12-28 09:59:26
○ 2026-02-15 17:00:36
○ 2026-07-24 18:42:30

○NSns20.xincache.com2016-10-26 → 2016-12-28 · 5 obs

○ 2016-09-09 22:23:32
● 2016-10-26 14:38:56
● 2016-12-28 09:59:26
○ 2026-02-15 17:00:36
○ 2026-07-24 18:42:30

○MXmail.cdoi.com2007-10-28 → 2007-10-28 · 3 obs

● 2007-10-28 17:06:22
○ 2015-09-03 17:58:10
○ 2026-07-24 18:42:30

○MXmx.qiye.163.com2015-09-03 → 2016-12-28 · 5 obs

○ 2007-10-28 17:06:22
● 2015-09-03 17:58:10
● 2016-12-28 09:59:26
○ 2026-02-15 17:00:36
○ 2026-07-24 18:42:30

○MXmx2.qiye.163.com2015-09-03 → 2016-12-28 · 5 obs

○ 2007-10-28 17:06:22
● 2015-09-03 17:58:10
● 2016-12-28 09:59:26
○ 2026-02-15 17:00:36
○ 2026-07-24 18:42:30

●MXqiye163mx01.mxmail.netease.com2026-02-15 → 2026-07-24 · 6 obs

○ 2016-12-28 09:59:26
● 2026-02-15 17:00:36
● 2026-06-05 14:36:50
○ 2026-06-09 15:09:34
● 2026-06-10 03:10:30
● 2026-07-24 18:42:30

●MXqiye163mx02.mxmail.netease.com2026-02-15 → 2026-07-24 · 6 obs

○ 2016-12-28 09:59:26
● 2026-02-15 17:00:36
● 2026-06-05 14:36:50
○ 2026-06-09 15:09:34
● 2026-06-10 03:10:30
● 2026-07-24 18:42:30

●A120.133.60.612026-02-15 → 2026-07-24 · 6 obs

○ 2016-12-28 09:59:26
● 2026-02-15 17:00:36
● 2026-06-05 14:36:50
○ 2026-06-09 15:09:34
● 2026-06-10 03:10:30
● 2026-07-24 18:42:30

○A121.14.65.2162016-01-14 → 2016-12-28 · 5 obs

○ 2015-09-03 17:58:10
● 2016-01-14 00:38:42
● 2016-12-28 09:59:26
○ 2026-02-15 17:00:36
○ 2026-07-24 18:42:30

○A61.139.76.972007-10-28 → 2007-10-28 · 3 obs

● 2007-10-28 17:06:22
○ 2015-09-03 17:58:10
○ 2026-07-24 18:42:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
cdoi.com	dns25.hichina.com, dns26.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.37

NS records: dns25.hichina.com, dns26.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdoi.com (unsigned zone)

⏱️ Timing

Total: 705ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`120.133.60.61`
NS	2	`dns26.hichina.com, dns25.hichina.com`
MX	2	`qiye163mx02.mxmail.netease.com (pri: 10), qiye163mx01.mxmail.netease.com (pri: 5)`
TXT	1	`v=spf1 include:spf.163.com -all`
SOA	1	`dns25.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns25.hichina.com, dns25.hichina.com, dns25.hichina.com...)

Analysis

Hierarchy

cdoi.com is a parent domain of mail.cdoi.com.

IP Addresses

cdoi.com directs to one IP number, which is 120.133.60.61.

Among the host names that share IP numbers with cdoi.com are nbnewland.com, chonray.com, shqinzhi.com and two others.

Name Servers

The NS records for cdoi.com delegate to dns25.hichina.com and dns26.hichina.com.

cdoi.com has the same name server delegation as a number of other domains, such as sxqfgy.com, mlsmt.com, ftmetal.com and two more.

cdoi.com shares at least some of its name servers with other domains, including qscar.com, goih.cn, lenect.com and two others.

These name servers are frequently paired with the name servers expirens3.hichina.com, expirens4.hichina.com and dns8.hichina.com.

Host names resolving to 9 IP numbers:

dns25.hichina.com maps to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 additional IP addresses.

dns26.hichina.com maps to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 additional IP addresses.

Mail Servers

The MX records for cdoi.com point to two mail servers: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

cdoi.com has the same mail server arrangement as a number of other domains, for example rxin-cn.com, shlqlaser.com, plusonegame.com and two more.

cdoi.com shares at least some of its mail servers with other domains — for example hbsfqc.com, zhanwang.cn, yaodatech.com and two more.

It is common to find these mail servers paired with the mail servers hzmx01.mxmail.netease.com.

qiye163mx01.mxmail.netease.com has IP addresses 47.251.71.119 and 47.251.84.126; qiye163mx02.mxmail.netease.com has the same IP addresses: 47.251.71.119 and 47.251.84.126.

qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com each have 47.251.71.119 IP addresses.

qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com each have 47.251.84.126 IP addresses.