`cdugreat.com`

DNSSEC	⚠️ Not signed
A	47.109.183.162^{🇨🇳 Alibaba-Cloud47.109.0.0/16}
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	`hzmx01.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	`hzmx02.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}
TXT	`v=spf1 include:spf.163.com -all`
SOA	`dns25.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=1774526022

Same first word

cdugreat.com

Similar names

ducretag.ch

guardtec.com

getucard.com

tecguard.net

tecguard.com

DNS History

17 records (5 active, 12 former)

●NSdns25.hichina.com2026-03-18 → 2026-03-26 · 3 obs

○ 2017-05-22 19:05:06
● 2026-03-18 05:03:50
● 2026-03-26 12:23:42

●NSdns26.hichina.com2026-03-18 → 2026-03-26 · 3 obs

○ 2017-05-22 19:05:06
● 2026-03-18 05:03:50
● 2026-03-26 12:23:42

○NSns.95ns.com2015-05-17 → 2015-10-19 · 4 obs

● 2015-05-17 00:13:46
● 2015-10-19 16:11:00
○ 2015-12-16 13:08:06
○ 2026-03-26 12:23:42

○NSns.95ns.net2015-05-17 → 2015-10-19 · 4 obs

● 2015-05-17 00:13:46
● 2015-10-19 16:11:00
○ 2015-12-16 13:08:06
○ 2026-03-26 12:23:42

○NSns1.ezdnscenter.com2015-12-16 → 2017-05-22 · 5 obs

○ 2015-10-19 16:11:00
● 2015-12-16 13:08:06
● 2017-05-22 19:05:06
○ 2026-03-18 05:03:50
○ 2026-03-26 12:23:42

○NSns2.ezdnscenter.com2015-12-16 → 2017-05-22 · 5 obs

○ 2015-10-19 16:11:00
● 2015-12-16 13:08:06
● 2017-05-22 19:05:06
○ 2026-03-18 05:03:50
○ 2026-03-26 12:23:42

○NSns3.ezdnscenter.com2015-12-16 → 2017-05-22 · 5 obs

○ 2015-10-19 16:11:00
● 2015-12-16 13:08:06
● 2017-05-22 19:05:06
○ 2026-03-18 05:03:50
○ 2026-03-26 12:23:42

○NSns4.ezdnscenter.com2015-12-16 → 2017-05-22 · 5 obs

○ 2015-10-19 16:11:00
● 2015-12-16 13:08:06
● 2017-05-22 19:05:06
○ 2026-03-18 05:03:50
○ 2026-03-26 12:23:42

○NSns5.ezdnscenter.com2015-12-16 → 2017-05-22 · 5 obs

○ 2015-10-19 16:11:00
● 2015-12-16 13:08:06
● 2017-05-22 19:05:06
○ 2026-03-18 05:03:50
○ 2026-03-26 12:23:42

○NSns6.ezdnscenter.com2015-12-16 → 2017-05-22 · 5 obs

○ 2015-10-19 16:11:00
● 2015-12-16 13:08:06
● 2017-05-22 19:05:06
○ 2026-03-18 05:03:50
○ 2026-03-26 12:23:42

●MXhzmx01.mxmail.netease.com2026-03-18 → 2026-03-26 · 3 obs

○ 2017-05-22 19:05:06
● 2026-03-18 05:03:50
● 2026-03-26 12:23:42

●MXhzmx02.mxmail.netease.com2026-03-18 → 2026-03-26 · 3 obs

○ 2017-05-22 19:05:06
● 2026-03-18 05:03:50
● 2026-03-26 12:23:42

○MXmx.ym.163.com2015-05-17 → 2017-05-22 · 4 obs

● 2015-05-17 00:13:46
● 2017-05-22 19:05:06
○ 2026-03-18 05:03:50
○ 2026-03-26 12:23:42

○A192.69.210.2462015-12-16 → 2016-03-27 · 5 obs

○ 2015-10-19 16:11:00
● 2015-12-16 13:08:06
● 2016-03-27 17:02:20
○ 2016-10-31 01:49:00
○ 2026-03-26 12:23:42

○A206.161.218.342015-05-17 → 2015-10-19 · 4 obs

● 2015-05-17 00:13:46
● 2015-10-19 16:11:00
○ 2015-12-16 13:08:06
○ 2026-03-26 12:23:42

○A23.234.27.332016-10-31 → 2017-05-22 · 5 obs

○ 2016-03-27 17:02:20
● 2016-10-31 01:49:00
● 2017-05-22 19:05:06
○ 2026-03-18 05:03:50
○ 2026-03-26 12:23:42

●A47.109.183.1622026-03-18 → 2026-03-26 · 3 obs

○ 2017-05-22 19:05:06
● 2026-03-18 05:03:50
● 2026-03-26 12:23:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cdugreat.com	dns25.hichina.com, dns26.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.39

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdugreat.com (unsigned zone)

⏱️ Timing

Total: 947ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.109.183.162`
NS	2	`dns26.hichina.com, dns25.hichina.com`
MX	2	`hzmx01.mxmail.netease.com (pri: 1), hzmx02.mxmail.netease.com (pri: 1)`
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

IP Addresses

cdugreat.com points to a single IP number: 47.109.183.162.

Name Servers

Delegation for cdugreat.com rests with two name servers, dns25.hichina.com and dns26.hichina.com.

cdugreat.com shares the same name server setup as other domains, including 000797.com, f1hd.com, 00996.net, onlinemall.top and shahetong.com.

cdugreat.com at least partially shares name servers with other domains, for instance kelitai.com, theimsinstitute.org.cn, qteam.info, vanda360.com and 51share.org.

These name servers are commonly used alongside expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers:

dns25.hichina.com points to: 2408:4009:501::33, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.

dns26.hichina.com points to: 2408:4009:501::34, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

Mail Servers

cdugreat.com is handled by two mail servers: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

cdugreat.com uses the same mail server configuration as other domains, such as xle123.com, ny-bio.com, tackmachinery.com, hicoolac.com and sdlthose.com.

cdugreat.com shares at least some mail servers with other domains, for instance bartuda.com, greenroad.com.cn, inmoldlabel.net and jxjse.com.

Host names with two IP numbers:

hzmx01.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126.

hzmx02.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126.

Host names pointing to 47.251.71.119: hzmx01.mxmail.netease.com, hzmx02.mxmail.netease.com.

Host names pointing to 47.251.84.126: hzmx01.mxmail.netease.com, hzmx02.mxmail.netease.com.

cdugreat.com - robtex.com

cdugreat.com

com

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

`cdugreat.com`

`com`