`chendongtech.com`

DNSSEC	⚠️ Not signed
A	47.88.1.188^{🇺🇸 Alibaba-Cloud47.88.0.0/18 Alibaba Cloud}
NS	`a.ezdnscenter.com` ⭐
		A	218.98.111.140^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`b.ezdnscenter.com`
		A	183.253.57.210^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
		A	211.99.99.58^{🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object}
MX	`mxn.mxhichina.com` ⭐
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object}
			PTR	`reachsmartdwell.com`
TXT	`v=spf1 include:spf.mxhichina.com -all`
SOA	`a.ezdnscenter.com`dnsadmin@ezdnscenter.com serial=1774922186

`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=1778690331

Same first word

chendongtech.com

DNS History

12 records (5 active, 7 former)

●NSa.ezdnscenter.com2026-02-22 → 2026-05-13 · 3 obs

○ 2020-03-21 19:16:08
● 2026-02-22 19:32:48
● 2026-05-13 16:48:34

●NSb.ezdnscenter.com2026-02-22 → 2026-05-13 · 3 obs

○ 2020-03-21 19:16:08
● 2026-02-22 19:32:48
● 2026-05-13 16:48:34

○NSns1.ezdnscenter.com2015-08-08 → 2020-03-21 · 4 obs

● 2015-08-08 14:19:58
● 2020-03-21 19:16:08
○ 2026-02-22 19:32:48
○ 2026-05-13 16:48:34

○NSns2.ezdnscenter.com2015-08-08 → 2020-03-21 · 4 obs

● 2015-08-08 14:19:58
● 2020-03-21 19:16:08
○ 2026-02-22 19:32:48
○ 2026-05-13 16:48:34

○NSns3.ezdnscenter.com2015-08-08 → 2020-03-21 · 4 obs

● 2015-08-08 14:19:58
● 2020-03-21 19:16:08
○ 2026-02-22 19:32:48
○ 2026-05-13 16:48:34

○NSns4.ezdnscenter.com2015-08-08 → 2020-03-21 · 4 obs

● 2015-08-08 14:19:58
● 2020-03-21 19:16:08
○ 2026-02-22 19:32:48
○ 2026-05-13 16:48:34

○NSns5.ezdnscenter.com2015-08-08 → 2020-03-21 · 4 obs

● 2015-08-08 14:19:58
● 2020-03-21 19:16:08
○ 2026-02-22 19:32:48
○ 2026-05-13 16:48:34

○NSns6.ezdnscenter.com2015-08-08 → 2020-03-21 · 4 obs

● 2015-08-08 14:19:58
● 2020-03-21 19:16:08
○ 2026-02-22 19:32:48
○ 2026-05-13 16:48:34

●MXmxn.mxhichina.com2015-08-08 → 2026-05-13 · 2 obs

● 2015-08-08 14:19:58
● 2026-05-13 16:48:34

●MXmxw.mxhichina.com2015-08-08 → 2026-05-13 · 2 obs

● 2015-08-08 14:19:58
● 2026-05-13 16:48:34

○A121.199.68.1372015-08-08 → 2026-02-22 · 3 obs

● 2015-08-08 14:19:58
● 2026-02-22 19:32:48
○ 2026-05-13 16:48:34

●A47.88.1.1882026-05-13 → 2026-05-13 · 2 obs

○ 2026-02-22 19:32:48
● 2026-05-13 16:48:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...	-
chendongtech.com	a.ezdnscenter.com, b.ezdnscenter.com	3 records

✅ Authoritative Response

Server:183.253.57.210

NS records: a.ezdnscenter.com, b.ezdnscenter.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chendongtech.com (unsigned zone)

⏱️ Timing

Total: 1106ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.88.1.188`
NS	2	`a.ezdnscenter.com, b.ezdnscenter.com`
MX	2	`mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mxhichina.com -all`
SOA	1	`a.ezdnscenter.com dnsadmin.ezdnscenter.c`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (a.ezdnscenter.com, b.ezdnscenter.com, b.ezdnscenter.com)

Analysis

IP Addresses

chendongtech.com maps to IP address 47.88.1.188.

Other host names for instance cdt-en.com and www.cdt-en.com share IP numbers with chendongtech.com.

Name Servers

Two name servers a.ezdnscenter.com and b.ezdnscenter.com are delegated to chendongtech.com.

chendongtech.com uses the same name server configuration as other domains, such as guolvchina.com, dm173.com, corefra.com, shskht.com and iesb.org.cn.

Host names by IP count:

Two IP numbers: The host name b.ezdnscenter.com points to 183.253.57.210 and 211.99.99.58.

One IP number: The host name a.ezdnscenter.com points to 218.98.111.140.

Mail Servers

Two mail servers handle chendongtech.com: mxn.mxhichina.com and mxw.mxhichina.com.

chendongtech.com shares the same mail server setup as other domains, including anovel.club, junbohui.com, szqumei.com, amilmopcba.com and zhongjumedia.com.

chendongtech.com shares mail servers with other domains at least in part, for instance ceeia.com, jeecook.com, bilpub.com, zhaostar.com and mrcafe.cn.

Host names by IP count:

Two IP numbers: The host name mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.

One IP number: The host name mxw.mxhichina.com points to 47.246.99.195.

chendongtech.com - robtex.com