`centec-china.com`

DNSSEC	⚠️ Not signed
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	`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`⁽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	`a.ezdnscenter.com`dnsadmin@ezdnscenter.com serial=1751342687

`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=1775968357

Same first word

centec-china.com

DNS History

4 records (4 active, 0 former)

●NSa.ezdnscenter.com2018-11-14 → 2026-04-12 · 2 obs

● 2018-11-14 21:32:12
● 2026-04-12 04:41:26

●NSb.ezdnscenter.com2018-11-14 → 2026-04-12 · 2 obs

● 2018-11-14 21:32:12
● 2026-04-12 04:41:26

●MXhzmx01.mxmail.netease.com2026-04-12 → 2026-04-12 · 1 obs

● 2026-04-12 04:41:26

●MXhzmx02.mxmail.netease.com2026-04-12 → 2026-04-12 · 1 obs

● 2026-04-12 04:41:26

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:218.98.111.140

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centec-china.com (unsigned zone)

⏱️ Timing

Total: 645ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`a.ezdnscenter.com, b.ezdnscenter.com`
MX	2	`hzmx02.mxmail.netease.com (pri: 10), hzmx01.mxmail.netease.com (pri: 5)`
TXT	1	`v=spf1 include:spf.163.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

Name Servers

centec-china.com is delegated to two name servers a.ezdnscenter.com and b.ezdnscenter.com.

centec-china.com shares the same name server setup as other domains, for instance enxl.com, zjsmarter.com, xyyoule.com, hans-trans.com and tanki.cn.

Two IP numbers for a host: b.ezdnscenter.com points to 183.253.57.210 and 211.99.99.58.

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

Mail Servers

Two mail servers handle centec-china.com: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

centec-china.com shares the same mail server setup as other domains, for instance cdhljqr.com, tripoden.com, cdguangjue.com, dgbsdy.com and xwod.com.

centec-china.com shares mail servers with other domains to some extent, for instance zskcms.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 and hzmx02.mxmail.netease.com

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

centec-china.com - robtex.com

centec-china.com

com