`chengnanjz.com`

DNSSEC	⚠️ Not signed
A	103.21.141.130^{🇨🇳 SHANGHAITELECOM103.21.140.0/23 Chinanet Shanghai}
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}
SOA	`a.ezdnscenter.com`dnsadmin@ezdnscenter.com serial=1751342715

`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=1778590481

Same first word

chengnanjz.com

DNS History

4 records (3 active, 1 former)

●NSa.ezdnscenter.com2016-12-17 → 2026-05-12 · 2 obs

● 2016-12-17 01:29:14
● 2026-05-12 13:20:18

●NSb.ezdnscenter.com2016-12-17 → 2026-05-12 · 4 obs

● 2016-12-17 01:29:14
○ 2017-10-09 00:29:14
● 2026-04-15 02:22:48
● 2026-05-12 13:20:18

●A103.21.141.1302026-04-15 → 2026-05-12 · 3 obs

○ 2017-10-09 00:29:14
● 2026-04-15 02:22:48
● 2026-05-12 13:20:18

○A43.230.142.1252017-10-09 → 2017-10-09 · 3 obs

● 2017-10-09 00:29:14
○ 2026-04-15 02:22:48
○ 2026-05-12 13:20:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
chengnanjz.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 chengnanjz.com (unsigned zone)

⏱️ Timing

Total: 2659ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.21.141.130`
NS	2	`a.ezdnscenter.com, b.ezdnscenter.com`
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

chengnanjz.com points to a single IP number: 103.21.141.130.

Other host names, for instance zver.cn, shylawyer.com, aice17.com, jidong-valve.com and szcddq.com share IP numbers with chengnanjz.com.

Name Servers

Delegation for chengnanjz.com rests with two name servers, a.ezdnscenter.com and b.ezdnscenter.com.

chengnanjz.com shares the same name server setup as other domains, including longyangpump.com, gfcfg.net, jandarcloud.com, dhcs.com.cn and itqianyan.com.

Host names with two IP numbers:

b.ezdnscenter.com points to 183.253.57.210 and 211.99.99.58.

Host names with one IP number:

a.ezdnscenter.com points to 218.98.111.140.

chengnanjz.com - robtex.com

chengnanjz.com

com