`hdsdedu.com`

DNSSEC	⚠️ Not signed
A	122.144.200.26^{🇨🇳 STN-CN122.144.200.0/22 Route of shanghai science and technology network communication limited company}
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=1751342675

`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=1778811906

Same first word

hdsdedu.com

Similar names

ddedush.cn

ddedush.com

DNS History

4 records (3 active, 1 former)

●NSa.ezdnscenter.com2017-08-10 → 2026-05-15 · 2 obs

● 2017-08-10 04:14:28
● 2026-05-15 02:48:34

●NSb.ezdnscenter.com2026-04-07 → 2026-05-15 · 3 obs

○ 2017-08-10 04:14:28
● 2026-04-07 18:25:04
● 2026-05-15 02:48:34

●A122.144.200.262026-04-07 → 2026-05-15 · 3 obs

○ 2017-08-10 04:14:28
● 2026-04-07 18:25:04
● 2026-05-15 02:48:34

○A203.156.205.872017-08-10 → 2017-08-10 · 3 obs

● 2017-08-10 04:14:28
○ 2026-04-07 18:25:04
○ 2026-05-15 02:48:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net...	-
hdsdedu.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 hdsdedu.com (unsigned zone)

⏱️ Timing

Total: 3600ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`122.144.200.26`
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

hdsdedu.com maps to IP address 122.144.200.26.

Name Servers

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

hdsdedu.com uses the same name server configuration as other domains, such as zjicpcc.cn, lixpad.com, wblcsw.com, hzylzs.net and tal-china.com.

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.

hdsdedu.com - robtex.com

hdsdedu.com

com