zwdus.com - robtex.com
zwdus.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.comdnsadmin@ezdnscenter.com serial=1768196160 | ||||||
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.netnstld@verisign-grs.com serial=1778445126 | ||||||
Subdomains
Same first word
zwdus.com |
Similar names
DNS History
3 records (3 active, 0 former)
●NSa.ezdnscenter.com2026-03-20 → 2026-05-10 · 2 obs
● 2026-05-10 21:02:08
●NSb.ezdnscenter.com2026-03-20 → 2026-05-10 · 2 obs
● 2026-05-10 21:02:08
●A103.21.141.1302026-03-20 → 2026-05-10 · 2 obs
● 2026-05-10 21:02:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net... | - |
| zwdus.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 zwdus.com (unsigned zone)
⏱️ Timing
Total: 1737ms | 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
Hierarchy
zwdus.com is a parent of www.zwdus.com and m.zwdus.com.
IP Addresses
zwdus.com maps to IP address 103.21.141.130.
Other host names, for instance hengyaex.com, wuasc.com, anischools.com, xniu.net and zjhuirong.com share IP numbers with zwdus.com.
Name Servers
Two name servers a.ezdnscenter.com and b.ezdnscenter.com are delegated to zwdus.com.
zwdus.com uses the same name server configuration as other domains, such as 93222222hk.com, mingtuzhichan.com, ksxhzz.com, yindecs.com and vmoco.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.