4fcx.cn - robtex.com
4fcx.cn
| 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 | mxbiz1.qq.com ⭐ | ||||||
| SOA | a.ezdnscenter.comdnsadmin@ezdnscenter.com serial=1769757876 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034583043 | ||||||
Same first word
4fcx.cn |
Similar names
DNS History
3 records (3 active, 0 former)
●NSa.ezdnscenter.com2026-03-17 → 2026-03-24 · 2 obs
● 2026-03-24 21:11:52
●NSb.ezdnscenter.com2026-03-17 → 2026-03-24 · 2 obs
● 2026-03-24 21:11:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 4fcx.cn | a.ezdnscenter.com, b.ezdnscenter.com | - |
✅ Authoritative Response
Server:218.98.111.140
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4fcx.cn (unsigned zone)
⏱️ Timing
Total: 3669ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 1 | mxbiz1.qq.com (pri: 5) |
| SOA | 1 | a.ezdnscenter.com dnsadmin.ezdnscenter.c |
Analysis
Name Servers
4fcx.cn is delegated to two name servers a.ezdnscenter.com and b.ezdnscenter.com.
4fcx.cn shares the same name server setup as other domains, for instance micmart.net, tdcode.com, sms-cly.net, wxjty.com and zopvip.com.
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
4fcx.cn is handled by a single mail server, mxbiz1.qq.com.
4fcx.cn shares the same mail server setup as other domains, for instance shellra.com, lphiz.com, googo.us, daream.com and umitao.com.
4fcx.cn shares some mail servers with other domains, at least partially, for instance uued.cn, cc918.com, iheya.cn, datasourceservice.com and hankgo.com.
these mail servers are commonly used with the mail servers mxbiz2.qq.com.