biiiu.cn - robtex.com
biiiu.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 ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| SOA | a.ezdnscenter.comdnsadmin@ezdnscenter.com serial=1751342696 | ||||||
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=2035059927 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSa.ezdnscenter.com2026-06-01 → 2026-07-19 · 2 obs
● 2026-07-19 10:43:36
●NSb.ezdnscenter.com2026-06-01 → 2026-07-19 · 2 obs
● 2026-07-19 10:43:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, b.dns.cn, e.dns.cn, a.dns.cn... | - |
| biiiu.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 biiiu.cn (unsigned zone)
⏱️ Timing
Total: 2781ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | a.ezdnscenter.com dnsadmin.ezdnscenter.c |
Analysis
Name Servers
biiiu.cn has two authoritative name servers — a.ezdnscenter.com and b.ezdnscenter.com.
biiiu.cn uses the same name servers as several other domains — among them desihom.com, electronic-safe.com, uncmd.com and two more.
Hostnames that resolve to two IP addresses:
b.ezdnscenter.com resolves to 183.253.57.210 and 211.99.99.58.
Hosts with just one IP address:
a.ezdnscenter.com resolves to 218.98.111.140.
Mail Servers
Mail for biiiu.cn is handled by two mail servers — mxbiz1.qq.com and mxbiz2.qq.com.
biiiu.cn uses an identical mail server configuration to several other domains — among them 95cxmd.com, kdspace.com, yilongindustry.com and two more.
biiiu.cn has at least partial mail server overlap with other domains such as futureschina.com, chinafortune.com.cn, jacketw.com and two more.