cnstcd.com - robtex.com
cnstcd.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 | ||||||
| MX | hzmx01.mxmail.netease.com ⭐ | ||||||
| A | 47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| A | 47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| MX | hzmx02.mxmail.netease.com(10) | ||||||
| A | 47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| A | 47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| TXT | v=spf1 include:spf.163.com -all | ||||||
| SOA | a.ezdnscenter.comdnsadmin@ezdnscenter.com serial=1751342681 | ||||||
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=1774431112 | ||||||
Same first word
cnstcd.com |
Similar names
DNS History
5 records (5 active, 0 former)
●NSa.ezdnscenter.com2017-11-22 → 2026-03-25 · 2 obs
● 2026-03-25 09:36:20
●NSb.ezdnscenter.com2026-03-14 → 2026-03-25 · 3 obs
● 2026-03-14 16:20:40
● 2026-03-25 09:36:20
●MXhzmx01.mxmail.netease.com2026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 09:36:20
●MXhzmx02.mxmail.netease.com2026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 09:36:20
●A103.21.141.1302026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 09:36:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cnstcd.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 cnstcd.com (unsigned zone)
⏱️ Timing
Total: 3566ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.21.141.130 |
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 2 | hzmx01.mxmail.netease.com (pri: 5), hzmx02.mxmail.netease.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.163.com -all |
| 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
cnstcd.com resolves to one IP number: 103.21.141.130.
Other host names, for instance pangutea.com, dghongshulin.com, 0578x.com, njhongya.com and nbjiangxingkj.com share IP numbers with cnstcd.com.
Name Servers
cnstcd.com's delegation uses two name servers: a.ezdnscenter.com and b.ezdnscenter.com.
cnstcd.com uses the same name server setup as other domains, such as kfjgear.com, hkwww.cn, yoya.us, shenbinghao.com and huenandpartners.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.
Mail Servers
cnstcd.com is served by two mail servers hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
cnstcd.com shares the same mail server setup as other domains, for instance gjinc.net, alqh.com.cn, ottocast.tw, huafangcs.com and szyourong.com.
cnstcd.com shares at least some mail servers with other domains, for instance jlsu.edu.cn, eastastro.com and veytu.com.
Host names with two IP numbers
hzmx01.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126.
hzmx02.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126.
Names pointing to 47.251.71.119: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
Names pointing to 47.251.84.126: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.