std-tech.cn - robtex.com
std-tech.cn
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=2034673141 | ||||||
Same first word
std-tech.cn |
Similar names
DNS History
4 records (4 active, 0 former)
●MXhzmx01.mxmail.netease.com2026-03-27 → 2026-04-15 · 2 obs
● 2026-04-15 11:53:06
●MXhzmx02.mxmail.netease.com2026-03-27 → 2026-04-15 · 2 obs
● 2026-04-15 11:53:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn... | - |
| std-tech.cn | ns1.bdydns.cn, ns2.bdydns.cn | 4 records |
✅ Authoritative Response
Server:112.80.248.202
NS records: ns1.bdydns.cn, ns2.bdydns.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for std-tech.cn (unsigned zone)
⏱️ Timing
Total: 4265ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.bdydns.cn, ns1.bdydns.cn |
| MX | 2 | hzmx02.mxmail.netease.com (pri: 10), hzmx01.mxmail.netease.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.qiye.163.com -all |
| SOA | 1 | ns1.bdydns.cn sa.dudns.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.bdydns.cn, ns2.bdydns.cn, ns2.bdydns.cn...)
Analysis
Name Servers
std-tech.cn is delegated to two name servers ns1.bdydns.cn and ns2.bdydns.cn.
std-tech.cn shares the same name server setup as other domains, for instance 3016.com, deliist.com, sydtek.com, kas.cn and taoding.cn.
Host names with four IP numbers: The host name ns2.bdydns.cn points to 240e:940:603:5:0:ff:b0cf:479b, 14.215.177.154, 112.80.248.202 and 119.75.222.53.
Host names with three IP numbers: The host name ns1.bdydns.cn points to 240e:940:603:3:0:ff:b05b:137e, 180.97.36.63 and 183.232.231.249.
Mail Servers
Two mail servers handle std-tech.cn: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
std-tech.cn shares the same mail server setup as other domains, for instance faucetqingze.com, qibi.org, 18idc.com, iplook.com and isub.net.
std-tech.cn shares some mail servers with other domains, at least partially, for instance jm-rj.com, jdkqys.com, tju.edu.cn, gdtramo.com and zhuozhengsoft.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
Host names pointing to 47.251.71.119: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com
Host names pointing to 47.251.84.126: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com