sinotechoptics.com - robtex.com
sinotechoptics.com
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=1771291435 | ||||||
Same first word
sinotechoptics.com |
DNS History
5 records (5 active, 0 former)
●NSdns27.hichina.com2026-03-21 → 2026-03-22 · 2 obs
● 2026-03-22 19:38:00
●NSdns28.hichina.com2026-03-21 → 2026-03-22 · 2 obs
● 2026-03-22 19:38:00
●MXhzmx01.mxmail.netease.com2026-03-21 → 2026-03-22 · 2 obs
● 2026-03-22 19:38:00
●MXhzmx02.mxmail.netease.com2026-03-21 → 2026-03-22 · 2 obs
● 2026-03-22 19:38:00
●A182.92.241.1962026-03-21 → 2026-03-22 · 2 obs
● 2026-03-22 19:38:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net... | - |
| sinotechoptics.com | dns27.hichina.com, dns28.hichina.com | 18 records |
✅ Authoritative Response
Server: 120.76.107.39
NS records: dns27.hichina.com, dns28.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sinotechoptics.com (unsigned zone)
⏱️ Timing
Total: 610ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 182.92.241.196 |
| NS | 2 | dns28.hichina.com, dns27.hichina.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 | dns27.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns27.hichina.com, dns27.hichina.com, dns27.hichina.com...)
Analysis
IP Addresses
sinotechoptics.com points to a single IP: 182.92.241.196.
Name Servers
Two name servers dns27.hichina.com and dns28.hichina.com handle delegation for sinotechoptics.com.
sinotechoptics.com uses the same name server setup as other domains, for example baxsun.com.cn, taoseek.com, ransu.cn, shinawin.com and macrostrike.com.
sinotechoptics.com partially shares name servers with other domains, such as dajn.com and ibank.cn.
These name servers are often used with the name servers ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers:
dns27.hichina.com points to: 2408:4009:501::35, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.
dns28.hichina.com points to: 2408:4009:501::36, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.
Mail Servers
sinotechoptics.com is handled by two mail servers: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
sinotechoptics.com has the same mail server setup as other domains, including dgendr.com, tjjdaz.com, jhmtec.com, youlyy.com and cnnfreight.com.
sinotechoptics.com shares some mail servers with other domains at least partially, for example cctrqgs.com, miura-cn.com, ppw.cn and sabaw.cn.
Host names with two IPs
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 that point to 47.251.71.119: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
Host names that point to 47.251.84.126: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.