mx1.si-tech.com.cn - robtex.com
mx1.si-tech.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.142.86.176🇨🇳 CHINANET-BJ-METRO219.142.0.0/17 BJTELECOM | ||||||
si-tech.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns3.hichina.com ⚠️ Not in zone NS records | ||||||
| NS | dns4.hichina.com ⚠️ Not in zone NS records | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A219.142.86.1762026-02-18 → 2026-08-04 · 5 obs
● 2026-02-18 11:15:52
● 2026-05-18 08:30:40
○ 2026-07-10 06:51:14
● 2026-07-12 07:45:58
● 2026-08-04 10:10:18
● 2026-05-18 08:30:40
○ 2026-07-10 06:51:14
● 2026-07-12 07:45:58
● 2026-08-04 10:10:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| si-tech.com.cn | dns3.hichina.com, dns4.hichina.com | - |
✅ Authoritative Response
Server:39.96.153.43
NS records: dns3.hichina.com, dns4.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for si-tech.com.cn (unsigned zone)
⏱️ Timing
Total: 1730ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.142.86.176 |
Analysis
Mail Server Role
The mail server mx1.si-tech.com.cn processes email for si-tech.com.cn.
mx152.si-tech.com.cn is a mail server commonly deployed alongside mx1.si-tech.com.cn.
IP Addresses
mx1.si-tech.com.cn resolves to just one IP address, 219.142.86.176.
Host names like mx219.tiancloud.com are further examples that share IP numbers with mx1.si-tech.com.cn.