mx.three-a.cn - robtex.com
mx.three-a.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 218.107.207.76🇨🇳 CHINA169-Backbone218.107.192.0/19 CNCGroup CHINA169 FuJian province network | ||||||
| PTR | smail152.cn4e.com | ||||||
three-a.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.91.130.21🇭🇰 Alibaba-Cloud47.91.128.0/18 Alibaba Cloud | ||||||
| NS | ns1.35.net ⭐ | ||||||
| NS | ns2.35.net | ||||||
| NS | ns3.35.net | ||||||
| NS | ns4.35.net | ||||||
| MX | mx.three-a.cn ⭐ | ||||||
| TXT | v=spf1 include:spf.cn4e.com -all | ||||||
| SOA | ns1.35.netdnsconct@myhostadmin.net 2025-05-21 #2 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A218.107.207.762026-02-22 → 2026-03-26 · 3 obs
○ 2016-01-05 00:59:14
● 2026-02-22 06:15:54
● 2026-03-26 03:09:16
● 2026-02-22 06:15:54
● 2026-03-26 03:09:16
○A218.107.216.1472015-06-15 → 2016-01-05 · 4 obs
● 2015-06-15 03:18:30
● 2016-01-05 00:59:14
○ 2026-02-22 06:15:54
○ 2026-03-26 03:09:16
● 2016-01-05 00:59:14
○ 2026-02-22 06:15:54
○ 2026-03-26 03:09:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn... | - |
| three-a.cn | ns1.35.net, ns2.35.net, ns3.35.net, ns4.35.net | - |
✅ Authoritative Response
Server:118.123.253.132
NS records: ns1.35.net, ns2.35.net, ns3.35.net, ns4.35.net
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at three-a.cn: Error: DNS query timeout: 203.119.29.1 for DS three-a.cn
⏱️ Timing
Total: 4675ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 218.107.207.76 |
Analysis
Mail Server Role
mx.three-a.cn serves as the mail server for three-a.cn.
IP Addresses
mx.three-a.cn points to a single IP: 218.107.207.76.
Other host names, for instance mx.jner.com, mx.xzfjgs.com, mail.mtkc.com, mx.lydl.cc and mx.sangxia.net share IP numbers with mx.three-a.cn.