linwencoach.com - robtex.com
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linwencoach.com
| CNAME | clb001.betterus.cc | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 39.99.135.154🇨🇳 ALIBABA-CN-NET | ||||||
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=1770918430 | ||||||
DNS History
7 records (5 active, 2 former)
○NSdns31.hichina.com2020-03-13 → 2020-03-13 · 3 obs
● 2020-03-13 22:26:48
○ 2026-02-15 22:59:10
○ 2026-02-15 22:59:14
○ 2026-02-15 22:59:10
○ 2026-02-15 22:59:14
○NSdns32.hichina.com2020-03-13 → 2020-03-13 · 3 obs
● 2020-03-13 22:26:48
○ 2026-02-15 22:59:10
○ 2026-02-15 22:59:14
○ 2026-02-15 22:59:10
○ 2026-02-15 22:59:14
●NSvip3.alidns.com2026-02-15 → 2026-02-15 · 3 obs
○ 2020-03-13 22:26:48
● 2026-02-15 22:59:10
● 2026-02-15 22:59:14
● 2026-02-15 22:59:10
● 2026-02-15 22:59:14
●NSvip4.alidns.com2026-02-15 → 2026-02-15 · 3 obs
○ 2020-03-13 22:26:48
● 2026-02-15 22:59:10
● 2026-02-15 22:59:14
● 2026-02-15 22:59:10
● 2026-02-15 22:59:14
●MXhzmx01.mxmail.netease.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 22:59:10
● 2026-02-15 22:59:14
● 2026-02-15 22:59:14
●MXhzmx02.mxmail.netease.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 22:59:10
● 2026-02-15 22:59:14
● 2026-02-15 22:59:14
●CNAMEclb001.betterus.cc2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 22:59:10
● 2026-02-15 22:59:14
● 2026-02-15 22:59:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| linwencoach.com | vip3.alidns.com, vip4.alidns.com | - |
✅ Authoritative Response
Server: 121.40.6.164
NS records: vip3.alidns.com, vip4.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linwencoach.com (unsigned zone)
⏱️ Timing
Total: 485ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | vip4.alidns.com, vip3.alidns.com |
| MX | 2 | hzmx02.mxmail.netease.com (pri: 10), hzmx01.mxmail.netease.com (pri: 5) |
| TXT | 2 | v=spf1 include:spf.qiye.aliyun.com -all, v=spf1 include:spf.163.com -all |
| CNAME | 1 | clb001.betterus.cc |
| SOA | 1 | vip3.alidns.com hostmaster.hichina.com |
AI analysis
linwencoach.com resolves to a single IP address: 39.99.135.154.