nullmx.kscbt.com - robtex.com
nullmx.kscbt.com
| DNSSEC | ⚠️ Not signed | ||||||
kscbt.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns3.hichina.com ⭐ | ||||||
| NS | dns4.hichina.com | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| SOA | dns3.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (0 active, 1 former)
○A47.89.39.982016-06-23 → 2016-06-23 · 2 obs
● 2016-06-23 19:08:18
○ 2026-04-28 19:51:00
○ 2026-04-28 19:51:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| kscbt.com | dns3.hichina.com, dns4.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.43
NS records: dns3.hichina.com, dns4.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kscbt.com (unsigned zone)
⏱️ Timing
Total: 502ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns3.hichina.com, dns3.hichina.com, dns3.hichina.com...)