bf.sgpstudy.com - robtex.com
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bf.sgpstudy.com
| CNAME | n3.cd778.com | ||||||
| CNAME | k1vfd7xz.hdwje.cdn778.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
sgpstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns9.hichina.com ⭐ | ||||||
| NS | dns10.hichina.com | ||||||
| SOA | dns9.hichina.comhostmaster@hichina.com 2026-01-09 #13 | ||||||
Same first word
Similar names
DNS History
3 records (1 active, 2 former)
○NSns1.51dns.com2015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 02:28:18
○ 2016-03-23 09:09:02
○ 2026-02-19 01:09:10
○ 2016-03-23 09:09:02
○ 2026-02-19 01:09:10
○A103.232.215.1332015-12-20 → 2015-12-20 · 3 obs
● 2015-12-20 12:09:10
○ 2016-03-23 09:09:02
○ 2026-02-19 01:09:10
○ 2016-03-23 09:09:02
○ 2026-02-19 01:09:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sgpstudy.com | dns9.hichina.com, dns10.hichina.com | 18 records |
✅ Authoritative Response
Server: 120.76.107.41
NS records: dns9.hichina.com, dns10.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sgpstudy.com (unsigned zone)
⏱️ Timing
Total: 804ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | n3.cd778.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)