mx.coursetracking.com - dns.ninja
mx.coursetracking.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
coursetracking.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
Previously MX for
Same first word
Similar names
DNS History
3 records (1 active, 2 former)
●A207.148.248.1432026-03-23 → 2026-06-29 · 3 obs
○ 2017-09-29 17:26:56
● 2026-03-23 00:03:38
● 2026-06-29 11:44:30
● 2026-03-23 00:03:38
● 2026-06-29 11:44:30
○A66.96.140.1722017-09-29 → 2017-09-29 · 3 obs
● 2017-09-29 17:26:56
○ 2026-03-23 00:03:38
○ 2026-06-29 11:44:30
○ 2026-03-23 00:03:38
○ 2026-06-29 11:44:30
○A66.96.140.1732017-09-29 → 2017-09-29 · 3 obs
● 2017-09-29 17:26:56
○ 2026-03-23 00:03:38
○ 2026-06-29 11:44:30
○ 2026-03-23 00:03:38
○ 2026-06-29 11:44:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net... | - |
| coursetracking.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.4.207.204
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursetracking.com (unsigned zone)
⏱️ Timing
Total: 3271ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
IP Addresses
mx.coursetracking.com has exactly one IP address — 207.148.248.143.
cardiochamp.com, blogila.com, bseinfo.com plus two other host names have IP numbers in common with mx.coursetracking.com.