coursetracking.com - dns.ninja
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 | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
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=1782646925 | ||||||
Subdomains
mx.coursetracking.com |
Same first word
coursetracking.com |
Similar names
DNS History
9 records (3 active, 6 former)
○NSdns.site5.com2008-03-08 → 2008-03-08 · 3 obs
○ 2015-10-17 01:16:58
○ 2026-06-28 11:54:32
○NSdns2.site5.com2008-03-08 → 2008-03-08 · 3 obs
○ 2015-10-17 01:16:58
○ 2026-06-28 11:54:32
●NSns.buydomains.com2026-02-18 → 2026-06-28 · 3 obs
● 2026-02-18 02:52:10
● 2026-06-28 11:54:32
○NSns1.domain.com2017-09-29 → 2017-09-29 · 4 obs
● 2017-09-29 17:26:42
○ 2026-02-18 02:52:10
○ 2026-06-28 11:54:32
○NSns2.domain.com2017-09-29 → 2017-09-29 · 4 obs
● 2017-09-29 17:26:42
○ 2026-02-18 02:52:10
○ 2026-06-28 11:54:32
●NSthis-domain-for-sale.com2026-02-18 → 2026-06-28 · 3 obs
● 2026-02-18 02:52:10
● 2026-06-28 11:54:32
○MXmx.coursetracking.com2017-09-29 → 2017-09-29 · 3 obs
○ 2026-02-18 02:52:10
○ 2026-06-28 11:54:32
●A207.148.248.1432026-02-18 → 2026-06-28 · 3 obs
● 2026-02-18 02:52:10
● 2026-06-28 11:54:32
○A66.96.162.1312017-09-29 → 2017-09-29 · 3 obs
○ 2026-02-18 02:52:10
○ 2026-06-28 11:54:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, i.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: 3206ms | 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
Hierarchy
coursetracking.com is the parent zone for mx.coursetracking.com.
IP Addresses
coursetracking.com directs to one IP number, which is 207.148.248.143.
Among the host names that share IP numbers with coursetracking.com are glittercreations.com, forbiddencove.com, edelweissphotography.com and two others.
Name Servers
coursetracking.com uses two name servers for its delegation: this-domain-for-sale.com and ns.buydomains.com.
coursetracking.com has the same name server delegation as a number of other domains, such as beachaid.com, iltane.com, phphd.com and two more.
Some of coursetracking.com's name servers are also used by other domains, including otaku.net, gbos.org, myofficemate.com and tlevent.com.
this-domain-for-sale.com resolves to 52.20.26.87; ns.buydomains.com resolves to the same IP address, 52.20.26.87.
Both this-domain-for-sale.com and ns.buydomains.com resolve to 52.20.26.87 IP addresses each.