coursecom.com - dns.ninja
coursecom.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 | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
| SOA | ns.buydomains.combd-operations@namemedia.com 2015-04-11 #14 | ||||||
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=1781200563 | ||||||
Same first word
coursecom.com |
Similar names
DNS History
9 records (3 active, 6 former)
●NSns.buydomains.com2015-08-10 → 2026-06-11 · 3 obs
● 2015-08-10 05:50:48
● 2026-06-11 18:21:28
○NSns1.nameservermonster.com2008-03-16 → 2008-03-16 · 3 obs
○ 2015-08-10 05:50:48
○ 2026-06-11 18:21:28
○NSns2.nameservermonster.com2008-03-16 → 2008-03-16 · 3 obs
○ 2015-08-10 05:50:48
○ 2026-06-11 18:21:28
○NSns3.nameservermonster.com2008-03-16 → 2008-03-16 · 3 obs
○ 2015-08-10 05:50:48
○ 2026-06-11 18:21:28
●NSthis-domain-for-sale.com2026-04-12 → 2026-06-11 · 3 obs
● 2026-04-12 20:09:42
● 2026-06-11 18:21:28
●A207.148.248.1432015-12-02 → 2026-06-11 · 7 obs
● 2015-12-02 09:30:42
● 2026-04-12 20:09:42
○ 2026-05-07 16:55:08
● 2026-06-02 21:24:34
○ 2026-06-10 22:54:08
● 2026-06-11 18:21:28
○A50.63.202.1042015-08-10 → 2015-08-10 · 4 obs
● 2015-08-10 05:50:48
○ 2015-12-02 09:30:42
○ 2026-06-11 18:21:28
○A66.45.254.2442008-03-16 → 2008-03-16 · 3 obs
○ 2015-08-10 05:50:48
○ 2026-06-11 18:21:28
○A66.45.254.2452008-03-16 → 2008-03-16 · 3 obs
○ 2015-08-10 05:50:48
○ 2026-06-11 18:21:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net... | - |
| coursecom.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 coursecom.com (unsigned zone)
⏱️ Timing
Total: 3140ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
| SOA | 1 | ns.buydomains.com bd-operations.namemedi |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
IP Addresses
coursecom.com resolves to just one IP address, 207.148.248.143.
Two other host names, along with europagarden.com, helpdiabetics.com and simulationflying.com, also share IP numbers with coursecom.com.
Name Servers
DNS delegation for coursecom.com points to two name servers: this-domain-for-sale.com and ns.buydomains.com.
coursecom.com shares its NS records with other domains, for example sixtia.com, creativeachievements.com, mortalhope.com and two others.
coursecom.com shares at least some of its name servers with other domains, including bangkokattraction.com, capeworks.com, afiap.com and two others.
These name servers are frequently seen alongside the name servers ns2.buydomains.com.
Both this-domain-for-sale.com and ns.buydomains.com have a single IP address, 52.20.26.87, and share it.
Host names pointing to 52.20.26.87 IP addresses: this-domain-for-sale.com and ns.buydomains.com.