courseforums.com - dns.ninja
courseforums.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 | ||||||
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=1783715487 | ||||||
Same first word
courseforums.com |
Similar names
DNS History
9 records (3 active, 6 former)
●NSns.buydomains.com2016-04-07 → 2026-07-10 · 3 obs
● 2016-04-07 07:36:50
● 2026-07-10 20:33:00
○NSns03.domaincontrol.com2015-06-13 → 2015-10-27 · 4 obs
● 2015-10-27 22:44:58
○ 2016-01-04 22:01:10
○ 2026-07-10 20:33:00
○NSns04.domaincontrol.com2015-06-13 → 2015-10-27 · 4 obs
● 2015-10-27 22:44:58
○ 2016-01-04 22:01:10
○ 2026-07-10 20:33:00
●NSthis-domain-for-sale.com2026-02-26 → 2026-07-10 · 3 obs
● 2026-02-26 14:36:46
● 2026-07-10 20:33:00
○MXmailstore1.secureserver.net2015-06-13 → 2015-10-27 · 4 obs
● 2015-10-27 22:44:58
○ 2016-01-04 22:01:10
○ 2026-07-10 20:33:00
○MXsmtp.secureserver.net2015-06-13 → 2015-10-27 · 4 obs
● 2015-10-27 22:44:58
○ 2016-01-04 22:01:10
○ 2026-07-10 20:33:00
○A141.8.225.1242016-04-07 → 2016-09-07 · 5 obs
● 2016-04-07 07:36:50
● 2016-09-07 20:16:46
○ 2017-04-10 18:45:22
○ 2026-07-10 20:33:00
○A184.168.221.562015-06-13 → 2015-10-27 · 4 obs
● 2015-10-27 22:44:58
○ 2016-01-04 22:01:10
○ 2026-07-10 20:33:00
●A207.148.248.1432017-04-10 → 2026-07-10 · 3 obs
● 2017-04-10 18:45:22
● 2026-07-10 20:33:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net... | - |
| courseforums.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 courseforums.com (unsigned zone)
⏱️ Timing
Total: 3405ms | 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
courseforums.com points to a single IP number: 207.148.248.143.
Additional host names — gyotti.www.smallshowroom.com, www.weboccasions.com, freshgetaway.com and two others — share IP numbers with courseforums.com.
Name Servers
DNS delegation for courseforums.com points to two name servers: this-domain-for-sale.com and ns.buydomains.com.
courseforums.com shares its name server setup with other domains, including tranquilstudios.com, stunningchoices.com, cottageroom.com and two others.
courseforums.com at least partially shares name servers with other domains, including asvi.net, xm(0x787878)x.com, catastrophetraining.com and expendables.net.
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.