`courseforums.com`

DNSSEC	⚠️ Not signed
A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
		PTR	`ip-207-148-248-143.defastlink.net`
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.net`nstld@verisign-grs.com serial=1771291435

Same first word

courseforums.com

Similar names

sourcefromus.com

sourceforums.com

forumsources.com

croesusforum.com

DNS History

9 records (3 active, 6 former)

●NSns.buydomains.com2016-04-07 → 2026-03-23 · 3 obs

○ 2016-01-04 22:01:10
● 2016-04-07 07:36:50
● 2026-03-23 10:02:44

○NSns03.domaincontrol.com2015-06-13 → 2015-10-27 · 4 obs

● 2015-06-13 01:13:52
● 2015-10-27 22:44:58
○ 2016-01-04 22:01:10
○ 2026-03-23 10:02:44

○NSns04.domaincontrol.com2015-06-13 → 2015-10-27 · 4 obs

● 2015-06-13 01:13:52
● 2015-10-27 22:44:58
○ 2016-01-04 22:01:10
○ 2026-03-23 10:02:44

●NSthis-domain-for-sale.com2026-02-26 → 2026-03-23 · 3 obs

○ 2016-04-07 07:36:50
● 2026-02-26 14:36:46
● 2026-03-23 10:02:44

○MXmailstore1.secureserver.net2015-06-13 → 2015-10-27 · 4 obs

● 2015-06-13 01:13:52
● 2015-10-27 22:44:58
○ 2016-01-04 22:01:10
○ 2026-03-23 10:02:44

○MXsmtp.secureserver.net2015-06-13 → 2015-10-27 · 4 obs

● 2015-06-13 01:13:52
● 2015-10-27 22:44:58
○ 2016-01-04 22:01:10
○ 2026-03-23 10:02:44

○A141.8.225.1242016-04-07 → 2016-09-07 · 5 obs

○ 2016-01-04 22:01:10
● 2016-04-07 07:36:50
● 2016-09-07 20:16:46
○ 2017-04-10 18:45:22
○ 2026-03-23 10:02:44

○A184.168.221.562015-06-13 → 2015-10-27 · 4 obs

● 2015-06-13 01:13:52
● 2015-10-27 22:44:58
○ 2016-01-04 22:01:10
○ 2026-03-23 10:02:44

●A207.148.248.1432017-04-10 → 2026-03-23 · 3 obs

○ 2016-09-07 20:16:46
● 2017-04-10 18:45:22
● 2026-03-23 10:02:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 3689ms | 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 an IP address: 207.148.248.143.

other host names include gyotti.www.smallshowroom.com, www.weboccasions.com, freshgetaway.com, sailex.com and 64.187.113.33.peseta.greenwrapping.com; they share IP numbers with courseforums.com.

Name Servers

Two name servers this-domain-for-sale.com and ns.buydomains.com handle the delegation for courseforums.com.

courseforums.com shares the same name server setup as other domains, for instance tranquilstudios.com, stunningchoices.com, gothcore.com, antiquesupplier.com and shimmerstars.com.

courseforums.com shares name servers with other domains at least partially, for instance asvi.net, xm(0x787878)x.com, expendables.net and borsaci.net.

These name servers are commonly used alongside ns2.buydomains.com.

Host names with a single IP

this-domain-for-sale.com points to 52.20.26.87

ns.buydomains.com points to 52.20.26.87

Host names that point to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com

courseforums.com - robtex.com