courseanalyzer.com - dns.ninja

`courseanalyzer.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.com`hostmaster@buydomains.com 2015-09-17 #9

`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=1785187652

Same first word

courseanalyzer.com

Similar names

sourceanalyzer.xyz

DNS History

11 records (3 active, 8 former)

●NSns.buydomains.com2015-10-21 → 2026-07-27 · 3 obs

○ 2015-05-17 06:59:22
● 2015-10-21 17:59:12
● 2026-07-27 21:57:16

○NSns1.dsredirection.com2015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 06:59:22
○ 2015-10-21 17:59:12
○ 2026-07-27 21:57:16

○NSns2.dsredirection.com2015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 06:59:22
○ 2015-10-21 17:59:12
○ 2026-07-27 21:57:16

●NSthis-domain-for-sale.com2026-03-25 → 2026-07-27 · 3 obs

○ 2015-10-21 17:59:12
● 2026-03-25 01:42:24
● 2026-07-27 21:57:16

○A141.8.225.1242015-12-27 → 2016-09-18 · 5 obs

○ 2015-10-21 17:59:12
● 2015-12-27 04:25:06
● 2016-09-18 16:21:42
○ 2017-11-03 23:14:44
○ 2026-07-27 21:57:16

●A207.148.248.1432017-11-03 → 2026-07-27 · 3 obs

○ 2016-09-18 16:21:42
● 2017-11-03 23:14:44
● 2026-07-27 21:57:16

○A208.73.210.2002015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 06:59:22
○ 2015-10-21 17:59:12
○ 2026-07-27 21:57:16

○A208.73.210.2142015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 06:59:22
○ 2015-10-21 17:59:12
○ 2026-07-27 21:57:16

○A208.73.210.2172015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 06:59:22
○ 2015-10-21 17:59:12
○ 2026-07-27 21:57:16

○A208.73.211.1782015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 06:59:22
○ 2015-10-21 17:59:12
○ 2026-07-27 21:57:16

○A50.63.202.1042015-10-21 → 2015-10-21 · 4 obs

○ 2015-05-17 06:59:22
● 2015-10-21 17:59:12
○ 2015-12-27 04:25:06
○ 2026-07-27 21:57:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
courseanalyzer.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.20.26.87

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courseanalyzer.com (unsigned zone)

⏱️ Timing

Total: 151ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.148.248.143`
SOA	1	`ns.buydomains.com hostmaster.buydomains.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

IP Addresses

courseanalyzer.com points to a single IP number: 207.148.248.143.

Additional host names — glennlong.com, zeninteractive.com, alfabetica.com and two others — share IP numbers with courseanalyzer.com.

Name Servers

courseanalyzer.com uses two name servers for its delegation: this-domain-for-sale.com and ns.buydomains.com.

courseanalyzer.com shares its name server setup with other domains, including ultralondon.com, magm.org, focusquality.com and two others.

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.