`exerciseconcepts.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.net`nstld@verisign-grs.com serial=1785320082

Subdomains

hostmaster.exerciseconcepts.com

Same first word

exerciseconcepts.com

DNS History

6 records (3 active, 3 former)

●NSns.buydomains.com2015-11-08 → 2026-07-29 · 2 obs

● 2015-11-08 02:40:52
● 2026-07-29 10:38:38

●NSthis-domain-for-sale.com2026-07-02 → 2026-07-29 · 3 obs

○ 2015-11-08 02:40:52
● 2026-07-02 06:47:16
● 2026-07-29 10:38:38

○A141.8.225.1242016-01-26 → 2016-10-28 · 5 obs

○ 2015-11-08 02:40:52
● 2016-01-26 08:37:40
● 2016-10-28 11:38:10
○ 2017-05-22 06:31:10
○ 2026-07-29 10:38:38

●A207.148.248.1432017-05-22 → 2026-07-29 · 3 obs

○ 2016-10-28 11:38:10
● 2017-05-22 06:31:10
● 2026-07-29 10:38:38

○A50.63.202.1042015-11-08 → 2015-11-08 · 4 obs

○ 2015-06-08 01:41:42
● 2015-11-08 02:40:52
○ 2016-01-26 08:37:40
○ 2026-07-29 10:38:38

○A66.151.181.492015-06-08 → 2015-06-08 · 3 obs

● 2015-06-08 01:41:42
○ 2015-11-08 02:40:52
○ 2026-07-29 10:38:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...	-
exerciseconcepts.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 exerciseconcepts.com (unsigned zone)

⏱️ Timing

Total: 4637ms | 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

The domain hostmaster.exerciseconcepts.com falls under the parent exerciseconcepts.com.

IP Addresses

exerciseconcepts.com resolves to one IP address: 207.148.248.143.

subz.net, westerncable.com, hahabd.com and two other host names share IP numbers with exerciseconcepts.com.

Name Servers

exerciseconcepts.com has two authoritative name servers — this-domain-for-sale.com and ns.buydomains.com.

exerciseconcepts.com uses the same name servers as several other domains — among them brilliantdream.com, makeitlight.com, mobecube.com and two more.

At least some of exerciseconcepts.com's name servers are shared with other domains, for example censusinternational.com, applyltd.com, escapadestravel.com and two more.

These name servers tend to be used in conjunction with the name servers ns2.buydomains.com.

this-domain-for-sale.com and ns.buydomains.com each point to one IP address — 52.20.26.87.

The host names this-domain-for-sale.com and ns.buydomains.com both resolve to 52.20.26.87 IP addresses.

exerciseconcepts.com - robtex.com