`efficiencymeasurement.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

efficiencymeasurement.com

DNS History

4 records (3 active, 1 former)

●NSns.buydomains.com2026-03-06 → 2026-03-24 · 2 obs

● 2026-03-06 10:28:06
● 2026-03-24 04:48:24

●NSthis-domain-for-sale.com2026-03-06 → 2026-03-24 · 2 obs

● 2026-03-06 10:28:06
● 2026-03-24 04:48:24

●A207.148.248.1432015-10-24 → 2026-03-24 · 3 obs

○ 2015-05-08 06:29:20
● 2015-10-24 21:32:54
● 2026-03-24 04:48:24

○A66.151.181.492015-05-08 → 2015-05-08 · 3 obs

● 2015-05-08 06:29:20
○ 2015-10-24 21:32:54
○ 2026-03-24 04:48:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
efficiencymeasurement.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 efficiencymeasurement.com (unsigned zone)

⏱️ Timing

Total: 116ms | 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

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

Other host names, for instance diabeticsgroup.com, ezcc.org, camprain.com, biodegradablelabels.com and happyghosts.com share IP numbers with efficiencymeasurement.com.

Name Servers

Delegation for efficiencymeasurement.com rests with two name servers, this-domain-for-sale.com and ns.buydomains.com.

efficiencymeasurement.com shares the same name server setup as other domains, including anneskitchen.com, vogeu.com, wildfestival.com, solarweb.org and mrat.org.

efficiencymeasurement.com partially shares name servers with other domains, for instance nirvananow.org, imclc.com, jnbuilding.com and paceplanning.com.

These name servers are commonly used with the name servers ns2.buydomains.com.

Host names sharing 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

efficiencymeasurement.com - robtex.com