efficiencystudy.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`efficiencystudy.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:401d:c0e9:501a:ea95^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:b913:ba6c:3406:1ea4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.152.150.60^{🇺🇸 Amazon54.152.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-152-150-60.compute-1.amazonaws.com`
		A	54.209.0.198^{🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-209-0-198.compute-1.amazonaws.com`
NS	`domain-for-sale.hugedomainsdns.com`
		A	2600:1f18:683a:ae1a:a20e:d941:6738:e505^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:212b:2502:9928:7a09^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:24ab:9e2:6b69:527a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a733:a943:353:c9e9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	34.229.19.142^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-229-19-142.compute-1.amazonaws.com`
		A	52.91.222.88^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-91-222-88.compute-1.amazonaws.com`
		A	54.224.179.246^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-224-179-246.compute-1.amazonaws.com`
		A	98.84.165.197^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-84-165-197.compute-1.amazonaws.com`
NS	`forsale.hugedomainsdns.com`
		A	2600:1f18:683a:ae1a:7fe0:45c2:b230:5174^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:868a:5b3a:2e33:788a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:a24f:972b:9405:90a7^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a18f:cd:dcec:2887^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.86.10.126^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-86-10-126.compute-1.amazonaws.com`
		A	54.81.233.19^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-81-233-19.compute-1.amazonaws.com`
		A	54.175.195.127^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-195-127.compute-1.amazonaws.com`
		A	54.198.247.69^{🇺🇸 Amazon54.198.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-198-247-69.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-10-26 #1

`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=1793012716

Same first word

efficiencystudy.com

Previous names

Next names

DNS History

22 records (7 active, 15 former)

●NSdomain-for-sale.hugedomainsdns.com2026-08-27 → 2026-10-26 · 3 obs

○ 2017-01-27 23:25:00
● 2026-08-27 09:34:06
● 2026-10-26 11:21:00

●NSforsale.hugedomainsdns.com2026-08-27 → 2026-10-26 · 3 obs

○ 2017-01-27 23:25:00
● 2026-08-27 09:34:06
● 2026-10-26 11:21:00

●NSns1.namebrightdns.com2015-06-18 → 2026-10-26 · 6 obs

● 2015-06-18 13:22:12
○ 2015-11-20 20:14:36
● 2016-02-28 13:49:16
○ 2016-05-29 19:36:34
● 2017-01-27 23:25:00
● 2026-10-26 11:21:00

○NSns2.namebrightdns.com2015-06-18 → 2017-01-27 · 7 obs

● 2015-06-18 13:22:12
○ 2015-11-20 20:14:36
● 2016-02-28 13:49:16
○ 2016-05-29 19:36:34
● 2017-01-27 23:25:00
○ 2026-08-27 09:34:06
○ 2026-10-26 11:21:00

○NSnsg1.namebrightdns.com2015-11-20 → 2016-05-29 · 6 obs

○ 2015-06-18 13:22:12
● 2015-11-20 20:14:36
○ 2016-02-28 13:49:16
● 2016-05-29 19:36:34
○ 2017-01-27 23:25:00
○ 2026-10-26 11:21:00

○NSnsg2.namebrightdns.com2015-11-20 → 2016-05-29 · 6 obs

○ 2015-06-18 13:22:12
● 2015-11-20 20:14:36
○ 2016-02-28 13:49:16
● 2016-05-29 19:36:34
○ 2017-01-27 23:25:00
○ 2026-10-26 11:21:00

○MXanmail.namebrightmail.com2015-06-18 → 2016-02-28 · 4 obs

● 2015-06-18 13:22:12
● 2016-02-28 13:49:16
○ 2016-05-29 19:36:34
○ 2026-10-26 11:21:00

○MXmailtest8888.namebrightmail.com2016-05-29 → 2016-05-29 · 4 obs

○ 2016-02-28 13:49:16
● 2016-05-29 19:36:34
○ 2017-01-27 23:25:00
○ 2026-10-26 11:21:00

○A107.23.42.502016-02-28 → 2016-02-28 · 4 obs

○ 2015-11-20 20:14:36
● 2016-02-28 13:49:16
○ 2016-05-29 19:36:34
○ 2026-10-26 11:21:00

●A13.223.25.842026-08-27 → 2026-10-26 · 3 obs

○ 2017-01-27 23:25:00
● 2026-08-27 09:34:06
● 2026-10-26 11:21:00

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-08-27 → 2026-10-26 · 3 obs

○ 2017-01-27 23:25:00
● 2026-08-27 09:34:06
● 2026-10-26 11:21:00

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-08-27 → 2026-10-26 · 3 obs

○ 2017-01-27 23:25:00
● 2026-08-27 09:34:06
● 2026-10-26 11:21:00

○A52.200.243.1232016-05-29 → 2016-05-29 · 4 obs

○ 2016-02-28 13:49:16
● 2016-05-29 19:36:34
○ 2017-01-27 23:25:00
○ 2026-10-26 11:21:00

○A52.73.136.1402016-02-28 → 2016-02-28 · 4 obs

○ 2015-11-20 20:14:36
● 2016-02-28 13:49:16
○ 2016-05-29 19:36:34
○ 2026-10-26 11:21:00

○A54.152.144.2432016-05-29 → 2016-05-29 · 4 obs

○ 2016-02-28 13:49:16
● 2016-05-29 19:36:34
○ 2017-01-27 23:25:00
○ 2026-10-26 11:21:00

○A54.174.31.2542015-06-18 → 2015-11-20 · 4 obs

● 2015-06-18 13:22:12
● 2015-11-20 20:14:36
○ 2016-02-28 13:49:16
○ 2026-10-26 11:21:00

○A54.208.74.2152015-06-18 → 2015-11-20 · 4 obs

● 2015-06-18 13:22:12
● 2015-11-20 20:14:36
○ 2016-02-28 13:49:16
○ 2026-10-26 11:21:00

●A54.243.117.1972026-08-27 → 2026-10-26 · 3 obs

○ 2017-01-27 23:25:00
● 2026-08-27 09:34:06
● 2026-10-26 11:21:00

○A54.82.156.192017-01-27 → 2017-01-27 · 4 obs

○ 2016-05-29 19:36:34
● 2017-01-27 23:25:00
○ 2026-08-27 09:34:06
○ 2026-10-26 11:21:00

○A54.86.225.1562017-01-27 → 2017-01-27 · 4 obs

○ 2016-05-29 19:36:34
● 2017-01-27 23:25:00
○ 2026-08-27 09:34:06
○ 2026-10-26 11:21:00

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-06-18 → 2016-05-29 · 4 obs

● 2015-06-18 13:22:12
● 2016-05-29 19:36:34
○ 2017-01-27 23:25:00
○ 2026-10-26 11:21:00

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-01-27 → 2017-01-27 · 4 obs

○ 2016-05-29 19:36:34
● 2017-01-27 23:25:00
○ 2026-08-27 09:34:06
○ 2026-10-26 11:21:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
efficiencystudy.com	domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com	16 records

✅ Authoritative Response

Server:54.224.179.246

NS records: domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for efficiencystudy.com (unsigned zone)

⏱️ Timing

Total: 394ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
AAAA	2	`2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee`
NS	2	`domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com`
TXT	2	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 16

Out-of-bailiwick: 16 (domain-for-sale.hugedomainsdns.com, domain-for-sale.hugedomainsdns.com, domain-for-sale.hugedomainsdns.com...)

Analysis

IP Addresses

efficiencystudy.com has four IP addresses: 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

Among the host names that share IP numbers with efficiencystudy.com are server54.cyberbg.com, hortunlimited.com, capsaq.com and two others.

Name Servers

Three name servers are authoritative for efficiencystudy.com: domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns1.namebrightdns.com.

efficiencystudy.com shares at least some of its name servers with other domains, including shelfdrop.com, soonhock.com, afutur.com and two others.

These name servers are frequently paired with the name servers nsg1.namebrightdns.com, nsg2.namebrightdns.com and ns2.namebrightdns.com.

Host names resolving to 8 IP numbers:

domain-for-sale.hugedomainsdns.com carries IP addresses 34.229.19.142, 52.91.222.88 and 54.224.179.246, with 5 other addresses beyond those.

forsale.hugedomainsdns.com carries IP addresses 3.86.10.126, 54.81.233.19 and 54.175.195.127, with 5 other addresses beyond those.

Hosts pointing to four IP addresses:

ns1.namebrightdns.com points to 54.152.150.60, 54.209.0.198, 2600:1f18:683a:ae1a:401d:c0e9:501a:ea95 and 2600:1f18:683a:ae1a:b913:ba6c:3406:1ea4.