🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`efficiencyexperiments.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:98da^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:209d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.32.157^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.218^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`connie.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`connie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`connie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`connie.ns.cloudflare.com`
		A	108.162.192.247^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`connie.ns.cloudflare.com`
		A	172.64.32.247^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`connie.ns.cloudflare.com`
		A	173.245.58.247^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`connie.ns.cloudflare.com`
NS	`will.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c195^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`will.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2195^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`will.ns.cloudflare.com`
		A	108.162.193.149^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	172.64.33.149^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	173.245.59.149^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.32.157, 172.67.152.218
		IPv6 hints	2606:4700:3030::ac43:98da, 2606:4700:3031::6815:209d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=73, name=cloudflare-ech.com
SOA	`connie.ns.cloudflare.com`dns@cloudflare.com serial=2416813379

`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=1794270576

📈 Tranco rank: #397,683

Same first word

efficiencyexperiments.com

Previous names

Next names

DNS History

18 records (11 active, 7 former)

●NSconnie.ns.cloudflare.com2026-06-12 → 2026-11-10 · 3 obs

○ 2018-08-18 02:29:08
● 2026-06-12 14:30:40
● 2026-11-10 01:01:18

○NSpdns07.domaincontrol.com2016-01-22 → 2018-08-18 · 4 obs

● 2016-01-22 07:36:32
● 2018-08-18 02:29:08
○ 2026-06-12 14:30:40
○ 2026-11-10 01:01:18

○NSpdns08.domaincontrol.com2016-01-22 → 2018-08-18 · 4 obs

● 2016-01-22 07:36:32
● 2018-08-18 02:29:08
○ 2026-06-12 14:30:40
○ 2026-11-10 01:01:18

●NSwill.ns.cloudflare.com2026-06-12 → 2026-11-10 · 3 obs

○ 2018-08-18 02:29:08
● 2026-06-12 14:30:40
● 2026-11-10 01:01:18

●MXeforward1.registrar-servers.com2026-06-12 → 2026-11-10 · 3 obs

○ 2018-08-18 02:29:08
● 2026-06-12 14:30:40
● 2026-11-10 01:01:18

●MXeforward2.registrar-servers.com2026-06-12 → 2026-11-10 · 3 obs

○ 2018-08-18 02:29:08
● 2026-06-12 14:30:40
● 2026-11-10 01:01:18

●MXeforward3.registrar-servers.com2026-06-12 → 2026-11-10 · 3 obs

○ 2018-08-18 02:29:08
● 2026-06-12 14:30:40
● 2026-11-10 01:01:18

●MXeforward4.registrar-servers.com2026-06-12 → 2026-11-10 · 3 obs

○ 2018-08-18 02:29:08
● 2026-06-12 14:30:40
● 2026-11-10 01:01:18

●MXeforward5.registrar-servers.com2026-06-12 → 2026-11-10 · 3 obs

○ 2018-08-18 02:29:08
● 2026-06-12 14:30:40
● 2026-11-10 01:01:18

○MXmailstore1.secureserver.net2016-01-22 → 2018-08-18 · 4 obs

● 2016-01-22 07:36:32
● 2018-08-18 02:29:08
○ 2026-06-12 14:30:40
○ 2026-11-10 01:01:18

○MXsmtp.secureserver.net2016-01-22 → 2018-08-18 · 4 obs

● 2016-01-22 07:36:32
● 2018-08-18 02:29:08
○ 2026-06-12 14:30:40
○ 2026-11-10 01:01:18

●A104.21.32.1572026-06-12 → 2026-11-10 · 3 obs

○ 2018-08-18 02:29:08
● 2026-06-12 14:30:40
● 2026-11-10 01:01:18

●A172.67.152.2182026-06-12 → 2026-11-10 · 3 obs

○ 2018-08-18 02:29:08
● 2026-06-12 14:30:40
● 2026-11-10 01:01:18

●A2606:4700:3030::ac43:98da2026-07-09 → 2026-11-10 · 3 obs

○ 2026-06-12 14:30:40
● 2026-07-09 09:45:18
● 2026-11-10 01:01:18

●A2606:4700:3031::6815:209d2026-07-09 → 2026-11-10 · 3 obs

○ 2026-06-12 14:30:40
● 2026-07-09 09:45:18
● 2026-11-10 01:01:18

○A2606:4700:3032::ac43:98da2026-06-12 → 2026-06-12 · 4 obs

○ 2018-08-18 02:29:08
● 2026-06-12 14:30:40
○ 2026-07-09 09:45:18
○ 2026-11-10 01:01:18

○A2606:4700:3034::6815:209d2026-06-12 → 2026-06-12 · 4 obs

○ 2018-08-18 02:29:08
● 2026-06-12 14:30:40
○ 2026-07-09 09:45:18
○ 2026-11-10 01:01:18

○A50.63.202.542016-01-22 → 2018-08-18 · 4 obs

● 2016-01-22 07:36:32
● 2018-08-18 02:29:08
○ 2026-06-12 14:30:40
○ 2026-11-10 01:01:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net...	-
efficiencyexperiments.com	will.ns.cloudflare.com, connie.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.247

NS records: will.ns.cloudflare.com, connie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 421ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.152.218, 104.21.32.157`
AAAA	2	`2606:4700:3030::ac43:98da, 2606:4700:3031::6815:209d`
NS	2	`connie.ns.cloudflare.com, will.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`connie.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (will.ns.cloudflare.com, will.ns.cloudflare.com, will.ns.cloudflare.com...)

Analysis

IP Addresses

efficiencyexperiments.com points to the four IP addresses 104.21.32.157, 172.67.152.218, 2606:4700:3030::ac43:98da and 2606:4700:3031::6815:209d.

Among the host names that share IP numbers with efficiencyexperiments.com are trustedtransportservice.org, paaluperustajat.com, jalisco.mex.com and two others.

Name Servers

The NS records for efficiencyexperiments.com delegate to connie.ns.cloudflare.com and will.ns.cloudflare.com.

efficiencyexperiments.com has the same name server delegation as a number of other domains, such as hxc-85819.pages.dev, lunatide.au, mediation-expertise.fr and two more.

The name servers of efficiencyexperiments.com overlap at least partially with those of other domains — among them liverapport.se, roblox-rescue-mission-script.pages.dev, offgridmedialab.com and two more.

These name servers commonly appear alongside the name servers dawn.ns.cloudflare.com and ada.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

connie.ns.cloudflare.com maps to 108.162.192.247, 172.64.32.247, 173.245.58.247 and 3 additional IP addresses.

will.ns.cloudflare.com maps to 108.162.193.149, 172.64.33.149, 173.245.59.149 and 3 additional IP addresses.

Mail Servers

efficiencyexperiments.com has five mail servers, which are eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

efficiencyexperiments.com shares at least some of its mail servers with other domains — for example shutjaneparm.world, hivesigned.com, creatorsalary.com and two more.

The mail servers eforward4.registrar-servers.com and eforward5.registrar-servers.com are commonly paired with these mail servers.

Hosts that resolve to one IP address:

eforward1.registrar-servers.com resolves to the IP address 162.255.118.51.

eforward2.registrar-servers.com resolves to the IP address 162.255.118.52.

eforward3.registrar-servers.com resolves to the IP address 162.255.118.51.

eforward4.registrar-servers.com resolves to the IP address 162.255.118.52.

eforward5.registrar-servers.com resolves to the IP address 162.255.118.51.

eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com all direct to 162.255.118.51.

eforward2.registrar-servers.com and eforward4.registrar-servers.com each have 162.255.118.52 IP addresses.