🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`efficiencybook.com`

DNSSEC	⚠️ Not signed
A	199.34.228.144^{🇺🇸 WEEBLY199.34.228.0/24}
		PTR	`pages-custom-49.weebly.com`
NS	`dns153.a.register.com` ⭐ ⚠️ Not in parent delegation
		A	216.21.231.153^{🇺🇸 Jacksonville216.21.231.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns153.a.register.com`
NS	`dns082.d.register.com` ⚠️ Not in parent delegation
		A	216.21.236.82^{🇺🇸 Jacksonville216.21.236.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns082.d.register.com`
NS	`dns1.register.com` ⚠️ Not in zone NS records
		A	162.159.27.248^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns138.b.register.com` ⚠️ Not in parent delegation
		A	216.21.232.138^{🇺🇸 Jacksonville216.21.232.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
			PTR	`dns138.b.register.com`
NS	`dns2.register.com` ⚠️ Not in zone NS records
		A	162.159.26.197^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns248.c.register.com` ⚠️ Not in parent delegation
		A	216.21.235.248^{🇺🇸 Jacksonville216.21.234.0/23 NF ATL SUBNETS}
			PTR	`dns248.c.register.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4001:c79::1b^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbfwv-in-f27.1e100.net`
		A	173.194.42.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yucbfwv-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
SOA	`dns153.a.register.com`root@register.com 2017-01-07 #8

`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=1794252561

Same first word

efficiencybook.com

efficiencybook.mn

Similar names

bookefficiency.xyz

Previous names

Next names

DNS History

21 records (12 active, 9 former)

●NSdns082.d.register.com2017-01-11 → 2026-11-09 · 3 obs

○ 2016-05-01 13:36:06
● 2017-01-11 07:30:50
● 2026-11-09 19:55:30

●NSdns1.register.com2026-09-04 → 2026-11-09 · 3 obs

○ 2017-01-11 07:30:50
● 2026-09-04 02:31:00
● 2026-11-09 19:55:30

●NSdns138.b.register.com2017-01-11 → 2026-11-09 · 3 obs

○ 2016-05-01 13:36:06
● 2017-01-11 07:30:50
● 2026-11-09 19:55:30

●NSdns153.a.register.com2017-01-11 → 2026-11-09 · 3 obs

○ 2016-05-01 13:36:06
● 2017-01-11 07:30:50
● 2026-11-09 19:55:30

●NSdns2.register.com2026-09-04 → 2026-11-09 · 3 obs

○ 2017-01-11 07:30:50
● 2026-09-04 02:31:00
● 2026-11-09 19:55:30

●NSdns248.c.register.com2017-01-11 → 2026-11-09 · 3 obs

○ 2016-05-01 13:36:06
● 2017-01-11 07:30:50
● 2026-11-09 19:55:30

○NSns33.domaincontrol.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 22:03:02
○ 2015-11-05 03:13:06
○ 2026-11-09 19:55:30

○NSns34.domaincontrol.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 22:03:02
○ 2015-11-05 03:13:06
○ 2026-11-09 19:55:30

○NSns49.domaincontrol.com2016-05-01 → 2016-05-01 · 4 obs

○ 2015-11-05 03:13:06
● 2016-05-01 13:36:06
○ 2017-01-11 07:30:50
○ 2026-11-09 19:55:30

○NSns50.domaincontrol.com2016-05-01 → 2016-05-01 · 4 obs

○ 2015-11-05 03:13:06
● 2016-05-01 13:36:06
○ 2017-01-11 07:30:50
○ 2026-11-09 19:55:30

●MXalt1.aspmx.l.google.com2026-09-04 → 2026-11-09 · 3 obs

○ 2017-01-11 07:30:50
● 2026-09-04 02:31:00
● 2026-11-09 19:55:30

●MXalt2.aspmx.l.google.com2026-09-04 → 2026-11-09 · 3 obs

○ 2017-01-11 07:30:50
● 2026-09-04 02:31:00
● 2026-11-09 19:55:30

●MXalt3.aspmx.l.google.com2026-09-04 → 2026-11-09 · 3 obs

○ 2017-01-11 07:30:50
● 2026-09-04 02:31:00
● 2026-11-09 19:55:30

●MXalt4.aspmx.l.google.com2026-09-04 → 2026-11-09 · 3 obs

○ 2017-01-11 07:30:50
● 2026-09-04 02:31:00
● 2026-11-09 19:55:30

●MXaspmx.l.google.com2026-09-04 → 2026-11-09 · 3 obs

○ 2017-01-11 07:30:50
● 2026-09-04 02:31:00
● 2026-11-09 19:55:30

○MXmailstore1.secureserver.net2008-03-12 → 2016-05-01 · 5 obs

● 2008-03-12 22:03:02
○ 2015-11-05 03:13:06
● 2016-05-01 13:36:06
○ 2017-01-11 07:30:50
○ 2026-11-09 19:55:30

○MXsmtp.secureserver.net2008-03-12 → 2016-05-01 · 6 obs

● 2008-03-12 22:03:02
○ 2015-11-05 03:13:06
○ 2016-02-03 06:53:58
● 2016-05-01 13:36:06
○ 2017-01-11 07:30:50
○ 2026-11-09 19:55:30

●A199.34.228.1442026-09-04 → 2026-11-09 · 3 obs

○ 2017-01-11 07:30:50
● 2026-09-04 02:31:00
● 2026-11-09 19:55:30

○A199.34.228.572017-01-11 → 2017-01-11 · 4 obs

○ 2016-05-01 13:36:06
● 2017-01-11 07:30:50
○ 2026-09-04 02:31:00
○ 2026-11-09 19:55:30

○A50.63.202.532016-05-01 → 2016-05-01 · 4 obs

○ 2015-11-05 03:13:06
● 2016-05-01 13:36:06
○ 2017-01-11 07:30:50
○ 2026-11-09 19:55:30

○A68.178.232.1002008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 22:03:02
○ 2015-11-05 03:13:06
○ 2026-11-09 19:55:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...	-
efficiencybook.com	dns1.register.com, dns2.register.com	2 records

✅ Authoritative Response

Server:162.159.27.248

NS records: dns1.register.com, dns2.register.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for efficiencybook.com (unsigned zone)

⏱️ Timing

Total: 779ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.34.228.144`
NS	4	`dns082.d.register.com, dns153.a.register.com...`
MX	5	`alt1.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)...`
SOA	1	`dns153.a.register.com root.register.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.register.com, dns2.register.com)

Analysis

IP Addresses

efficiencybook.com has exactly one IP address — 199.34.228.144.

grlmngo.com, gerardhelferich.com, iconiacapital.com plus two other host names have IP numbers in common with efficiencybook.com.

Name Servers

DNS for efficiencybook.com is handled by 6 name servers: dns1.register.com, dns2.register.com, dns153.a.register.com and 3 others.

efficiencybook.com has at least partial name server overlap with other domains, such as aspleyclassesforseniors.com, soccertrainingwithallie.com, expressionsofself.com and two others.

dns082.d.register.com, dns083.d.register.com and dns176.d.register.com — plus 7 other name servers — are commonly paired with these name servers.

Host names resolving to a single IP address:

dns1.register.com directs to 162.159.27.248.

dns2.register.com directs to 162.159.26.197.

dns153.a.register.com directs to 216.21.231.153.

dns138.b.register.com directs to 216.21.232.138.

dns248.c.register.com directs to 216.21.235.248.

dns082.d.register.com directs to 216.21.236.82.

Mail Servers

efficiencybook.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by efficiencybook.com are shared with other domains: proreadycloud.org, shubindia.com, ubergoop.com and two others among them.

These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names pointing to two IP addresses:

aspmx.l.google.com has two IP addresses: 142.251.179.26 and 2607:f8b0:4004:c06::1b.

alt1.aspmx.l.google.com has two IP addresses: 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 173.194.42.27 and 2607:f8b0:4001:c79::1b.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.