`coefficiency.net`

DNSSEC	⚠️ Not signed
A	34.160.149.75^{🇺🇸 Google34.160.0.0/16}
		PTR	`75.149.160.34.bc.googleusercontent.com`
NS	`eva.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a72^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c072^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eva.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2072^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eva.ns.cloudflare.com`
		A	108.162.192.114^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	172.64.32.114^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	173.245.58.114^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
NS	`owen.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bdb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1db^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`owen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21db^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`owen.ns.cloudflare.com`
		A	108.162.193.219^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	172.64.33.219^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	173.245.59.219^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4023:c06::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f26.1e100.net`
		A	2607:f8b0:4023:c06::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f27.1e100.net`
		A	2607:f8b0:4023:c0b::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f26.1e100.net`
		A	2607:f8b0:4023:c0b::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f27.1e100.net`
		A	142.250.101.26^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f26.1e100.net`
		A	142.250.101.27^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f27.1e100.net`
		A	142.250.141.26^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f26.1e100.net`
		A	142.250.141.27^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f27.1e100.net`
		A	142.251.2.26^{🇺🇸 Google142.251.2.0/24}
			PTR	`dl-in-f26.1e100.net`
TXT	`google-site-verification=RDnDLKLLXsIZOzKNkzorsqxDW7kiuId0YGDcYRzgMl0`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`eva.ns.cloudflare.com`dns@cloudflare.com serial=2397295059

`net`

	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=1771291465

Same first word

coefficiency.com

coefficiency.net

coefficiency.co.uk

coefficiency.org

Similar names

ecofficiency.net

efficiencyco.com

ecofficiency.org

ecofficiency.co.uk

DNS History

12 records (4 active, 8 former)

○NSdns1.name-services.com2015-07-20 → 2017-02-20 · 4 obs

● 2015-07-20 11:30:06
● 2017-02-20 13:37:40
○ 2026-03-23 23:41:02
○ 2026-03-23 23:41:04

○NSdns2.name-services.com2015-07-20 → 2017-02-20 · 4 obs

● 2015-07-20 11:30:06
● 2017-02-20 13:37:40
○ 2026-03-23 23:41:02
○ 2026-03-23 23:41:04

○NSdns3.name-services.com2015-07-20 → 2017-02-20 · 4 obs

● 2015-07-20 11:30:06
● 2017-02-20 13:37:40
○ 2026-03-23 23:41:02
○ 2026-03-23 23:41:04

○NSdns4.name-services.com2015-07-20 → 2017-02-20 · 4 obs

● 2015-07-20 11:30:06
● 2017-02-20 13:37:40
○ 2026-03-23 23:41:02
○ 2026-03-23 23:41:04

○NSdns5.name-services.com2015-07-20 → 2017-02-20 · 4 obs

● 2015-07-20 11:30:06
● 2017-02-20 13:37:40
○ 2026-03-23 23:41:02
○ 2026-03-23 23:41:04

●NSeva.ns.cloudflare.com2026-03-23 → 2026-03-23 · 3 obs

○ 2017-02-20 13:37:40
● 2026-03-23 23:41:02
● 2026-03-23 23:41:04

●NSowen.ns.cloudflare.com2026-03-23 → 2026-03-23 · 3 obs

○ 2017-02-20 13:37:40
● 2026-03-23 23:41:02
● 2026-03-23 23:41:04

●MXsmtp.google.com2026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 23:41:02
● 2026-03-23 23:41:04

●A34.160.149.752026-03-23 → 2026-03-23 · 3 obs

○ 2017-02-20 13:37:40
● 2026-03-23 23:41:02
● 2026-03-23 23:41:04

○A98.124.198.12015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 11:30:06
○ 2026-03-23 23:41:02
○ 2026-03-23 23:41:04

○A98.124.199.12015-07-20 → 2015-07-20 · 3 obs

● 2015-07-20 11:30:06
○ 2015-11-21 06:17:56
○ 2026-03-23 23:41:04

○A98.124.199.52015-11-21 → 2017-02-20 · 5 obs

○ 2015-07-20 11:30:06
● 2015-11-21 06:17:56
● 2017-02-20 13:37:40
○ 2026-03-23 23:41:02
○ 2026-03-23 23:41:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coefficiency.net	eva.ns.cloudflare.com, owen.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.114

NS records: eva.ns.cloudflare.com, owen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coefficiency.net (unsigned zone)

⏱️ Timing

Total: 469ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`34.160.149.75`
NS	2	`eva.ns.cloudflare.com, owen.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=RDnDLKLLXsIZOzK, v=spf1 include:_spf.google.com ~all`
SOA	1	`eva.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

coefficiency.net points to a single IP address: 34.160.149.75.

Name Servers

coefficiency.net is delegated to two name servers: eva.ns.cloudflare.com and owen.ns.cloudflare.com.

coefficiency.net uses the same name server setup as other domains, including manhuaplus.cc, venkel.be, global-patron.com, textilepages.com and innopar.eu.

At least part of the name servers for coefficiency.net are shared with other domains, for instance flowping.com.br, iriestateofmind.com, intekzo.com, instaflex.co and macrowave.org.

These name servers are commonly used alongside the name servers mckinley.ns.cloudflare.com.

Host names with six IP numbers:

eva.ns.cloudflare.com points to: 2606:4700:50::adf5:3a72, 2803:f800:50::6ca2:c072, 2a06:98c1:50::ac40:2072, 108.162.192.114, 172.64.32.114 and 173.245.58.114.

owen.ns.cloudflare.com points to: 2606:4700:58::adf5:3bdb, 2803:f800:50::6ca2:c1db, 2a06:98c1:50::ac40:21db, 108.162.193.219, 172.64.33.219 and 173.245.59.219.

Mail Servers

The mail server for coefficiency.net is smtp.google.com.

coefficiency.net uses the same mail server setup as other domains, for instance sgpbusiness.com, musifex.pt, bestma.com, sapietri.fr and shapezones.info.

coefficiency.net shares at least some mail servers with other domains, for example winwink.co.uk, retellai.com, paxos.fr, tupu.com and buy.name.

these mail servers are often used together with the mail servers alt1.aspmx.l.google.com, aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

smtp.google.com resolves to nine IP numbers: 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0b::1a, 2607:f8b0:4023:c0b::1b, 142.250.101.26, 142.250.101.27, 142.250.141.26, 142.250.141.27 and 142.251.2.26.

coefficiency.net - robtex.com