coefficient.org - dns.ninja

`coefficient.org`

DNSSEC	⚠️ Not signed
A	2606:4700:10::6814:1959^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:10::ac42:a739^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.20.25.89^{Cloudflare104.20.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.167.57^{🇺🇸 Cloudflare172.66.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lee.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c181^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2181^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lee.ns.cloudflare.com`
		A	108.162.193.129^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	172.64.33.129^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	173.245.59.129^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
NS	`meilani.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meilani.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meilani.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meilani.ns.cloudflare.com`
		A	108.162.194.196^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meilani.ns.cloudflare.com`
		A	162.159.38.196^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meilani.ns.cloudflare.com`
		A	172.64.34.196^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meilani.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.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	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=w5i1j6Nbx7VNhWq3hqyFgcFd2eloOugKvOAR_GgTKIQ`
TXT	`v=spf1 include:_spf.google.com include:emsd1.com -all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.20.25.89, 172.66.167.57
		IPv6 hints	2606:4700:10::6814:1959, 2606:4700:10::ac42:a739
SOA	`lee.ns.cloudflare.com`dns@cloudflare.com serial=2409554468

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1784321518

Same first word

Similar names

efficientco.com

tecnioffice.com

tecnioffice.es

intecoffice.co.uk

ecofficient.org

DNS History

20 records (11 active, 9 former)

○NSbuy.internettraffic.com2015-06-13 → 2016-04-06 · 4 obs

● 2015-06-13 18:39:40
● 2016-04-06 14:03:58
○ 2016-12-24 07:14:22
○ 2026-07-17 21:20:36

●NSlee.ns.cloudflare.com2026-03-27 → 2026-07-17 · 3 obs

○ 2016-12-24 07:14:22
● 2026-03-27 04:58:28
● 2026-07-17 21:20:36

●NSmeilani.ns.cloudflare.com2026-03-27 → 2026-07-17 · 3 obs

○ 2016-12-24 07:14:22
● 2026-03-27 04:58:28
● 2026-07-17 21:20:36

○NSns1.uniregistrymarket.link2016-12-24 → 2016-12-24 · 4 obs

○ 2016-04-06 14:03:58
● 2016-12-24 07:14:22
○ 2026-03-27 04:58:28
○ 2026-07-17 21:20:36

○NSns12.wixdns.net2026-03-27 → 2026-07-17 · 2 obs

○ 2026-03-27 04:58:28
○ 2026-07-17 21:20:36

○NSns13.wixdns.net2026-03-27 → 2026-07-17 · 2 obs

○ 2026-03-27 04:58:28
○ 2026-07-17 21:20:36

○NSns2.uniregistrymarket.link2016-12-24 → 2016-12-24 · 4 obs

○ 2016-04-06 14:03:58
● 2016-12-24 07:14:22
○ 2026-03-27 04:58:28
○ 2026-07-17 21:20:36

○NSsell.internettraffic.com2015-06-13 → 2016-04-06 · 4 obs

● 2015-06-13 18:39:40
● 2016-04-06 14:03:58
○ 2016-12-24 07:14:22
○ 2026-07-17 21:20:36

●MXalt1.aspmx.l.google.com2026-03-27 → 2026-07-17 · 2 obs

● 2026-03-27 04:58:28
● 2026-07-17 21:20:36

●MXalt2.aspmx.l.google.com2026-03-27 → 2026-07-17 · 2 obs

● 2026-03-27 04:58:28
● 2026-07-17 21:20:36

●MXalt3.aspmx.l.google.com2026-03-27 → 2026-07-17 · 2 obs

● 2026-03-27 04:58:28
● 2026-07-17 21:20:36

●MXalt4.aspmx.l.google.com2026-03-27 → 2026-07-17 · 2 obs

● 2026-03-27 04:58:28
● 2026-07-17 21:20:36

●MXaspmx.l.google.com2026-03-27 → 2026-07-17 · 2 obs

● 2026-03-27 04:58:28
● 2026-07-17 21:20:36

●A104.20.25.892026-03-27 → 2026-07-17 · 3 obs

○ 2016-12-24 07:14:22
● 2026-03-27 04:58:28
● 2026-07-17 21:20:36

●A172.66.167.572026-03-27 → 2026-07-17 · 3 obs

○ 2016-12-24 07:14:22
● 2026-03-27 04:58:28
● 2026-07-17 21:20:36

●A2606:4700:10::6814:19592026-03-27 → 2026-07-17 · 3 obs

○ 2016-12-24 07:14:22
● 2026-03-27 04:58:28
● 2026-07-17 21:20:36

●A2606:4700:10::ac42:a7392026-03-27 → 2026-07-17 · 3 obs

○ 2016-12-24 07:14:22
● 2026-03-27 04:58:28
● 2026-07-17 21:20:36

○A50.87.195.1342026-03-27 → 2026-07-17 · 2 obs

○ 2026-03-27 04:58:28
○ 2026-07-17 21:20:36

○A69.172.201.1532016-12-24 → 2016-12-24 · 4 obs

○ 2016-04-06 14:03:58
● 2016-12-24 07:14:22
○ 2026-03-27 04:58:28
○ 2026-07-17 21:20:36

○A69.172.201.2082015-06-13 → 2016-04-06 · 4 obs

● 2015-06-13 18:39:40
● 2016-04-06 14:03:58
○ 2016-12-24 07:14:22
○ 2026-07-17 21:20:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
coefficient.org	meilani.ns.cloudflare.com, lee.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.129

NS records: meilani.ns.cloudflare.com, lee.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coefficient.org (unsigned zone)

⏱️ Timing

Total: 566ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.20.25.89, 172.66.167.57`
AAAA	2	`2606:4700:10::ac42:a739, 2606:4700:10::6814:1959`
NS	2	`lee.ns.cloudflare.com, meilani.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=w5i1j6Nbx7VNhWq, v=spf1 include:_spf.google.com include:e`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`lee.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

coefficient.org has four IP addresses: 104.20.25.89, 172.66.167.57, 2606:4700:10::6814:1959 and 2606:4700:10::ac42:a739.

www.ipi.com.cdn.cloudflare.net, ipi.com.cdn.cloudflare.net, ipi.com and two other host names share IP numbers with coefficient.org.

Name Servers

coefficient.org is served by two delegated name servers, lee.ns.cloudflare.com and meilani.ns.cloudflare.com.

coefficient.org uses the same name servers as several other domains — among them torrentqq416.com, avgosu100.com, hillselectronics.rw and two more.

coefficient.org shares at least some of its name servers with other domains, including 31337.life, canyinjia.us, acephysiotherapy.co.uk and two others.

These name servers are frequently paired with the name servers patryk.ns.cloudflare.com and alexa.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

lee.ns.cloudflare.com carries IP addresses 108.162.193.129, 172.64.33.129 and 173.245.59.129, with 3 other addresses beyond those.

meilani.ns.cloudflare.com carries IP addresses 108.162.194.196, 162.159.38.196 and 172.64.34.196, with 3 other addresses beyond those.

Mail Servers

Mail for coefficient.org is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

coefficient.org has at least partial mail server overlap with other domains such as ns500671.ns500731.ns500754.ns500754.ns500742.ns500704.ns500705.ns500671.ns500671.ns500666.tenderladiesbz.com, ns500698.ns500698.ns500758.ns500758.ns500735.ns500735.ns500736.ns500698.ns500698.ns500576.ns500698.ns500576.ns500576.ns500652.ns500576.trackreceptor.com, ns500754.ns500731.ns500731.ns500754.ns500671.ns500742.ns500671.ns500704.ns500704.ns500671.ns500671.ns500671.ns500142.lusty(0x736c7574)z.com and two more.

These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com maps to two IP addresses — 142.251.167.27 and 2607:f8b0:4004:c17::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1b.