efficientknowledge.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`efficientknowledge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:9419^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:377a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.122^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.25^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gordon.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3baa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1aa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gordon.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21aa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gordon.ns.cloudflare.com`
		A	108.162.193.170^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
		A	172.64.33.170^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
		A	173.245.59.170^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
NS	`nelci.ns.cloudflare.com`
		A	2606:4700:50::a29f:2698^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c298^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nelci.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2298^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nelci.ns.cloudflare.com`
		A	108.162.194.152^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	162.159.38.152^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	172.64.34.152^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 include:zoho.com ~all`
TXT	`zoho-verification=zb15992456.zmverify.zoho.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.122, 172.67.148.25
		IPv6 hints	2606:4700:3036::ac43:9419, 2606:4700:3037::6815:377a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=243, name=cloudflare-ech.com
SOA	`gordon.ns.cloudflare.com`dns@cloudflare.com serial=2417296361

`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=1793267236

Same first word

efficientknowledge.com

efficientknowledge.net

Previous names

Next names

DNS History

18 records (9 active, 9 former)

●NSgordon.ns.cloudflare.com2026-09-13 → 2026-10-29 · 3 obs

○ 2026-05-13 17:09:36
● 2026-09-13 18:53:28
● 2026-10-29 10:11:06

●NSnelci.ns.cloudflare.com2026-09-13 → 2026-10-29 · 3 obs

○ 2026-05-13 17:09:36
● 2026-09-13 18:53:28
● 2026-10-29 10:11:06

○NSns3.afternic.com2026-03-26 → 2026-05-13 · 5 obs

○ 2018-07-10 15:44:04
● 2026-03-26 05:46:12
● 2026-05-13 17:09:36
○ 2026-09-13 18:53:28
○ 2026-10-29 10:11:06

○NSns4.afternic.com2026-03-26 → 2026-05-13 · 5 obs

○ 2018-07-10 15:44:04
● 2026-03-26 05:46:12
● 2026-05-13 17:09:36
○ 2026-09-13 18:53:28
○ 2026-10-29 10:11:06

○NSns49.domaincontrol.com2015-08-21 → 2018-07-10 · 4 obs

● 2015-08-21 09:32:22
● 2018-07-10 15:44:04
○ 2026-03-26 05:46:12
○ 2026-10-29 10:11:06

○NSns50.domaincontrol.com2016-04-17 → 2018-07-10 · 5 obs

○ 2015-08-21 09:32:22
● 2016-04-17 07:05:26
● 2018-07-10 15:44:04
○ 2026-03-26 05:46:12
○ 2026-10-29 10:11:06

○MXmailstore1.secureserver.net2015-08-21 → 2018-07-10 · 4 obs

● 2015-08-21 09:32:22
● 2018-07-10 15:44:04
○ 2026-03-26 05:46:12
○ 2026-10-29 10:11:06

●MXmx.zoho.com2026-09-13 → 2026-10-29 · 3 obs

○ 2026-03-26 05:46:12
● 2026-09-13 18:53:28
● 2026-10-29 10:11:06

●MXmx2.zoho.com2026-09-13 → 2026-10-29 · 3 obs

○ 2026-03-26 05:46:12
● 2026-09-13 18:53:28
● 2026-10-29 10:11:06

●MXmx3.zoho.com2026-09-13 → 2026-10-29 · 3 obs

○ 2026-03-26 05:46:12
● 2026-09-13 18:53:28
● 2026-10-29 10:11:06

○MXsmtp.secureserver.net2015-08-21 → 2018-07-10 · 4 obs

● 2015-08-21 09:32:22
● 2018-07-10 15:44:04
○ 2026-03-26 05:46:12
○ 2026-10-29 10:11:06

●A104.21.55.1222026-09-13 → 2026-10-29 · 3 obs

○ 2026-05-13 17:09:36
● 2026-09-13 18:53:28
● 2026-10-29 10:11:06

○A13.248.169.482026-03-26 → 2026-05-13 · 5 obs

○ 2018-07-10 15:44:04
● 2026-03-26 05:46:12
● 2026-05-13 17:09:36
○ 2026-09-13 18:53:28
○ 2026-10-29 10:11:06

●A172.67.148.252026-09-13 → 2026-10-29 · 3 obs

○ 2026-05-13 17:09:36
● 2026-09-13 18:53:28
● 2026-10-29 10:11:06

●A2606:4700:3036::ac43:94192026-09-13 → 2026-10-29 · 3 obs

○ 2026-05-13 17:09:36
● 2026-09-13 18:53:28
● 2026-10-29 10:11:06

●A2606:4700:3037::6815:377a2026-09-13 → 2026-10-29 · 3 obs

○ 2026-05-13 17:09:36
● 2026-09-13 18:53:28
● 2026-10-29 10:11:06

○A50.63.202.602015-08-21 → 2018-07-10 · 4 obs

● 2015-08-21 09:32:22
● 2018-07-10 15:44:04
○ 2026-03-26 05:46:12
○ 2026-10-29 10:11:06

○A76.223.54.1462026-03-26 → 2026-05-13 · 5 obs

○ 2018-07-10 15:44:04
● 2026-03-26 05:46:12
● 2026-05-13 17:09:36
○ 2026-09-13 18:53:28
○ 2026-10-29 10:11:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
efficientknowledge.com	gordon.ns.cloudflare.com, nelci.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.152

NS records: gordon.ns.cloudflare.com, nelci.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for efficientknowledge.com (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.148.25, 104.21.55.122`
AAAA	2	`2606:4700:3037::6815:377a, 2606:4700:3036::ac43:9419`
NS	2	`gordon.ns.cloudflare.com, nelci.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	2	`v=spf1 include:zoho.com ~all, zoho-verification=zb15992456.zmverify.zo`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gordon.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

efficientknowledge.com points to the four IP addresses 104.21.55.122, 172.67.148.25, 2606:4700:3036::ac43:9419 and 2606:4700:3037::6815:377a.

Additional host names — cgvido.cc, surge.cloud, lk21.fyi and two others — share IP numbers with efficientknowledge.com.

Name Servers

efficientknowledge.com is delegated to two name servers: gordon.ns.cloudflare.com and nelci.ns.cloudflare.com.

efficientknowledge.com shares its name server setup with other domains, including palantirstudios.xyz, vistei-landing.pages.dev, brightcabinpath.club and two others.

There is at least partial name server overlap between efficientknowledge.com and other domains — xqtyagfzbxzw.com.cn, shuroiko.com, y8w1i1k.com and two more among them.

The name servers zahir.ns.cloudflare.com, mona.ns.cloudflare.com and diva.ns.cloudflare.com are often found in combination with these name servers.

Host names with 6 IP numbers:

gordon.ns.cloudflare.com resolves to 108.162.193.170, 172.64.33.170, 173.245.59.170 and 3 other IP addresses.

nelci.ns.cloudflare.com resolves to 108.162.194.152, 162.159.38.152, 172.64.34.152 and 3 other IP addresses.

Mail Servers

Incoming mail for efficientknowledge.com is delivered via three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

efficientknowledge.com shares mail servers — at least in part — with other domains, including bebopbythenumbers.com, smarthitechengineering.com, mailnets.us and two others.

Host names with two IP numbers:

mx.zoho.com points to 136.143.183.44 and 136.143.191.44.

Host names pointing to a single IP address:

mx2.zoho.com points to 136.143.191.44.

mx3.zoho.com points to 136.143.191.44.

mx.zoho.com, mx2.zoho.com and mx3.zoho.com are host names that all point to 136.143.191.44.