efficientlearningsystems.com - dns.ninja

`efficientlearningsystems.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:bd23^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:4145^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.69^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.189.35^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`rafe.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ad8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rafe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rafe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rafe.ns.cloudflare.com`
		A	108.162.192.216^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rafe.ns.cloudflare.com`
		A	172.64.32.216^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rafe.ns.cloudflare.com`
		A	173.245.58.216^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rafe.ns.cloudflare.com`
NS	`rene.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cb4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3b4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rene.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23b4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rene.ns.cloudflare.com`
		A	108.162.195.180^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
		A	162.159.44.180^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
		A	172.64.35.180^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽²⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.65.69, 172.67.189.35
		IPv6 hints	2606:4700:3033::ac43:bd23, 2606:4700:3034::6815:4145
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com
SOA	`rafe.ns.cloudflare.com`dns@cloudflare.com serial=2410058962

`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=1786111579

Same first word

efficientlearningsystems.com

DNS History

21 records (8 active, 13 former)

○NSbri-ns01.wiley.com2015-07-17 → 2018-12-16 · 4 obs

● 2015-07-17 13:14:04
● 2018-12-16 04:33:06
○ 2026-02-16 15:31:48
○ 2026-08-07 14:33:36

○NSjws-edcp.wiley.com2015-07-17 → 2018-12-16 · 4 obs

● 2015-07-17 13:14:04
● 2018-12-16 04:33:06
○ 2026-02-16 15:31:48
○ 2026-08-07 14:33:36

○NSns.wiley.co.uk2015-07-17 → 2018-12-16 · 4 obs

● 2015-07-17 13:14:04
● 2018-12-16 04:33:06
○ 2026-02-16 15:31:48
○ 2026-08-07 14:33:36

○NSns.wileypub.com2015-07-17 → 2018-12-16 · 4 obs

● 2015-07-17 13:14:04
● 2018-12-16 04:33:06
○ 2026-02-16 15:31:48
○ 2026-08-07 14:33:36

○NSns2.wiley.co.uk2015-07-17 → 2018-12-16 · 4 obs

● 2015-07-17 13:14:04
● 2018-12-16 04:33:06
○ 2026-02-16 15:31:48
○ 2026-08-07 14:33:36

●NSrafe.ns.cloudflare.com2026-02-16 → 2026-08-07 · 3 obs

○ 2018-12-16 04:33:06
● 2026-02-16 15:31:48
● 2026-08-07 14:33:36

●NSrene.ns.cloudflare.com2026-02-16 → 2026-08-07 · 3 obs

○ 2018-12-16 04:33:06
● 2026-02-16 15:31:48
● 2026-08-07 14:33:36

○NSsg-ns01.wiley.com2015-07-17 → 2018-12-16 · 4 obs

● 2015-07-17 13:14:04
● 2018-12-16 04:33:06
○ 2026-02-16 15:31:48
○ 2026-08-07 14:33:36

●MXmailstore1.secureserver.net2015-07-17 → 2026-08-07 · 2 obs

● 2015-07-17 13:14:04
● 2026-08-07 14:33:36

●MXsmtp.secureserver.net2015-07-17 → 2026-08-07 · 2 obs

● 2015-07-17 13:14:04
● 2026-08-07 14:33:36

●A104.21.65.692026-02-16 → 2026-08-07 · 6 obs

○ 2018-12-16 04:33:06
● 2026-02-16 15:31:48
● 2026-04-30 20:33:44
○ 2026-05-01 21:21:44
● 2026-05-05 01:44:02
● 2026-08-07 14:33:36

●A172.67.189.352026-02-16 → 2026-08-07 · 6 obs

○ 2018-12-16 04:33:06
● 2026-02-16 15:31:48
● 2026-04-30 20:33:44
○ 2026-05-01 21:21:44
● 2026-05-05 01:44:02
● 2026-08-07 14:33:36

○A188.114.96.02026-05-01 → 2026-05-01 · 4 obs

○ 2026-04-30 20:33:44
● 2026-05-01 21:21:44
○ 2026-05-05 01:44:02
○ 2026-08-07 14:33:36

○A188.114.97.02026-05-01 → 2026-05-01 · 4 obs

○ 2026-04-30 20:33:44
● 2026-05-01 21:21:44
○ 2026-05-05 01:44:02
○ 2026-08-07 14:33:36

○A209.172.193.492018-12-16 → 2018-12-16 · 4 obs

○ 2017-02-17 04:50:06
● 2018-12-16 04:33:06
○ 2026-02-16 15:31:48
○ 2026-08-07 14:33:36

●A2606:4700:3033::ac43:bd232026-02-16 → 2026-08-07 · 6 obs

○ 2018-12-16 04:33:06
● 2026-02-16 15:31:48
● 2026-04-30 20:33:44
○ 2026-05-01 21:21:44
● 2026-05-05 01:44:02
● 2026-08-07 14:33:36

●A2606:4700:3034::6815:41452026-06-23 → 2026-08-07 · 3 obs

○ 2026-06-16 03:58:52
● 2026-06-23 01:19:58
● 2026-08-07 14:33:36

○A2606:4700:3035::6815:41452026-02-16 → 2026-06-16 · 8 obs

○ 2018-12-16 04:33:06
● 2026-02-16 15:31:48
● 2026-04-30 20:33:44
○ 2026-05-01 21:21:44
● 2026-05-05 01:44:02
● 2026-06-16 03:58:52
○ 2026-06-23 01:19:58
○ 2026-08-07 14:33:36

○A2a06:98c1:3120::2026-05-01 → 2026-05-01 · 4 obs

○ 2026-04-30 20:33:44
● 2026-05-01 21:21:44
○ 2026-05-05 01:44:02
○ 2026-08-07 14:33:36

○A2a06:98c1:3121::2026-05-01 → 2026-05-01 · 4 obs

○ 2026-04-30 20:33:44
● 2026-05-01 21:21:44
○ 2026-05-05 01:44:02
○ 2026-08-07 14:33:36

○A64.202.189.1702015-07-17 → 2017-02-17 · 4 obs

● 2015-07-17 13:14:04
● 2017-02-17 04:50:06
○ 2018-12-16 04:33:06
○ 2026-08-07 14:33:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...	-
efficientlearningsystems.com	rafe.ns.cloudflare.com, rene.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.216

NS records: rafe.ns.cloudflare.com, rene.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for efficientlearningsystems.com (unsigned zone)

⏱️ Timing

Total: 308ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.65.69, 172.67.189.35`
AAAA	2	`2606:4700:3034::6815:4145, 2606:4700:3033::ac43:bd23`
NS	2	`rafe.ns.cloudflare.com, rene.ns.cloudflare.com`
MX	2	`smtp.secureserver.net (pri: 10), mailstore1.secureserver.net (pri: 20)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`rafe.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

efficientlearningsystems.com resolves to four IP addresses: 104.21.65.69, 172.67.189.35, 2606:4700:3033::ac43:bd23 and 2606:4700:3034::6815:4145.

sprake.com.au, 657152.vip, www.99phcash.net plus two other host names have IP numbers in common with efficientlearningsystems.com.

Name Servers

DNS delegation for efficientlearningsystems.com points to two name servers: rafe.ns.cloudflare.com and rene.ns.cloudflare.com.

The name server configuration of efficientlearningsystems.com is shared with other domains, for instance rogercpareview.com, cmaexcel.com, go4funding.net and two others.

efficientlearningsystems.com partially shares its NS delegation with several other domains, including itsonlycasual.com, jjjxzz.com, youyuantrade.com and two others.

These name servers regularly co-occur with the name servers stella.ns.cloudflare.com, carla.ns.cloudflare.com and leonidas.ns.cloudflare.com.

Hosts with 6 IP addresses each:

rafe.ns.cloudflare.com has IP addresses 108.162.192.216, 172.64.32.216 and 173.245.58.216, plus 3 other.

rene.ns.cloudflare.com has IP addresses 108.162.195.180, 162.159.44.180 and 172.64.35.180, plus 3 other.

Mail Servers

efficientlearningsystems.com uses two mail servers, mailstore1.secureserver.net and smtp.secureserver.net.

The mail server setup of efficientlearningsystems.com matches that of other domains such as pariyaram.com, thestpetersburgchannel.com, blackwaxlounge.com and two others.

efficientlearningsystems.com has mail servers in common with other domains — for example hotlickerpro.com, ebyf.com and lugevo.com.

mailstore1.secureserver.net has three IP addresses (216.69.141.78, 216.69.141.114 and 216.69.141.162) and smtp.secureserver.net has three IP addresses (216.69.141.71, 216.69.141.84 and 216.69.141.113).