scientificlearning.com - dns.ninja

`scientificlearning.com`

DNSSEC	⚠️ Not signed
A	108.138.85.61^{🇺🇸 Amazon108.138.80.0/21}
		PTR	`server-108-138-85-61.iad12.r.cloudfront.net`
A	108.138.85.85^{🇺🇸 Amazon108.138.80.0/21}
A	108.138.85.89^{🇺🇸 Amazon108.138.80.0/21}
A	108.138.85.122^{🇺🇸 Amazon108.138.80.0/21}
NS	`ns-269.awsdns-33.com` ⭐
		A	2600:9000:5301:d00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-269.awsdns-33.com`
		A	205.251.193.13^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-269.awsdns-33.com`
NS	`ns-1220.awsdns-24.org`
		A	2600:9000:5304:c400::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1220.awsdns-24.org`
		A	205.251.196.196^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1220.awsdns-24.org`
NS	`ns-1964.awsdns-53.co.uk`
		A	2600:9000:5307:ac00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1964.awsdns-53.co.uk`
		A	205.251.199.172^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1964.awsdns-53.co.uk`
NS	`ns-552.awsdns-05.net`
		A	2600:9000:5302:2800::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-552.awsdns-05.net`
		A	205.251.194.40^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-552.awsdns-05.net`
MX	`cluster2.us.messagelabs.com` ⭐
		A	67.219.246.208^{🇺🇸 Google67.219.246.0/24}
			PTR	`mail907.messagelabs.com`
		A	67.219.246.210^{🇺🇸 Google67.219.246.0/24}
			PTR	`mail909.messagelabs.com`
		A	67.219.246.215^{🇺🇸 Google67.219.246.0/24}
			PTR	`mail901.messagelabs.com`
		A	67.219.247.202^{🇺🇸 Google67.219.247.0/24}
			PTR	`mail930.messagelabs.com`
		A	67.219.247.204^{🇺🇸 Google67.219.247.0/24}
			PTR	`mail931.messagelabs.com`
		A	67.219.250.212^{🇺🇸 Google67.219.250.0/24}
			PTR	`mail943.messagelabs.com`
		A	67.219.250.215^{🇺🇸 Google67.219.250.0/24}
			PTR	`mail948.messagelabs.com`
		A	67.219.250.218^{🇺🇸 Google67.219.250.0/24}
			PTR	`mail951.messagelabs.com`
MX	`cluster2a.us.messagelabs.com` ⭐
		A	34.75.172.113^{🇺🇸 Google34.75.160.0/20}
			PTR	`113.172.75.34.bc.googleusercontent.com`
SOA	`ns-269.awsdns-33.com`awsdns-hostmaster@amazon.com serial=1

`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=1783262196

WOT: SAFE (62/100)

Subdomains

www.scientificlearning.com

Same first word

scientificlearning.com

scientificlearning.net

DNS History

35 records (10 active, 25 former)

○NSdc1dns01.scilearn.com2015-09-03 → 2017-07-25 · 4 obs

● 2015-09-03 13:57:58
● 2017-07-25 10:33:30
○ 2026-06-09 17:59:18
○ 2026-07-05 14:37:04

○NSdns1.scilearn.com2015-09-03 → 2017-07-25 · 4 obs

● 2015-09-03 13:57:58
● 2017-07-25 10:33:30
○ 2026-06-09 17:59:18
○ 2026-07-05 14:37:04

○NSdns2.scilearn.com2015-09-03 → 2017-07-25 · 4 obs

● 2015-09-03 13:57:58
● 2017-07-25 10:33:30
○ 2026-06-09 17:59:18
○ 2026-07-05 14:37:04

○NSdns3.scilearn.com2015-09-03 → 2017-07-25 · 4 obs

● 2015-09-03 13:57:58
● 2017-07-25 10:33:30
○ 2026-06-09 17:59:18
○ 2026-07-05 14:37:04

○NSdns4.scilearn.com2015-09-03 → 2017-07-25 · 4 obs

● 2015-09-03 13:57:58
● 2017-07-25 10:33:30
○ 2026-06-09 17:59:18
○ 2026-07-05 14:37:04

●NSns-1220.awsdns-24.org2026-06-09 → 2026-07-05 · 3 obs

○ 2017-07-25 10:33:30
● 2026-06-09 17:59:18
● 2026-07-05 14:37:04

●NSns-1964.awsdns-53.co.uk2026-06-09 → 2026-07-05 · 3 obs

○ 2017-07-25 10:33:30
● 2026-06-09 17:59:18
● 2026-07-05 14:37:04

●NSns-269.awsdns-33.com2026-06-09 → 2026-07-05 · 3 obs

○ 2017-07-25 10:33:30
● 2026-06-09 17:59:18
● 2026-07-05 14:37:04

●NSns-552.awsdns-05.net2026-06-09 → 2026-07-05 · 3 obs

○ 2017-07-25 10:33:30
● 2026-06-09 17:59:18
● 2026-07-05 14:37:04

●MXcluster2.us.messagelabs.com2015-09-03 → 2026-07-05 · 2 obs

● 2015-09-03 13:57:58
● 2026-07-05 14:37:04

●MXcluster2a.us.messagelabs.com2015-09-03 → 2026-07-05 · 2 obs

● 2015-09-03 13:57:58
● 2026-07-05 14:37:04

●A108.138.85.1222026-06-20 → 2026-07-05 · 25 obs

○ 2026-06-16 19:42:54
● 2026-06-20 05:06:50
○ 2026-06-20 12:20:20
● 2026-06-23 18:56:26
○ 2026-06-24 09:56:10
● 2026-06-24 10:31:46
○ 2026-06-24 17:53:34
● 2026-06-25 00:15:52
○ 2026-06-25 05:31:24
● 2026-06-26 07:52:38
○ 2026-06-27 04:49:56
● 2026-06-27 19:26:44
○ 2026-06-28 02:07:28
● 2026-06-30 09:49:32
○ 2026-06-30 15:37:56
● 2026-07-01 16:22:36
○ 2026-07-01 17:51:00
● 2026-07-03 04:01:10
○ 2026-07-03 09:40:10
● 2026-07-03 17:03:04
○ 2026-07-04 00:06:08
● 2026-07-04 09:50:50
○ 2026-07-05 04:56:40
● 2026-07-05 14:36:58
● 2026-07-05 14:37:04

●A108.138.85.612026-06-20 → 2026-07-05 · 25 obs

●A108.138.85.852026-06-20 → 2026-07-05 · 25 obs

●A108.138.85.892026-06-20 → 2026-07-05 · 25 obs

○A108.157.173.172026-06-09 → 2026-07-05 · 21 obs

● 2026-06-09 17:59:18
● 2026-06-11 08:16:26
○ 2026-06-11 10:30:14
○ 2026-06-12 11:49:52
● 2026-06-12 15:15:02
● 2026-06-12 16:19:24
○ 2026-06-13 02:51:46
○ 2026-06-13 15:51:56
● 2026-06-15 05:44:00
○ 2026-06-15 19:02:02
○ 2026-06-16 04:59:46
● 2026-06-16 07:01:28
● 2026-06-16 14:16:50
○ 2026-06-16 19:42:54
● 2026-07-01 04:30:04
○ 2026-07-01 16:22:36
● 2026-07-04 00:06:08
○ 2026-07-04 09:50:50
● 2026-07-05 04:56:40
○ 2026-07-05 14:36:58
○ 2026-07-05 14:37:04

○A108.157.173.22026-06-09 → 2026-07-05 · 21 obs

○A108.157.173.32026-06-09 → 2026-07-05 · 21 obs

○A108.157.173.592026-06-09 → 2026-07-05 · 21 obs

○A18.154.206.232026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 04:01:10
● 2026-07-03 09:40:10
○ 2026-07-03 17:03:04
○ 2026-07-05 14:37:04

○A18.154.206.562026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 04:01:10
● 2026-07-03 09:40:10
○ 2026-07-03 17:03:04
○ 2026-07-05 14:37:04

○A18.154.206.832026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 04:01:10
● 2026-07-03 09:40:10
○ 2026-07-03 17:03:04
○ 2026-07-05 14:37:04

○A18.154.206.912026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 04:01:10
● 2026-07-03 09:40:10
○ 2026-07-03 17:03:04
○ 2026-07-05 14:37:04

○A18.245.253.172026-06-11 → 2026-06-30 · 31 obs

○ 2026-06-11 08:16:26
● 2026-06-11 10:30:14
● 2026-06-12 11:49:52
○ 2026-06-12 15:15:02
○ 2026-06-12 16:19:24
● 2026-06-13 02:51:46
● 2026-06-13 15:51:56
○ 2026-06-15 05:44:00
● 2026-06-15 19:02:02
● 2026-06-16 04:59:46
○ 2026-06-16 07:01:28
○ 2026-06-16 14:16:50
● 2026-06-16 19:42:54
○ 2026-06-20 05:06:50
● 2026-06-20 12:20:20
○ 2026-06-23 18:56:26
● 2026-06-24 09:56:10
○ 2026-06-24 10:31:46
● 2026-06-24 17:53:34
○ 2026-06-25 00:15:52
● 2026-06-25 05:31:24
○ 2026-06-25 18:52:28
● 2026-06-25 21:51:48
○ 2026-06-26 07:52:38
● 2026-06-27 04:49:56
○ 2026-06-27 19:26:44
● 2026-06-28 02:07:28
○ 2026-06-30 09:49:32
● 2026-06-30 15:37:56
○ 2026-07-01 04:30:04
○ 2026-07-05 14:37:04

○A18.245.253.722026-06-11 → 2026-06-30 · 31 obs

○A18.245.253.762026-06-11 → 2026-06-30 · 31 obs

○A18.245.253.82026-06-11 → 2026-06-30 · 31 obs

○A3.162.163.442026-07-02 → 2026-07-02 · 4 obs

○ 2026-07-01 17:51:00
● 2026-07-02 16:08:58
○ 2026-07-03 04:01:10
○ 2026-07-05 14:37:04

○A3.162.163.52026-07-02 → 2026-07-02 · 4 obs

○ 2026-07-01 17:51:00
● 2026-07-02 16:08:58
○ 2026-07-03 04:01:10
○ 2026-07-05 14:37:04

○A3.162.163.682026-07-02 → 2026-07-02 · 4 obs

○ 2026-07-01 17:51:00
● 2026-07-02 16:08:58
○ 2026-07-03 04:01:10
○ 2026-07-05 14:37:04

○A3.162.163.872026-07-02 → 2026-07-02 · 4 obs

○ 2026-07-01 17:51:00
● 2026-07-02 16:08:58
○ 2026-07-03 04:01:10
○ 2026-07-05 14:37:04

○A54.230.253.1122026-06-25 → 2026-07-01 · 6 obs

○ 2026-06-25 05:31:24
● 2026-06-25 18:52:28
○ 2026-06-25 21:51:48
● 2026-07-01 17:51:00
○ 2026-07-02 16:08:58
○ 2026-07-05 14:37:04

○A54.230.253.1142026-06-25 → 2026-07-01 · 6 obs

○ 2026-06-25 05:31:24
● 2026-06-25 18:52:28
○ 2026-06-25 21:51:48
● 2026-07-01 17:51:00
○ 2026-07-02 16:08:58
○ 2026-07-05 14:37:04

○A54.230.253.522026-06-25 → 2026-07-01 · 6 obs

○ 2026-06-25 05:31:24
● 2026-06-25 18:52:28
○ 2026-06-25 21:51:48
● 2026-07-01 17:51:00
○ 2026-07-02 16:08:58
○ 2026-07-05 14:37:04

○A54.230.253.972026-06-25 → 2026-07-01 · 6 obs

○ 2026-06-25 05:31:24
● 2026-06-25 18:52:28
○ 2026-06-25 21:51:48
● 2026-07-01 17:51:00
○ 2026-07-02 16:08:58
○ 2026-07-05 14:37:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
scientificlearning.com	ns-552.awsdns-05.net, ns-269.awsdns-33.com, ns-1220.awsdns-24.org, ns-1964.awsdns-53.co.uk	2 records

✅ Authoritative Response

Server:205.251.194.40

NS records: ns-552.awsdns-05.net, ns-269.awsdns-33.com, ns-1220.awsdns-24.org, ns-1964.awsdns-53.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for scientificlearning.com (unsigned zone)

⏱️ Timing

Total: 611ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.138.85.61, 108.138.85.85...`
NS	4	`ns-1220.awsdns-24.org, ns-1964.awsdns-53.co.uk...`
MX	2	`cluster2.us.messagelabs.com (pri: 10), cluster2a.us.messagelabs.com (pri: 10)`
SOA	1	`ns-269.awsdns-33.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-269.awsdns-33.com, ns-269.awsdns-33.com)

Analysis

Hierarchy

www.scientificlearning.com is a subdomain of scientificlearning.com.

IP Addresses

scientificlearning.com directs to four IP numbers, which are 108.138.85.61, 108.138.85.85, 108.138.85.89 and 108.138.85.122.

rpvip2.com, www.tru99m1.com, lookup.appgenradio.com plus two other host names have IP numbers in common with scientificlearning.com.

Name Servers

Four name servers handle the delegation for scientificlearning.com: ns-269.awsdns-33.com, ns-552.awsdns-05.net, ns-1220.awsdns-24.org and ns-1964.awsdns-53.co.uk.

The name servers of scientificlearning.com overlap at least partially with those of other domains — among them sahabtec.com, cycurguard.com, vtexassets.com and two more.

Each of the four hosts ns-269.awsdns-33.com, ns-552.awsdns-05.net, ns-1220.awsdns-24.org and ns-1964.awsdns-53.co.uk has two IP addresses. ns-269.awsdns-33.com points to 205.251.193.13 and 2600:9000:5301:d00::1. ns-552.awsdns-05.net points to 205.251.194.40 and 2600:9000:5302:2800::1. ns-1220.awsdns-24.org points to 205.251.196.196 and 2600:9000:5304:c400::1. ns-1964.awsdns-53.co.uk points to 205.251.199.172 and 2600:9000:5307:ac00::1.

Mail Servers

scientificlearning.com uses two mail servers, cluster2.us.messagelabs.com and cluster2a.us.messagelabs.com.

The mail server setup of scientificlearning.com matches that of other domains such as fitchderivativepricing.com, systemparking.com, hillnmarks.com and two others.

At least some of the mail servers used by scientificlearning.com are shared with other domains: granadaproductions.com.au, grmc.com, dmifurniture.com and two others among them.

Hosts with 8 IP addresses each:

cluster2.us.messagelabs.com points to 67.219.246.208, 67.219.246.210, 67.219.246.215 and 5 other IP addresses.

Host names resolving to a single IP address:

cluster2a.us.messagelabs.com resolves to 34.75.172.113.