`keystonelearning.com`

DNSSEC	⚠️ Not signed
A	3.33.251.168^{🇺🇸 Amazon3.33.240.0/20}
		PTR	`aec037177372cc6cd.awsglobalaccelerator.com`
A	15.197.225.128^{🇺🇸 Amazon15.197.224.0/20}
NS	`ns37.domaincontrol.com` ⭐
		A	2603:5:21c1::13^{🇺🇸 GODADDY-DNS2603:5:21c0::/44}
			PTR	`ns37.domaincontrol.com`
		A	97.74.108.19^{🇺🇸 GODADDY-DNS97.74.108.0/23}
			PTR	`ns37.domaincontrol.com`
NS	`ns38.domaincontrol.com`
		A	2603:5:22c1::13^{🇺🇸 GODADDY-DNS2603:5:22c0::/44}
			PTR	`ns38.domaincontrol.com`
		A	173.201.76.19^{🇺🇸 GODADDY-DNS173.201.76.0/23}
			PTR	`ns38.domaincontrol.com`
MX	`keystonelearning-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::a^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr21cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr04cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:c931::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr03cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr04cu00102.inbound.protection.outlook.com`
		A	52.101.10.8^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr04cu00100.inbound.protection.outlook.com`
		A	52.101.10.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr05cu00102.inbound.protection.outlook.com`
		A	52.101.41.22^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00406.inbound.protection.outlook.com`
		A	52.101.42.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr04cu00106.inbound.protection.outlook.com`
TXT	`google-site-verification=cE-ei9Agy2WKIQkIJZYaTGY47BF-iluTxkuMVkueU3w`
TXT	`v=spf1 ip4:198.21.2.183/32 include:spf.protection.outlook.com include:_spf.go...`
TXT	`MS=ms43872150`
TXT	`MS=ms10741693`
SOA	`ns37.domaincontrol.com`dns@jomax.net 2026-03-06 #0

`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=1771291435

WOT: UNKNOWN (66/100)

Subdomains

www.keystonelearning.com

Same first word

keystonelearning.org

keystonelearning.com

DNS History

21 records (5 active, 16 former)

○NSevan.ns.cloudflare.com2018-07-05 → 2018-07-05 · 4 obs

○ 2017-01-07 19:38:28
● 2018-07-05 05:41:46
○ 2026-02-18 18:43:14
○ 2026-03-13 20:23:48

○NShope.ns.cloudflare.com2018-07-05 → 2018-07-05 · 4 obs

○ 2017-01-07 19:38:28
● 2018-07-05 05:41:46
○ 2026-02-18 18:43:14
○ 2026-03-13 20:23:48

○NSns33.domaincontrol.com2015-07-07 → 2017-01-07 · 4 obs

● 2015-07-07 08:08:54
● 2017-01-07 19:38:28
○ 2018-07-05 05:41:46
○ 2026-03-13 20:23:48

○NSns34.domaincontrol.com2015-07-07 → 2017-01-07 · 4 obs

● 2015-07-07 08:08:54
● 2017-01-07 19:38:28
○ 2018-07-05 05:41:46
○ 2026-03-13 20:23:48

●NSns37.domaincontrol.com2026-02-18 → 2026-03-13 · 3 obs

○ 2018-07-05 05:41:46
● 2026-02-18 18:43:14
● 2026-03-13 20:23:48

●NSns38.domaincontrol.com2026-02-18 → 2026-03-13 · 3 obs

○ 2018-07-05 05:41:46
● 2026-02-18 18:43:14
● 2026-03-13 20:23:48

○MXalt1.aspmx.l.google.com2017-01-07 → 2018-07-05 · 5 obs

○ 2016-04-18 19:35:14
● 2017-01-07 19:38:28
● 2018-07-05 05:41:46
○ 2026-02-18 18:43:14
○ 2026-03-13 20:23:48

○MXalt2.aspmx.l.google.com2017-01-07 → 2018-07-05 · 5 obs

○ 2016-04-18 19:35:14
● 2017-01-07 19:38:28
● 2018-07-05 05:41:46
○ 2026-02-18 18:43:14
○ 2026-03-13 20:23:48

○MXalt3.aspmx.l.google.com2017-01-07 → 2018-07-05 · 5 obs

○ 2016-04-18 19:35:14
● 2017-01-07 19:38:28
● 2018-07-05 05:41:46
○ 2026-02-18 18:43:14
○ 2026-03-13 20:23:48

○MXalt4.aspmx.l.google.com2017-01-07 → 2018-07-05 · 5 obs

○ 2016-04-18 19:35:14
● 2017-01-07 19:38:28
● 2018-07-05 05:41:46
○ 2026-02-18 18:43:14
○ 2026-03-13 20:23:48

○MXaspmx.l.google.com2017-01-07 → 2018-07-05 · 5 obs

○ 2016-04-18 19:35:14
● 2017-01-07 19:38:28
● 2018-07-05 05:41:46
○ 2026-02-18 18:43:14
○ 2026-03-13 20:23:48

○MXbancroft-tech.com.s7a1.psmtp.com2015-07-07 → 2016-04-18 · 4 obs

● 2015-07-07 08:08:54
● 2016-04-18 19:35:14
○ 2017-01-07 19:38:28
○ 2026-03-13 20:23:48

○MXbancroft-tech.com.s7a2.psmtp.com2015-07-07 → 2016-04-18 · 4 obs

● 2015-07-07 08:08:54
● 2016-04-18 19:35:14
○ 2017-01-07 19:38:28
○ 2026-03-13 20:23:48

○MXbancroft-tech.com.s7b1.psmtp.com2015-07-07 → 2016-04-18 · 4 obs

● 2015-07-07 08:08:54
● 2016-04-18 19:35:14
○ 2017-01-07 19:38:28
○ 2026-03-13 20:23:48

○MXbancroft-tech.com.s7b2.psmtp.com2015-07-07 → 2016-04-18 · 4 obs

● 2015-07-07 08:08:54
● 2016-04-18 19:35:14
○ 2017-01-07 19:38:28
○ 2026-03-13 20:23:48

●MXkeystonelearning-com.mail.protection.outlook.com2026-02-18 → 2026-03-13 · 3 obs

○ 2018-07-05 05:41:46
● 2026-02-18 18:43:14
● 2026-03-13 20:23:48

○A137.135.99.562016-01-28 → 2017-01-07 · 5 obs

○ 2015-11-08 18:06:18
● 2016-01-28 08:27:32
● 2017-01-07 19:38:28
○ 2018-07-05 05:41:46
○ 2026-03-13 20:23:48

●A15.197.225.1282026-02-18 → 2026-03-13 · 3 obs

○ 2018-07-05 05:41:46
● 2026-02-18 18:43:14
● 2026-03-13 20:23:48

○A166.62.90.1322018-07-05 → 2018-07-05 · 4 obs

○ 2017-01-07 19:38:28
● 2018-07-05 05:41:46
○ 2026-02-18 18:43:14
○ 2026-03-13 20:23:48

○A23.96.32.492015-07-07 → 2015-11-08 · 4 obs

● 2015-07-07 08:08:54
● 2015-11-08 18:06:18
○ 2016-01-28 08:27:32
○ 2026-03-13 20:23:48

●A3.33.251.1682026-02-18 → 2026-03-13 · 3 obs

○ 2018-07-05 05:41:46
● 2026-02-18 18:43:14
● 2026-03-13 20:23:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...	-
keystonelearning.com	ns37.domaincontrol.com, ns38.domaincontrol.com	4 records

✅ Authoritative Response

Server: 97.74.108.19

NS records: ns37.domaincontrol.com, ns38.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keystonelearning.com (unsigned zone)

⏱️ Timing

Total: 295ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.197.225.128, 3.33.251.168`
NS	2	`ns37.domaincontrol.com, ns38.domaincontrol.com`
MX	1	`keystonelearning-com.mail.protection.out`
TXT	4	`google-site-verification=cE-ei9Agy2WKIQk, v=spf1 ip4:198.21.2.183/32 include:spf.p...`
SOA	1	`ns37.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns37.domaincontrol.com, ns37.domaincontrol.com, ns38.domaincontrol.com...)

Analysis

Hierarchy

The parent of www.keystonelearning.com is keystonelearning.com.

IP Addresses

keystonelearning.com resolves to two IP numbers: 3.33.251.168 and 15.197.225.128.

Other host names, for instance oct25.info, flcruiseshipaccidentlawyer.com, shippingcontainer.org, triph.com and mediobain.com share IP numbers with keystonelearning.com.

Name Servers

Two name servers ns37.domaincontrol.com and ns38.domaincontrol.com handle delegation for keystonelearning.com.

keystonelearning.com uses the same name server setup as other domains, for example play-girl.ca, missourigreenclinics.com, giovannidimauro.com, braukurs.eu and shtofoti.com.

Host names with two IP numbers:

ns37.domaincontrol.com points to: 2603:5:21c1::13 and 97.74.108.19

ns38.domaincontrol.com points to: 2603:5:22c1::13 and 173.201.76.19

Mail Servers

keystonelearning.com is handled by a single mail server, keystonelearning-com.mail.protection.outlook.com.

Hostname keystonelearning-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c91d::a, 2a01:111:f403:c92c::3, 2a01:111:f403:c931::1, 2a01:111:f403:c946::2, 52.101.10.8, 52.101.10.10, 52.101.41.22 and 52.101.42.14.

keystonelearning.com - robtex.com