explorelearning.com - dns.ninja

`explorelearning.com`

DNSSEC	⚠️ Not signed
A	107.162.255.31^{🇺🇸 F5107.162.254.0/23 via EMIX}
NS	`ns1.cambiumlearning.com` ⭐
		A	66.248.224.140^{🇺🇸 AS39796966.248.224.0/24}
NS	`ns2.cambiumlearning.com`
		A	50.238.167.169^{🇺🇸 COMCAST-IBONE50.128.0.0/9 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054}
MX	`us-smtp-inbound-1.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
MX	`us-smtp-inbound-2.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
TXT	`v=spf1 ip4:149.72.90.214/32 ip4:159.183.198.234/32 ip4:167.89.53.184/32 inclu...`
TXT	`MS=ms61272938`
TXT	`ZOOM_verify_Wsr6O8byRCqSjiVua-Q__A`
TXT	`adobe-idp-site-verification=ff85075ae1cd2832fbce52b19a8bfca18b661e63dd2cf0a75...`
TXT	`adobe-sign-verification=4aae7998ea08e28c9f1ae5b242be19dd`
TXT	`atlassian-domain-verification=L0bOBwcaCZ7pbCPadtt181ogBzslfAMGJlHJK0Oo8sfjG70...`
TXT	`autodesk-domain-verification=T3Aai3_GpinQws56BA-l`
TXT	`canva-site-verification=DcH0K-c9uZ3E4y0U_Nh9Kg`
TXT	`canva-site-verification=c0YgirO5pelQI9TJQCNJDw`
TXT	`cisco-ci-domain-verification=2c9ef9cdf605aacca1981a5b8a5a29f37752016350b5a3ea...`
TXT	`docusign=e5c4a4b9-39e0-4bd3-8a96-c42227ea5388`
TXT	`dtm-domain-verification=qTOsmdxIsRRmA84pVGAqWJRcGqDgp4CdlIkw3XjDDh4`
TXT	`facebook-domain-verification=oto6y7mwkka3eeg7f61lmqplec669k`
TXT	`google-site-verification=7_CPg3Mk5gdDLXj-GHdF-LuAmemHX7_s-mMk0ix7Z9E`
TXT	`google-site-verification=eQ2yAup0HoGW2fTpuaT4IlApLYLuyn05Kco9wj2a_9E`
TXT	`google-site-verification=rabdDOS9txrBTcOdq-MPhronRadizCI0Ga6J2ZTEq4A`
TXT	`knowbe4-site-verification=c1449f7cb1b859e4bcc180b35084ce1b`
TXT	`logmein-verification-code=c00344f9-ff26-4ee7-8e9b-8dcdcccecbf9`
TXT	`miro-verification=09fc44d5072cb7782fa858d5536a5a32b35fb135`
TXT	`google-site-verification=oN46lm4AWJn8vnLVxEOlP5fNgK_bat4tRp4eG-asVHY`
TXT	`pardot1120493=a80cd18805272e0fac645195be3bf884070af7b2d7f4c772d9645a76039dca5f`
TXT	`pendo-domain-verification=42D9C2FE-374C-43CC-B73B-4F81D88525A9`
TXT	`pendo-domain-verification=Llp6XQcZqGW6l7S_e1tc4VsrYGE`
TXT	`postman-domain-verification=4934880511597bcf00e5f46e5fb923463db929d2c742aaf45...`
TXT	`sending_domain710503=473984378134739c8736260c97f58f848dc5f16388402fe97374c6a2...`
SOA	`ns1.cambiumlearning.com`hostmaster@cambiumlearning.com 2026-06-03 #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=1782903426

rank #64696 globally
rank #31163 in the tld
WOT: SAFE (96/100)
📈 Tranco rank: #45,202

Subdomains

apps.explorelearning.com

frax.explorelearning.com

help.explorelearning.com

sentry.explorelearning.com

platform.explorelearning.com

info.explorelearning.com

gz.explorelearning.com

services.explorelearning.com

vault.explorelearning.com

www.explorelearning.com

lp.explorelearning.com

connect.explorelearning.com

accounts.explorelearning.com

discover.explorelearning.com

reflex.explorelearning.com

gizmos.explorelearning.com

content.explorelearning.com

awsapis.explorelearning.com

Same first word

explorelearning.com

explorelearning.cloud

explorelearning.email

explorelearning.com.au

explorelearning.sg

explorelearning.co.uk

Similar names

exlporelearning.com

explorelearnign.com

DNS History

10 records (5 active, 5 former)

●NSns1.cambiumlearning.com2026-02-18 → 2026-07-01 · 3 obs

○ 2018-02-05 14:39:00
● 2026-02-18 06:31:24
● 2026-07-01 11:09:36

○NSns1.voyagerlearning.com2015-08-19 → 2018-02-05 · 4 obs

● 2015-08-19 10:46:04
● 2018-02-05 14:39:00
○ 2026-02-18 06:31:24
○ 2026-07-01 11:09:36

●NSns2.cambiumlearning.com2026-02-18 → 2026-07-01 · 3 obs

○ 2018-02-05 14:39:00
● 2026-02-18 06:31:24
● 2026-07-01 11:09:36

○NSns2.voyagerlearning.com2015-08-19 → 2018-02-05 · 4 obs

● 2015-08-19 10:46:04
● 2018-02-05 14:39:00
○ 2026-02-18 06:31:24
○ 2026-07-01 11:09:36

○NSns3.voyagerlearning.com2015-08-19 → 2018-02-05 · 4 obs

● 2015-08-19 10:46:04
● 2018-02-05 14:39:00
○ 2026-02-18 06:31:24
○ 2026-07-01 11:09:36

○NSns4.voyagerlearning.com2015-08-19 → 2018-02-05 · 4 obs

● 2015-08-19 10:46:04
● 2018-02-05 14:39:00
○ 2026-02-18 06:31:24
○ 2026-07-01 11:09:36

●MXus-smtp-inbound-1.mimecast.com2015-08-19 → 2026-07-01 · 2 obs

● 2015-08-19 10:46:04
● 2026-07-01 11:09:36

●MXus-smtp-inbound-2.mimecast.com2015-08-19 → 2026-07-01 · 2 obs

● 2015-08-19 10:46:04
● 2026-07-01 11:09:36

●A107.162.255.312026-02-18 → 2026-07-01 · 3 obs

○ 2018-02-05 14:39:00
● 2026-02-18 06:31:24
● 2026-07-01 11:09:36

○A63.241.199.1122015-08-19 → 2018-02-05 · 4 obs

● 2015-08-19 10:46:04
● 2018-02-05 14:39:00
○ 2026-02-18 06:31:24
○ 2026-07-01 11:09:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
explorelearning.com	ns1.cambiumlearning.com, ns2.cambiumlearning.com	2 records

✅ Authoritative Response

Server:50.238.167.169

NS records: ns1.cambiumlearning.com, ns2.cambiumlearning.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 948ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`107.162.255.31`
NS	2	`ns1.cambiumlearning.com, ns2.cambiumlearning.com`
MX	2	`us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)`
TXT	25	`v=spf1 ip4:149.72.90.214/32 ip4:159.183., MS=ms61272938...`
SOA	1	`ns1.cambiumlearning.com hostmaster.cambi`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.cambiumlearning.com, ns2.cambiumlearning.com)

Analysis

Hierarchy

explorelearning.com serves as parent to apps.explorelearning.com, frax.explorelearning.com, help.explorelearning.com, sentry.explorelearning.com, platform.explorelearning.com along with a few other host names.

IP Addresses

explorelearning.com resolves to just one IP address, 107.162.255.31.

Other host names share IP numbers with explorelearning.com; reflexmath.com is one such example.

Name Servers

explorelearning.com is served by two delegated name servers, ns1.cambiumlearning.com and ns2.cambiumlearning.com.

explorelearning.com shares its NS records with other domains, for example atliveedu.com, razspelling.org, putreadingfirst.org and two others.

explorelearning.com has at least partial name server overlap with other domains, such as bhowell.com, letrslink.com, kurzweil3000.com and two others.

ns1.cambiumlearning.com directs to 66.248.224.140 and ns2.cambiumlearning.com directs to 50.238.167.169; each host name points to exactly one IP number.

Mail Servers

explorelearning.com is served by two mail servers, us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Among the domains sharing a mail server setup with explorelearning.com are wmespeakers.com, spearstreetcapital.com, yellowstonevacations.com and two others.

At least some of explorelearning.com's mail servers are shared with other domains, among them tampabaystorm.com, secondnational.com, assuredperformance.net and kypace.org.

DNS names with 6 IP addresses:

us-smtp-inbound-1.mimecast.com carries IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, with 3 other addresses beyond those.

us-smtp-inbound-2.mimecast.com carries IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, with 3 other addresses beyond those.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.141 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.221 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.242 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.141 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.221 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.242 IP addresses.