content.explorelearning.com - dns.ninja

`content.explorelearning.com`

CNAME	`dqfx9oxmnx30h.cloudfront.net`
DNSSEC	⚠️ Not signed
A	2600:9000:2365:e00:19:60cb:2040:93a1^{🇺🇸 Amazon2600:9000:2365::/48}
A	2600:9000:2365:3000:19:60cb:2040:93a1^{🇺🇸 Amazon2600:9000:2365::/48}
A	2600:9000:2365:3c00:19:60cb:2040:93a1^{🇺🇸 Amazon2600:9000:2365::/48}
A	2600:9000:2365:4c00:19:60cb:2040:93a1^{🇺🇸 Amazon2600:9000:2365::/48}
A	2600:9000:2365:7800:19:60cb:2040:93a1^{🇺🇸 Amazon2600:9000:2365::/48}
A	2600:9000:2365:9c00:19:60cb:2040:93a1^{🇺🇸 Amazon2600:9000:2365::/48}
A	2600:9000:2365:d600:19:60cb:2040:93a1^{🇺🇸 Amazon2600:9000:2365::/48}
A	2600:9000:2365:ec00:19:60cb:2040:93a1^{🇺🇸 Amazon2600:9000:2365::/48}
A	216.137.39.9^{🇺🇸 Amazon216.137.39.0/24}
A	216.137.39.12^{🇺🇸 Amazon216.137.39.0/24}
A	216.137.39.22^{🇺🇸 Amazon216.137.39.0/24}
A	216.137.39.91^{🇺🇸 Amazon216.137.39.0/24}
NS	`ns-59.awsdns-07.com` ⭐
		A	2600:9000:5300:3b00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-59.awsdns-07.com`
		A	205.251.192.59^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-59.awsdns-07.com`
NS	`ns-1351.awsdns-40.org`
		A	2600:9000:5305:4700::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1351.awsdns-40.org`
		A	205.251.197.71^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1351.awsdns-40.org`
NS	`ns-1817.awsdns-35.co.uk`
		A	2600:9000:5307:1900::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1817.awsdns-35.co.uk`
		A	205.251.199.25^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1817.awsdns-35.co.uk`
NS	`ns-960.awsdns-56.net`
		A	2600:9000:5303:c000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-960.awsdns-56.net`
		A	205.251.195.192^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-960.awsdns-56.net`
HTTPS	HTTP/2
SOA	`ns-59.awsdns-07.com`awsdns-hostmaster@amazon.com serial=1

`explorelearning.com`

	DNSSEC	🔒 Signed (DS record present)
	A	107.162.255.31^{🇺🇸 F5107.162.254.0/23 via EMIX}
	NS	`ns1.cambiumlearning.com` ⭐
	NS	`ns2.cambiumlearning.com`
	MX	`us-smtp-inbound-1.mimecast.com` ⭐
	MX	`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	`adobe-sign-verification=4aae7998ea08e28c9f1ae5b242be19dd`
	TXT	`MS=ms61272938`
	TXT	`ZOOM_verify_Wsr6O8byRCqSjiVua-Q__A`
	TXT	`adobe-idp-site-verification=ff85075ae1cd2832fbce52b19a8bfca18b661e63dd2cf0a75...`
	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 2026-07-01 #1

WOT: SAFE (61/100)
rank #61518 globally
rank #29782 in the tld
WOT: SAFE (96/100)
📈 Tranco rank: #45,448

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DNS History

1 record (1 active, 0 former)

●CNAMEdqfx9oxmnx30h.cloudfront.net2018-09-23 → 2026-07-03 · 2 obs

● 2018-09-23 21:10:28
● 2026-07-03 12:06:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.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: 334ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`dqfx9oxmnx30h.cloudfront.net`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

content.explorelearning.com directs to 12 IP numbers: 216.137.39.9, 216.137.39.12, 216.137.39.22 and 9 other.

Two other host names, along with api-asset.kinemasters.com, awsiamactions.org and chicaccessori.com.ar, also share IP numbers with content.explorelearning.com.

Name Servers

The NS records for content.explorelearning.com point to four name servers: ns-59.awsdns-07.com, ns-960.awsdns-56.net, ns-1351.awsdns-40.org and ns-1817.awsdns-35.co.uk.

content.explorelearning.com shares at least some of its name servers with other domains, including d1ijxi6ljrlc3i.cloudfront.net, cive.app, boersmafuneralhome.com and two others.

The name servers ns-460.awsdns-57.com, ns-920.awsdns-51.net, ns-1498.awsdns-59.org and two others are commonly seen in use alongside these name servers.

The host names ns-59.awsdns-07.com, ns-960.awsdns-56.net, ns-1351.awsdns-40.org and ns-1817.awsdns-35.co.uk each resolve to two IP addresses: ns-59.awsdns-07.com resolves to 205.251.192.59 and 2600:9000:5300:3b00::1; ns-960.awsdns-56.net resolves to 205.251.195.192 and 2600:9000:5303:c000::1; ns-1351.awsdns-40.org resolves to 205.251.197.71 and 2600:9000:5305:4700::1; ns-1817.awsdns-35.co.uk resolves to 205.251.199.25 and 2600:9000:5307:1900::1.