cdxlearning.com - dns.ninja

`cdxlearning.com`

DNSSEC	⚠️ Not signed
A	2606:4700::6810:ae6a^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6810:af6a^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.16.174.106^{Cloudflare104.16.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.16.175.106^{Cloudflare104.16.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cass.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c051^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cass.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2051^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cass.ns.cloudflare.com`
		A	108.162.192.81^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	172.64.32.81^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	173.245.58.81^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
NS	`henry.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bb0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henry.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`henry.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`henry.ns.cloudflare.com`
		A	108.162.193.176^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henry.ns.cloudflare.com`
		A	172.64.33.176^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henry.ns.cloudflare.com`
		A	173.245.59.176^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`henry.ns.cloudflare.com`
MX	`cdxlearning-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01703.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr04cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:f805::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mn2pr04cu00200.inbound.protection.outlook.com`
		A	52.101.11.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.41.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00305.inbound.protection.outlook.com`
		A	52.101.41.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.41.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
TXT	`6EXMkIGpbvr13VUb8InmdZ6mixIq7NSbs1alDIWRXEGJByr0GMP5BBntPNOul+lyMfGoOGWyIXciT...`
TXT	`MS=ms27404336`
TXT	`adobe-idp-site-verification=687ee97efcc04efe0b85ab1a93211aa75fe76913677e96ca6...`
TXT	`google-site-verification=w_X2YtZt6tZItdLH3VlH7nVSc1MCP7zt3QYsw54IFE8`
TXT	`spf2.0/pra ip4:63.76.53.174 ip4:198.187.139.31 include:_spf.qualtrics.com inc...`
TXT	`v=spf1 exists:%{i}._i.%{d}._d.espf.agari.com include:%{d}.c0.spf-protect.agar...`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.16.174.106, 104.16.175.106
		IPv6 hints	2606:4700::6810:ae6a, 2606:4700::6810:af6a
SOA	`cass.ns.cloudflare.com`dns@cloudflare.com serial=2407712837

`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=1784782962

📈 Tranco rank: #260,774

Subdomains

cdxonline.cdxlearning.com

Same first word

cdxlearning.ca

cdxlearning.com

DNS History

14 records (7 active, 7 former)

●NScass.ns.cloudflare.com2026-04-01 → 2026-07-23 · 3 obs

○ 2018-01-30 14:25:08
● 2026-04-01 15:17:52
● 2026-07-23 05:21:00

○NSdns01.ascendlearning.com2016-12-18 → 2018-01-30 · 4 obs

● 2016-12-18 20:34:32
● 2018-01-30 14:25:08
○ 2026-04-01 15:17:52
○ 2026-07-23 05:21:00

○NSdns02.ascendlearning.com2016-12-18 → 2018-01-30 · 4 obs

● 2016-12-18 20:34:32
● 2018-01-30 14:25:08
○ 2026-04-01 15:17:52
○ 2026-07-23 05:21:00

●NShenry.ns.cloudflare.com2026-04-01 → 2026-07-23 · 3 obs

○ 2018-01-30 14:25:08
● 2026-04-01 15:17:52
● 2026-07-23 05:21:00

●MXcdxlearning-com.mail.protection.outlook.com2026-07-23 → 2026-07-23 · 2 obs

○ 2026-05-23 06:49:34
● 2026-07-23 05:21:00

○MXmail01.ascendlearning.com2016-12-18 → 2018-01-30 · 4 obs

● 2016-12-18 20:34:32
● 2018-01-30 14:25:08
○ 2026-04-01 15:17:52
○ 2026-07-23 05:21:00

○MXmail02.ascendlearning.com2016-12-18 → 2018-01-30 · 4 obs

● 2016-12-18 20:34:32
● 2018-01-30 14:25:08
○ 2026-04-01 15:17:52
○ 2026-07-23 05:21:00

○MXus-smtp-inbound-1.mimecast.com2026-04-01 → 2026-05-23 · 4 obs

○ 2018-01-30 14:25:08
● 2026-04-01 15:17:52
● 2026-05-23 06:49:34
○ 2026-07-23 05:21:00

○MXus-smtp-inbound-2.mimecast.com2026-04-01 → 2026-05-23 · 4 obs

○ 2018-01-30 14:25:08
● 2026-04-01 15:17:52
● 2026-05-23 06:49:34
○ 2026-07-23 05:21:00

●A104.16.174.1062026-04-01 → 2026-07-23 · 3 obs

○ 2018-01-30 14:25:08
● 2026-04-01 15:17:52
● 2026-07-23 05:21:00

●A104.16.175.1062026-04-01 → 2026-07-23 · 3 obs

○ 2018-01-30 14:25:08
● 2026-04-01 15:17:52
● 2026-07-23 05:21:00

○A198.187.138.562016-12-18 → 2018-01-30 · 4 obs

● 2016-12-18 20:34:32
● 2018-01-30 14:25:08
○ 2026-04-01 15:17:52
○ 2026-07-23 05:21:00

●A2606:4700::6810:ae6a2026-04-01 → 2026-07-23 · 3 obs

○ 2018-01-30 14:25:08
● 2026-04-01 15:17:52
● 2026-07-23 05:21:00

●A2606:4700::6810:af6a2026-04-01 → 2026-07-23 · 3 obs

○ 2018-01-30 14:25:08
● 2026-04-01 15:17:52
● 2026-07-23 05:21:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cdxlearning.com	cass.ns.cloudflare.com, henry.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.81

NS records: cass.ns.cloudflare.com, henry.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdxlearning.com (unsigned zone)

⏱️ Timing

Total: 2289ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.16.175.106, 104.16.174.106`
AAAA	2	`2606:4700::6810:ae6a, 2606:4700::6810:af6a`
NS	2	`cass.ns.cloudflare.com, henry.ns.cloudflare.com`
MX	1	`cdxlearning-com.mail.protection.outlook.`
TXT	6	`6EXMkIGpbvr13VUb8InmdZ6mixIq7NSbs1alDIWR, MS=ms27404336...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`cass.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain cdxonline.cdxlearning.com falls under the parent cdxlearning.com.

IP Addresses

cdxlearning.com directs to four IP numbers, which are 104.16.174.106, 104.16.175.106, 2606:4700::6810:ae6a and 2606:4700::6810:af6a.

Other host names, such as cdxonline.cdxlearning.com, share IP numbers with cdxlearning.com.

Name Servers

cdxlearning.com is delegated to two name servers: cass.ns.cloudflare.com and henry.ns.cloudflare.com.

cdxlearning.com uses the same name servers as several other domains — among them newxnx.fans, 73076.com, apeaotc.com and two more.

At least some of cdxlearning.com's name servers are shared with other domains, for example neuralfutureconsulting.buzz, southcoffeyvilleok.gov, timminscontracting.com and two more.

These name servers are often deployed together with the name servers zainab.ns.cloudflare.com, nitin.ns.cloudflare.com, aragorn.ns.cloudflare.com and candy.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

cass.ns.cloudflare.com resolves to 108.162.192.81, 172.64.32.81, 173.245.58.81 and 3 other IP addresses.

henry.ns.cloudflare.com resolves to 108.162.193.176, 172.64.33.176, 173.245.59.176 and 3 other IP addresses.

Mail Servers

Mail for cdxlearning.com is handled by a single mail server, cdxlearning-com.mail.protection.outlook.com.

cdxlearning-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.11.17, 52.101.41.21, 52.101.41.26 and 5 others.