codeacademy.com - dns.ninja

`codeacademy.com`

DNSSEC	⚠️ Not signed
A	2606:4700::6812:8dd^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:9dd^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.8.221^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.9.221^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arnold.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b45^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c145^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arnold.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2145^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arnold.ns.cloudflare.com`
		A	108.162.193.69^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	172.64.33.69^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	173.245.59.69^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
NS	`serena.ns.cloudflare.com`
		A	2606:4700:50::adf5:3adc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0dc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`serena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20dc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`serena.ns.cloudflare.com`
		A	108.162.192.220^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	172.64.32.220^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	173.245.58.220^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
MX	`codeacademy-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c946::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:f90b::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f913::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr05cu00101.inbound.protection.outlook.com`
		A	52.101.41.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00103.inbound.protection.outlook.com`
		A	52.101.41.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00305.inbound.protection.outlook.com`
		A	52.101.194.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch0pr04cu00605.inbound.protection.outlook.com`
		A	52.101.194.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch4pr21cu00107.inbound.protection.outlook.com`
TXT	`MS=ms81659550`
TXT	`google-site-verification=IMSSL5XkBDhiJBtdm2oiluAZ69EAMGoXbljr19b2sU4`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.8.221, 104.18.9.221
		IPv6 hints	2606:4700::6812:8dd, 2606:4700::6812:9dd
SOA	`arnold.ns.cloudflare.com`dns@cloudflare.com serial=2408368466

`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=1786079979

rank #229179 globally
rank #95846 in the tld
WOT: SAFE (70/100)
📈 Tranco rank: #861,548

Subdomains

www.codeacademy.com

Same first word

Similar names

codeacedamy.com

decoacademy.com

academycode.com

DNS History

35 records (7 active, 28 former)

●NSarnold.ns.cloudflare.com2018-09-09 → 2026-08-07 · 3 obs

○ 2016-11-24 04:51:28
● 2018-09-09 22:47:22
● 2026-08-07 05:46:12

○NSns-1460.awsdns-54.org2015-08-07 → 2016-11-24 · 5 obs

○ 2008-03-20 08:41:28
● 2015-08-07 08:20:24
● 2016-11-24 04:51:28
○ 2018-09-09 22:47:22
○ 2026-08-07 05:46:12

○NSns-1634.awsdns-12.co.uk2015-08-07 → 2016-11-24 · 5 obs

○ 2008-03-20 08:41:28
● 2015-08-07 08:20:24
● 2016-11-24 04:51:28
○ 2018-09-09 22:47:22
○ 2026-08-07 05:46:12

○NSns-345.awsdns-43.com2015-08-07 → 2016-11-24 · 5 obs

○ 2008-03-20 08:41:28
● 2015-08-07 08:20:24
● 2016-11-24 04:51:28
○ 2018-09-09 22:47:22
○ 2026-08-07 05:46:12

○NSns-754.awsdns-30.net2015-08-07 → 2016-11-24 · 5 obs

○ 2008-03-20 08:41:28
● 2015-08-07 08:20:24
● 2016-11-24 04:51:28
○ 2018-09-09 22:47:22
○ 2026-08-07 05:46:12

●NSserena.ns.cloudflare.com2018-09-09 → 2026-08-07 · 3 obs

○ 2016-11-24 04:51:28
● 2018-09-09 22:47:22
● 2026-08-07 05:46:12

○MXalt1.aspmx.l.google.com2015-08-07 → 2018-09-09 · 5 obs

○ 2008-03-20 08:41:28
● 2015-08-07 08:20:24
● 2018-09-09 22:47:22
○ 2026-02-26 03:21:26
○ 2026-08-07 05:46:12

○MXalt2.aspmx.l.google.com2015-08-07 → 2018-09-09 · 5 obs

○ 2008-03-20 08:41:28
● 2015-08-07 08:20:24
● 2018-09-09 22:47:22
○ 2026-02-26 03:21:26
○ 2026-08-07 05:46:12

○MXaspmx1.googlemail.com2015-08-07 → 2018-09-09 · 5 obs

○ 2008-03-20 08:41:28
● 2015-08-07 08:20:24
● 2018-09-09 22:47:22
○ 2026-02-26 03:21:26
○ 2026-08-07 05:46:12

○MXaspmx2.googlemail.com2015-08-07 → 2018-09-09 · 5 obs

○ 2008-03-20 08:41:28
● 2015-08-07 08:20:24
● 2018-09-09 22:47:22
○ 2026-02-26 03:21:26
○ 2026-08-07 05:46:12

○MXaspmx3.googlemail.com2015-08-07 → 2018-09-09 · 5 obs

○ 2008-03-20 08:41:28
● 2015-08-07 08:20:24
● 2018-09-09 22:47:22
○ 2026-02-26 03:21:26
○ 2026-08-07 05:46:12

○MXaspmx4.googlemail.com2015-08-07 → 2018-09-09 · 5 obs

○ 2008-03-20 08:41:28
● 2015-08-07 08:20:24
● 2018-09-09 22:47:22
○ 2026-02-26 03:21:26
○ 2026-08-07 05:46:12

○MXaspmx5.googlemail.com2015-08-07 → 2018-09-09 · 5 obs

○ 2008-03-20 08:41:28
● 2015-08-07 08:20:24
● 2018-09-09 22:47:22
○ 2026-02-26 03:21:26
○ 2026-08-07 05:46:12

●MXcodeacademy-com.mail.protection.outlook.com2026-02-26 → 2026-08-07 · 3 obs

○ 2018-09-09 22:47:22
● 2026-02-26 03:21:26
● 2026-08-07 05:46:12

○MXmx00.1and1.co.uk2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 08:41:28
○ 2015-08-07 08:20:24
○ 2026-08-07 05:46:12

○MXmx01.1and1.co.uk2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 08:41:28
○ 2015-08-07 08:20:24
○ 2026-08-07 05:46:12

●A104.18.8.2212026-02-26 → 2026-08-07 · 3 obs

○ 2018-09-09 22:47:22
● 2026-02-26 03:21:26
● 2026-08-07 05:46:12

●A104.18.9.2212026-02-26 → 2026-08-07 · 3 obs

○ 2018-09-09 22:47:22
● 2026-02-26 03:21:26
● 2026-08-07 05:46:12

○A104.20.10.1962018-09-09 → 2018-09-09 · 4 obs

○ 2016-11-24 04:51:28
● 2018-09-09 22:47:22
○ 2026-02-26 03:21:26
○ 2026-08-07 05:46:12

○A104.20.11.1962018-09-09 → 2018-09-09 · 4 obs

○ 2016-11-24 04:51:28
● 2018-09-09 22:47:22
○ 2026-02-26 03:21:26
○ 2026-08-07 05:46:12

○A107.20.231.812015-08-07 → 2015-08-07 · 4 obs

○ 2008-03-20 08:41:28
● 2015-08-07 08:20:24
○ 2015-09-17 07:51:04
○ 2026-08-07 05:46:12

○A107.20.249.1332016-01-30 → 2016-02-05 · 5 obs

○ 2015-11-11 06:49:28
● 2016-01-30 23:20:28
● 2016-02-05 22:50:26
○ 2016-06-22 22:52:52
○ 2026-08-07 05:46:12

○A107.22.174.1522016-11-24 → 2016-11-24 · 4 obs

○ 2016-06-22 22:52:52
● 2016-11-24 04:51:28
○ 2018-09-09 22:47:22
○ 2026-08-07 05:46:12

○A174.129.217.22015-11-11 → 2015-11-11 · 4 obs

○ 2015-09-17 07:51:04
● 2015-11-11 06:49:28
○ 2016-01-30 23:20:28
○ 2026-08-07 05:46:12

○A184.72.235.1032016-06-22 → 2016-06-22 · 4 obs

○ 2016-02-05 22:50:26
● 2016-06-22 22:52:52
○ 2016-11-24 04:51:28
○ 2026-08-07 05:46:12

○A184.73.222.2342015-08-07 → 2015-08-07 · 4 obs

○ 2008-03-20 08:41:28
● 2015-08-07 08:20:24
○ 2015-09-17 07:51:04
○ 2026-08-07 05:46:12

○A217.155.137.2252008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 08:41:28
○ 2015-08-07 08:20:24
○ 2026-08-07 05:46:12

○A23.21.104.1002016-01-30 → 2016-11-24 · 5 obs

○ 2015-11-11 06:49:28
● 2016-01-30 23:20:28
● 2016-11-24 04:51:28
○ 2018-09-09 22:47:22
○ 2026-08-07 05:46:12

○A23.21.79.232015-09-17 → 2015-09-17 · 4 obs

○ 2008-03-20 08:41:28
● 2015-09-17 07:51:04
○ 2015-11-11 06:49:28
○ 2026-08-07 05:46:12

○A23.23.140.892015-11-11 → 2015-11-11 · 4 obs

○ 2015-09-17 07:51:04
● 2015-11-11 06:49:28
○ 2016-01-30 23:20:28
○ 2026-08-07 05:46:12

○A2400:cb00:2048:1::6814:ac42018-09-09 → 2018-09-09 · 4 obs

○ 2016-11-24 04:51:28
● 2018-09-09 22:47:22
○ 2026-02-26 03:21:26
○ 2026-08-07 05:46:12

○A2400:cb00:2048:1::6814:bc42018-09-09 → 2018-09-09 · 4 obs

○ 2016-11-24 04:51:28
● 2018-09-09 22:47:22
○ 2026-02-26 03:21:26
○ 2026-08-07 05:46:12

●A2606:4700::6812:8dd2026-02-26 → 2026-08-07 · 3 obs

○ 2018-09-09 22:47:22
● 2026-02-26 03:21:26
● 2026-08-07 05:46:12

●A2606:4700::6812:9dd2026-02-26 → 2026-08-07 · 3 obs

○ 2018-09-09 22:47:22
● 2026-02-26 03:21:26
● 2026-08-07 05:46:12

○A54.235.101.1942015-09-17 → 2015-09-17 · 4 obs

○ 2008-03-20 08:41:28
● 2015-09-17 07:51:04
○ 2015-11-11 06:49:28
○ 2026-08-07 05:46:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net...	-
codeacademy.com	arnold.ns.cloudflare.com, serena.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.220

NS records: arnold.ns.cloudflare.com, serena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeacademy.com (unsigned zone)

⏱️ Timing

Total: 260ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.8.221, 104.18.9.221`
AAAA	2	`2606:4700::6812:9dd, 2606:4700::6812:8dd`
NS	2	`arnold.ns.cloudflare.com, serena.ns.cloudflare.com`
MX	1	`codeacademy-com.mail.protection.outlook.`
TXT	3	`MS=ms81659550, google-site-verification=IMSSL5XkBDhiJBt...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`arnold.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

codeacademy.com is the parent zone for www.codeacademy.com.

IP Addresses

codeacademy.com has four IP addresses: 104.18.8.221, 104.18.9.221, 2606:4700::6812:8dd and 2606:4700::6812:9dd.

runpod.ai, www.dhresource.com.cloudscdn.net, crm.mymedleads.com.cdn.cloudflare.net plus two other host names have IP numbers in common with codeacademy.com.

Name Servers

codeacademy.com has two authoritative name servers — arnold.ns.cloudflare.com and serena.ns.cloudflare.com.

The name server configuration of codeacademy.com is shared with other domains, for instance castnet.co.uk, gite-gers-france.com, bufferbloat.net and two others.

codeacademy.com partially shares its NS delegation with several other domains, including tbilisilive.click, hccpp.com, 498005.com and two others.

These name servers regularly co-occur with the name servers ivy.ns.cloudflare.com, pearl.ns.cloudflare.com and jamie.ns.cloudflare.com.

Hosts with 6 IP addresses each:

arnold.ns.cloudflare.com points to 108.162.193.69, 172.64.33.69, 173.245.59.69 and 3 other IP addresses.

serena.ns.cloudflare.com points to 108.162.192.220, 172.64.32.220, 173.245.58.220 and 3 other IP addresses.

Mail Servers

codeacademy.com uses one mail server — codeacademy-com.mail.protection.outlook.com.

codeacademy-com.mail.protection.outlook.com has 8 IP addresses: 52.101.41.3, 52.101.41.21, 52.101.194.13 plus 5 more.