api.codecademy.com - dns.ninja

`api.codecademy.com`

DNSSEC	⚠️ Not signed
A	2606:4700::6811:b778^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6811:b878^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.17.183.120^{Cloudflare104.17.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.17.184.120^{Cloudflare104.17.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.17.183.120, 104.17.184.120
		IPv6 hints	2606:4700::6811:b778, 2606:4700::6811:b878

`codecademy.com`

DNSSEC	⚠️ Not signed
A	2606:4700::6811:b778^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6811:b878^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.17.183.120^{Cloudflare104.17.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.17.184.120^{Cloudflare104.17.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arnold.ns.cloudflare.com` ⭐
NS	`serena.ns.cloudflare.com`
MX	`codecademy-com.mail.protection.outlook.com` ⭐
TXT	`MS=79764F463C8CD2E367B5BF7B1DF1B1C9FFE48501`
TXT	`MS=ms80117904`
TXT	`Mosyle-verification-1750951629`
TXT	`apple-domain-verification=6j9Dh5BuEBtMWMMg`
TXT	`atlassian-domain-verification=m7Ac1Hv/T4ePJa3hgcqMgYHykrG65YAE+oy9aqlN+aDA0kh...`
TXT	`facebook-domain-verification=mm5a3aemk4cv9yfjikcr4de2xn0ait`
TXT	`figma-domain-verification=8c0a9ebe2f3a594d9d85faed8994ef2b073a992b28ea6a3e9fa...`
TXT	`google-gws-recovery-domain-verification=57013633`
TXT	`google-site-verification=0pRbsGszBlAjZisxsJ2qJLXoXIKCdDlCSK_67hy5BjY`
TXT	`google-site-verification=1pIE7oxQFgbaSths1CckFlGEYBHxpp5pD9F_ZUCcSVA`
TXT	`google-site-verification=BAzjINWd55GJVC7I66cdi0SXSLENbMENU9tqByphDmQ`
TXT	`google-site-verification=BB5unuHbdt4pYsHrMorf_R-mKcUdy5Bk2vvz0Ie_q44`
TXT	`google-site-verification=H0SayPMoRT_4rzjNrg2YvbxiRvQbqSTlwSM0D0wht8U`
TXT	`google-site-verification=M2VbalsxRQjMfelTnHdpgHIeqOKE6CYWnhj6VbGMFH8`
TXT	`google-site-verification=dqlGjeLuQLofS51hgFB6ptoJWM0EkcPoe7G1gmL9muw`
TXT	`google-site-verification=vIdZhswzF-KMQmIllHFhS6VnmeHUvsCKTccrXjab-Lw`
TXT	`google-site-verification=wkpord_VFYRlAcjf2hV21FHnsScCpA9YiMOQqACXsvQ`
TXT	`openai-domain-verification=dv-RFgs6gJx1YSwFBosC1y2RA1n`
TXT	`segment-site-verification=NJFFQLAhEEX3Uyz0vgrzNf3fplm6iYsg`
TXT	`v=DKIM1; p=`
TXT	`v=spf1 include:customeriomail.com include:mail.zendesk.com include:_spf.googl...`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.17.183.120, 104.17.184.120
		IPv6 hints	2606:4700::6811:b778, 2606:4700::6811:b878
SOA	`arnold.ns.cloudflare.com`dns@cloudflare.com serial=2411132416

WOT: SAFE (94/100)
rank #1775 globally
rank #947 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #5,529

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DNS History

17 records (4 active, 13 former)

●A104.17.183.1202026-02-19 → 2026-08-04 · 3 obs

○ 2016-07-11 04:14:16
● 2026-02-19 01:54:04
● 2026-08-04 11:49:56

●A104.17.184.1202026-02-19 → 2026-08-04 · 3 obs

○ 2016-07-11 04:14:16
● 2026-02-19 01:54:04
● 2026-08-04 11:49:56

○A107.20.226.742015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 08:01:56
○ 2026-02-19 01:54:04
○ 2026-08-04 11:49:56

○A107.21.107.1492015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 08:01:56
○ 2026-02-19 01:54:04
○ 2026-08-04 11:49:56

○A174.129.199.2012016-07-11 → 2016-07-11 · 4 obs

○ 2016-03-04 23:51:16
● 2016-07-11 04:14:16
○ 2026-02-19 01:54:04
○ 2026-08-04 11:49:56

○A23.21.161.1482015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 08:01:56
○ 2026-02-19 01:54:04
○ 2026-08-04 11:49:56

○A23.21.201.352015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 08:01:56
○ 2026-02-19 01:54:04
○ 2026-08-04 11:49:56

○A23.21.61.1502015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 08:01:56
○ 2026-02-19 01:54:04
○ 2026-08-04 11:49:56

○A23.21.97.862015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 08:01:56
○ 2026-02-19 01:54:04
○ 2026-08-04 11:49:56

○A23.23.138.2482015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 08:01:56
○ 2026-02-19 01:54:04
○ 2026-08-04 11:49:56

○A23.23.175.1052015-12-04 → 2015-12-04 · 4 obs

○ 2015-08-10 08:01:56
● 2015-12-04 11:18:46
○ 2016-03-04 23:51:16
○ 2026-08-04 11:49:56

●A2606:4700::6811:b7782026-02-19 → 2026-08-04 · 3 obs

○ 2016-07-11 04:14:16
● 2026-02-19 01:54:04
● 2026-08-04 11:49:56

●A2606:4700::6811:b8782026-02-19 → 2026-08-04 · 3 obs

○ 2016-07-11 04:14:16
● 2026-02-19 01:54:04
● 2026-08-04 11:49:56

○A50.16.232.1512016-03-04 → 2016-03-04 · 4 obs

○ 2015-12-04 11:18:46
● 2016-03-04 23:51:16
○ 2016-07-11 04:14:16
○ 2026-08-04 11:49:56

○A54.243.114.1962015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 08:01:56
○ 2026-02-19 01:54:04
○ 2026-08-04 11:49:56

○CNAMEcodecademy-api.herokuapp.com2015-08-10 → 2016-07-11 · 4 obs

● 2015-08-10 08:01:56
● 2016-07-11 04:14:16
○ 2026-02-19 01:54:04
○ 2026-08-04 11:49:56

○CNAMEus-east-1-a.route.herokuapp.com2015-12-04 → 2016-07-11 · 5 obs

○ 2015-08-10 08:01:56
● 2015-12-04 11:18:46
● 2016-07-11 04:14:16
○ 2026-02-19 01:54:04
○ 2026-08-04 11:49:56

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:172.64.32.220

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codecademy.com (unsigned zone)

⏱️ Timing

Total: 197ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.17.183.120, 104.17.184.120`
AAAA	2	`2606:4700::6811:b878, 2606:4700::6811:b778`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

api.codecademy.com points to the four IP addresses 104.17.183.120, 104.17.184.120, 2606:4700::6811:b778 and 2606:4700::6811:b878.

Additional host names — content.codecademy.com, workspace.production-eks.codecademy.com, notifications.production-eks.codecademy.com and two others — share IP numbers with api.codecademy.com.