codecademy.org - dns.ninja

`codecademy.org`

DNSSEC	⚠️ Not signed
NS	`ns-1074.awsdns-06.org` ⚠️ Not in zone NS records
		A	2600:9000:5304:3200::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1074.awsdns-06.org`
		A	205.251.196.50^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1074.awsdns-06.org`
NS	`ns-1805.awsdns-33.co.uk` ⚠️ Not in zone NS records
		A	2600:9000:5307:d00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1805.awsdns-33.co.uk`
		A	205.251.199.13^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1805.awsdns-33.co.uk`
NS	`ns-238.awsdns-29.com` ⚠️ Not in zone NS records
		A	2600:9000:5300:ee00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-238.awsdns-29.com`
		A	205.251.192.238^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-238.awsdns-29.com`
NS	`ns-538.awsdns-03.net` ⚠️ Not in zone NS records
		A	2600:9000:5302:1a00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-538.awsdns-03.net`
		A	205.251.194.26^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-538.awsdns-03.net`

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1785011833

Previously MX for

codecademy.org

Same first word

codecademy.net

codecademy.it

codecademy.cl

codecademy.cn

codecademy.co

codecademy.com

codecademy.org

codecademy.ro

codecademy.herokuapp.com

codecademy.se

codecademy.ru

codecademy.sg

codecademy.xyz

codecademy.cloud

codecademy.de

codecademy.com.mx

Similar names

codecadmey.com

codeacdemy.com

cadecomedy.com

coedcademy.com

DNS History

13 records (4 active, 9 former)

●NSns-1074.awsdns-06.org2026-04-03 → 2026-07-25 · 3 obs

○ 2016-09-18 18:03:46
● 2026-04-03 12:11:04
● 2026-07-25 20:51:56

●NSns-1805.awsdns-33.co.uk2026-04-03 → 2026-07-25 · 3 obs

○ 2016-09-18 18:03:46
● 2026-04-03 12:11:04
● 2026-07-25 20:51:56

●NSns-238.awsdns-29.com2026-04-03 → 2026-07-25 · 3 obs

○ 2016-09-18 18:03:46
● 2026-04-03 12:11:04
● 2026-07-25 20:51:56

●NSns-538.awsdns-03.net2026-04-03 → 2026-07-25 · 3 obs

○ 2016-09-18 18:03:46
● 2026-04-03 12:11:04
● 2026-07-25 20:51:56

○NSns1.speedydns.net2015-06-09 → 2016-04-11 · 4 obs

● 2015-06-09 09:19:40
● 2016-04-11 03:37:14
○ 2016-09-18 18:03:46
○ 2026-07-25 20:51:56

○NSns1bcp.name.com2016-09-18 → 2016-09-18 · 4 obs

○ 2016-04-11 03:37:14
● 2016-09-18 18:03:46
○ 2026-04-03 12:11:04
○ 2026-07-25 20:51:56

○NSns2.speedydns.net2015-06-09 → 2016-04-11 · 4 obs

● 2015-06-09 09:19:40
● 2016-04-11 03:37:14
○ 2016-09-18 18:03:46
○ 2026-07-25 20:51:56

○NSns2nsy.name.com2016-09-18 → 2016-09-18 · 4 obs

○ 2016-04-11 03:37:14
● 2016-09-18 18:03:46
○ 2026-04-03 12:11:04
○ 2026-07-25 20:51:56

○NSns3cgw.name.com2016-09-18 → 2016-09-18 · 4 obs

○ 2016-04-11 03:37:14
● 2016-09-18 18:03:46
○ 2026-04-03 12:11:04
○ 2026-07-25 20:51:56

○NSns4ksy.name.com2016-09-18 → 2016-09-18 · 4 obs

○ 2016-04-11 03:37:14
● 2016-09-18 18:03:46
○ 2026-04-03 12:11:04
○ 2026-07-25 20:51:56

○MXcodecademy.org2015-06-09 → 2016-04-11 · 4 obs

● 2015-06-09 09:19:40
● 2016-04-11 03:37:14
○ 2016-09-18 18:03:46
○ 2026-07-25 20:51:56

○A159.253.137.1092015-06-09 → 2016-04-11 · 4 obs

● 2015-06-09 09:19:40
● 2016-04-11 03:37:14
○ 2016-09-18 18:03:46
○ 2026-07-25 20:51:56

○A75.126.101.2362016-09-18 → 2016-09-18 · 4 obs

○ 2016-04-11 03:37:14
● 2016-09-18 18:03:46
○ 2026-04-03 12:11:04
○ 2026-07-25 20:51:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
codecademy.org	ns-1074.awsdns-06.org, ns-1805.awsdns-33.co.uk, ns-238.awsdns-29.com, ns-538.awsdns-03.net	2 records

✅ Authoritative Response

Server:205.251.196.50

NS records: ns-1074.awsdns-06.org, ns-1805.awsdns-33.co.uk, ns-238.awsdns-29.com, ns-538.awsdns-03.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codecademy.org (unsigned zone)

⏱️ Timing

Total: 1807ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1074.awsdns-06.org, ns-1074.awsdns-06.org)

Analysis

Name Servers

Four name servers handle the delegation for codecademy.org: ns-238.awsdns-29.com, ns-538.awsdns-03.net, ns-1074.awsdns-06.org and ns-1805.awsdns-33.co.uk.

The name servers of codecademy.org overlap at least partially with those of other domains — among them cngpng.com, codecademy.com.mx, d2qy56q54xouoj.cloudfront.net and two more.

These name servers commonly appear in combination with the name servers ns-924.awsdns-51.net.

Each of the four hosts ns-238.awsdns-29.com, ns-538.awsdns-03.net, ns-1074.awsdns-06.org and ns-1805.awsdns-33.co.uk has two IP addresses. ns-238.awsdns-29.com points to 205.251.192.238 and 2600:9000:5300:ee00::1. ns-538.awsdns-03.net points to 205.251.194.26 and 2600:9000:5302:1a00::1. ns-1074.awsdns-06.org points to 205.251.196.50 and 2600:9000:5304:3200::1. ns-1805.awsdns-33.co.uk points to 205.251.199.13 and 2600:9000:5307:d00::1.