code.academy - dns.ninja

`code.academy`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3034::6815:3cee^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:ca8a^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.60.238^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.202.138^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`duke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
NS	`lisa.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a83^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c083^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lisa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2083^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lisa.ns.cloudflare.com`
		A	108.162.192.131^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	172.64.32.131^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	173.245.58.131^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.60.238, 172.67.202.138
		IPv6 hints	2606:4700:3034::6815:3cee, 2606:4700:3036::ac43:ca8a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=207, name=cloudflare-ech.com
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2405582307

`academy`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.academy` ⭐
	NS	`v0n1.nic.academy`
	NS	`v0n2.nic.academy`
	NS	`v0n3.nic.academy`
	NS	`v2n0.nic.academy`
	NS	`v2n1.nic.academy`
	SOA	`v0n0.nic.academy`hostmaster@donuts.email serial=1780535874

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DNS History

15 records (6 active, 9 former)

●NSduke.ns.cloudflare.com2026-03-24 → 2026-06-04 · 3 obs

○ 2017-08-23 08:47:16
● 2026-03-24 11:36:18
● 2026-06-04 01:32:44

●NSlisa.ns.cloudflare.com2026-03-24 → 2026-06-04 · 3 obs

○ 2017-08-23 08:47:16
● 2026-03-24 11:36:18
● 2026-06-04 01:32:44

○NSns1jsv.name.com2016-12-10 → 2017-08-23 · 4 obs

● 2016-12-10 23:41:34
● 2017-08-23 08:47:16
○ 2026-03-24 11:36:18
○ 2026-06-04 01:32:44

○NSns2clp.name.com2016-12-10 → 2017-08-23 · 4 obs

● 2016-12-10 23:41:34
● 2017-08-23 08:47:16
○ 2026-03-24 11:36:18
○ 2026-06-04 01:32:44

○NSns3gnv.name.com2016-12-10 → 2017-08-23 · 4 obs

● 2016-12-10 23:41:34
● 2017-08-23 08:47:16
○ 2026-03-24 11:36:18
○ 2026-06-04 01:32:44

○NSns4ksy.name.com2016-12-10 → 2017-08-23 · 4 obs

● 2016-12-10 23:41:34
● 2017-08-23 08:47:16
○ 2026-03-24 11:36:18
○ 2026-06-04 01:32:44

●A104.21.60.2382026-03-24 → 2026-06-04 · 3 obs

○ 2017-08-23 08:47:16
● 2026-03-24 11:36:18
● 2026-06-04 01:32:44

●A172.67.202.1382026-03-24 → 2026-06-04 · 3 obs

○ 2017-08-23 08:47:16
● 2026-03-24 11:36:18
● 2026-06-04 01:32:44

○A188.114.96.02026-03-24 → 2026-06-04 · 2 obs

○ 2026-03-24 11:36:18
○ 2026-06-04 01:32:44

○A188.114.97.02026-03-24 → 2026-06-04 · 2 obs

○ 2026-03-24 11:36:18
○ 2026-06-04 01:32:44

●A2606:4700:3034::6815:3cee2026-03-24 → 2026-06-04 · 3 obs

○ 2017-08-23 08:47:16
● 2026-03-24 11:36:18
● 2026-06-04 01:32:44

●A2606:4700:3036::ac43:ca8a2026-03-24 → 2026-06-04 · 3 obs

○ 2017-08-23 08:47:16
● 2026-03-24 11:36:18
● 2026-06-04 01:32:44

○A2a06:98c1:3120::2026-03-24 → 2026-06-04 · 2 obs

○ 2026-03-24 11:36:18
○ 2026-06-04 01:32:44

○A2a06:98c1:3121::2026-03-24 → 2026-06-04 · 2 obs

○ 2026-03-24 11:36:18
○ 2026-06-04 01:32:44

○A75.126.101.2462016-12-10 → 2017-08-23 · 4 obs

● 2016-12-10 23:41:34
● 2017-08-23 08:47:16
○ 2026-03-24 11:36:18
○ 2026-06-04 01:32:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
academy	v0n3.nic.academy, v0n0.nic.academy, v0n1.nic.academy, v0n2.nic.academy...	12 records
code.academy	duke.ns.cloudflare.com, lisa.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.131

NS records: duke.ns.cloudflare.com, lisa.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 402ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.202.138, 104.21.60.238`
AAAA	2	`2606:4700:3034::6815:3cee, 2606:4700:3036::ac43:ca8a`
NS	2	`duke.ns.cloudflare.com, lisa.ns.cloudflare.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`duke.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n1.nic.academy, v2n0.nic.academy, v0n3.nic.academy...)

Analysis

IP Addresses

code.academy resolves to 4 IP numbers: 104.21.60.238, 172.67.202.138, 2606:4700:3034::6815:3cee and 2606:4700:3036::ac43:ca8a.

Additional host names — bbs.sheshow.net, viatovia.com, panoccitan.org and two others — share IP numbers with code.academy.

Name Servers

code.academy is delegated to two name servers: duke.ns.cloudflare.com and lisa.ns.cloudflare.com.

code.academy shares its name server setup with other domains, including iboommedia.com, mbzn.com, hegnamaskin.no and two others.

code.academy partially shares its NS delegation with several other domains, including wjowj.com, fitclinic.ae, audience.by and two others.

These name servers often co-occur with the name servers ken.ns.cloudflare.com.

Host names with 6 IP numbers:

The hostname duke.ns.cloudflare.com resolves to 108.162.193.110, 172.64.33.110, 173.245.59.110 and three additional IP addresses.

The hostname lisa.ns.cloudflare.com resolves to 108.162.192.131, 172.64.32.131, 173.245.58.131 and three additional IP addresses.