ctdn.dev - dns.ninja

`ctdn.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:dcd3^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:2658^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.88^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.211^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b39^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c139^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2139^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alan.ns.cloudflare.com`
		A	108.162.193.57^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
		A	172.64.33.57^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
		A	173.245.59.57^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
NS	`donna.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c097^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`donna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2097^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`donna.ns.cloudflare.com`
		A	108.162.192.151^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	172.64.32.151^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
		A	173.245.58.151^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donna.ns.cloudflare.com`
TXT	`ca3-827eba4b45774e47a53dbf4a350a225e`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.38.88, 172.67.220.211
		IPv6 hints	2606:4700:3031::ac43:dcd3, 2606:4700:3035::6815:2658
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=40, name=cloudflare-ech.com
SOA	`alan.ns.cloudflare.com`dns@cloudflare.com serial=2407126697

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

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DNS History

10 records (6 active, 4 former)

●NSalan.ns.cloudflare.com2026-02-28 → 2026-06-25 · 2 obs

● 2026-02-28 02:35:12
● 2026-06-25 14:06:40

●NSdonna.ns.cloudflare.com2026-02-28 → 2026-06-25 · 2 obs

● 2026-02-28 02:35:12
● 2026-06-25 14:06:40

●A104.21.38.882026-02-28 → 2026-06-25 · 6 obs

● 2026-02-28 02:35:12
○ 2026-03-17 05:13:06
● 2026-03-17 11:43:10
● 2026-05-24 13:12:24
○ 2026-06-14 21:37:14
● 2026-06-25 14:06:40

●A172.67.220.2112026-02-28 → 2026-06-25 · 6 obs

● 2026-02-28 02:35:12
○ 2026-03-17 05:13:06
● 2026-03-17 11:43:10
● 2026-05-24 13:12:24
○ 2026-06-14 21:37:14
● 2026-06-25 14:06:40

○A188.114.96.02026-03-17 → 2026-06-14 · 6 obs

○ 2026-02-28 02:35:12
● 2026-03-17 05:13:06
○ 2026-03-17 11:43:10
○ 2026-05-24 13:12:24
● 2026-06-14 21:37:14
○ 2026-06-25 14:06:40

○A188.114.97.02026-03-17 → 2026-06-14 · 6 obs

○ 2026-02-28 02:35:12
● 2026-03-17 05:13:06
○ 2026-03-17 11:43:10
○ 2026-05-24 13:12:24
● 2026-06-14 21:37:14
○ 2026-06-25 14:06:40

●A2606:4700:3031::ac43:dcd32026-02-28 → 2026-06-25 · 6 obs

● 2026-02-28 02:35:12
○ 2026-03-17 05:13:06
● 2026-03-17 11:43:10
● 2026-05-24 13:12:24
○ 2026-06-14 21:37:14
● 2026-06-25 14:06:40

●A2606:4700:3035::6815:26582026-02-28 → 2026-06-25 · 6 obs

● 2026-02-28 02:35:12
○ 2026-03-17 05:13:06
● 2026-03-17 11:43:10
● 2026-05-24 13:12:24
○ 2026-06-14 21:37:14
● 2026-06-25 14:06:40

○A2a06:98c1:3120::2026-03-17 → 2026-06-14 · 6 obs

○ 2026-02-28 02:35:12
● 2026-03-17 05:13:06
○ 2026-03-17 11:43:10
○ 2026-05-24 13:12:24
● 2026-06-14 21:37:14
○ 2026-06-25 14:06:40

○A2a06:98c1:3121::2026-03-17 → 2026-06-14 · 6 obs

○ 2026-02-28 02:35:12
● 2026-03-17 05:13:06
○ 2026-03-17 11:43:10
○ 2026-05-24 13:12:24
● 2026-06-14 21:37:14
○ 2026-06-25 14:06:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
ctdn.dev	donna.ns.cloudflare.com, alan.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.151

NS records: donna.ns.cloudflare.com, alan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctdn.dev (unsigned zone)

⏱️ Timing

Total: 429ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.38.88, 172.67.220.211`
AAAA	2	`2606:4700:3031::ac43:dcd3, 2606:4700:3035::6815:2658`
NS	2	`alan.ns.cloudflare.com, donna.ns.cloudflare.com`
TXT	2	`ca3-827eba4b45774e47a53dbf4a350a225e, v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alan.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

ctdn.dev has four IP addresses: 104.21.38.88, 172.67.220.211, 2606:4700:3031::ac43:dcd3 and 2606:4700:3035::6815:2658.

Additional host names — wisconsinisin.com, infotek.edu.my, hoaho.net and two others — share IP numbers with ctdn.dev.

Name Servers

ctdn.dev is delegated to two name servers: alan.ns.cloudflare.com and donna.ns.cloudflare.com.

ctdn.dev shares its name server setup with other domains, including folders.com, amiad.com, chinaelle.cn and two others.

ctdn.dev partially shares its NS delegation with several other domains, including panya(0x706f726e).com, indoxxi.top, royrobinsonrv.com and two others.

The name servers moura.ns.cloudflare.com, bayan.ns.cloudflare.com, nash.ns.cloudflare.com and pablo.ns.cloudflare.com are often found in use alongside these name servers.

Host names with 6 IP numbers:

alan.ns.cloudflare.com resolves to 108.162.193.57, 172.64.33.57, 173.245.59.57 and 3 other IP addresses.

donna.ns.cloudflare.com resolves to 108.162.192.151, 172.64.32.151, 173.245.58.151 and 3 other IP addresses.