ctdn.dev - robtex.com

ctdn.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:dcd3🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:2658🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.88Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.220.211🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalan.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b39🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalan.ns.cloudflare.com
A2803:f800:50::6ca2:c139🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalan.ns.cloudflare.com
A2a06:98c1:50::ac40:2139🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalan.ns.cloudflare.com
A108.162.193.57🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalan.ns.cloudflare.com
A172.64.33.57🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalan.ns.cloudflare.com
A173.245.59.57🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalan.ns.cloudflare.com
NSdonna.ns.cloudflare.com
A2606:4700:50::adf5:3a97🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
A2803:f800:50::6ca2:c097🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdonna.ns.cloudflare.com
A2a06:98c1:50::ac40:2097🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdonna.ns.cloudflare.com
A108.162.192.151🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
A172.64.32.151🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
A173.245.58.151🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonna.ns.cloudflare.com
TXTca3-827eba4b45774e47a53dbf4a350a225e
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.38.88, 172.67.220.211
IPv62606:4700:3031::ac43:dcd3, 2606:4700:3035::6815:2658
SOAalan.ns.cloudflare.comdns@cloudflare.com serial=2399076996

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

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cdtn.com

DNS History

10 records (6 active, 4 former)

NSalan.ns.cloudflare.comdonna.ns.cloudflare.comA104.21.38.88172.67.220.2112606:4700:3031::ac43:dcd32606:4700:3035::6815:2658188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSalan.ns.cloudflare.com2026-02-28 → 2026-03-23 · 2 obs
● 2026-02-28 02:35:12
● 2026-03-23 19:08:40
●NSdonna.ns.cloudflare.com2026-02-28 → 2026-03-23 · 2 obs
● 2026-02-28 02:35:12
● 2026-03-23 19:08:40
●A104.21.38.882026-02-28 → 2026-03-23 · 4 obs
● 2026-02-28 02:35:12
○ 2026-03-17 05:13:06
● 2026-03-17 11:43:10
● 2026-03-23 19:08:40
●A172.67.220.2112026-02-28 → 2026-03-23 · 4 obs
● 2026-02-28 02:35:12
○ 2026-03-17 05:13:06
● 2026-03-17 11:43:10
● 2026-03-23 19:08:40
○A188.114.96.02026-03-17 → 2026-03-17 · 4 obs
○ 2026-02-28 02:35:12
● 2026-03-17 05:13:06
○ 2026-03-17 11:43:10
○ 2026-03-23 19:08:40
○A188.114.97.02026-03-17 → 2026-03-17 · 4 obs
○ 2026-02-28 02:35:12
● 2026-03-17 05:13:06
○ 2026-03-17 11:43:10
○ 2026-03-23 19:08:40
●A2606:4700:3031::ac43:dcd32026-02-28 → 2026-03-23 · 4 obs
● 2026-02-28 02:35:12
○ 2026-03-17 05:13:06
● 2026-03-17 11:43:10
● 2026-03-23 19:08:40
●A2606:4700:3035::6815:26582026-02-28 → 2026-03-23 · 4 obs
● 2026-02-28 02:35:12
○ 2026-03-17 05:13:06
● 2026-03-17 11:43:10
● 2026-03-23 19:08:40
○A2a06:98c1:3120::2026-03-17 → 2026-03-17 · 4 obs
○ 2026-02-28 02:35:12
● 2026-03-17 05:13:06
○ 2026-03-17 11:43:10
○ 2026-03-23 19:08:40
○A2a06:98c1:3121::2026-03-17 → 2026-03-17 · 4 obs
○ 2026-02-28 02:35:12
● 2026-03-17 05:13:06
○ 2026-03-17 11:43:10
○ 2026-03-23 19:08:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
ctdn.devalan.ns.cloudflare.com, donna.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.57

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctdn.dev (unsigned zone)

⏱️ Timing

Total: 358ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.220.211, 104.21.38.88
AAAA22606:4700:3031::ac43:dcd3, 2606:4700:3035::6815:2658
NS2alan.ns.cloudflare.com, donna.ns.cloudflare.com
TXT2ca3-827eba4b45774e47a53dbf4a350a225e, v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1alan.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

Four IP numbers are pointed to by ctdn.dev: 2606:4700:3031::ac43:dcd3, 2606:4700:3035::6815:2658, 104.21.38.88 and 172.67.220.211.

other host names including hoaho.net, amhk.cn, ieelhormiguerocali.edu.co, coolzino.com.pt and vinnyboy13.com 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 the same name server setup as other domains, for instance folders.com, amiad.com, chinaelle.cn, xylds.com and artnew.cn.

ctdn.dev at least partially shares name servers with other domains, for instance panya(0x706f726e).com, indoxxi.top, royrobinsonrv.com, britshorts.com and whateveryourworkmaybe.com.

These name servers are commonly used with moura.ns.cloudflare.com, jose.ns.cloudflare.com and pablo.ns.cloudflare.com.

Host names with six IP numbers:

Host name alan.ns.cloudflare.com points to: 2606:4700:58::adf5:3b39, 2803:f800:50::6ca2:c139, 2a06:98c1:50::ac40:2139, 108.162.193.57, 172.64.33.57 and 173.245.59.57.

Host name donna.ns.cloudflare.com points to: 2606:4700:50::adf5:3a97, 2803:f800:50::6ca2:c097, 2a06:98c1:50::ac40:2097, 108.162.192.151, 172.64.32.151 and 173.245.58.151.