ctfy.dev - robtex.com

ctfy.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b0ae🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3828🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.40Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.176.174🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaida.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a3a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaida.ns.cloudflare.com
A2803:f800:50::6ca2:c03a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaida.ns.cloudflare.com
A2a06:98c1:50::ac40:203a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaida.ns.cloudflare.com
A108.162.192.58🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.32.58🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A173.245.58.58🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSbrian.ns.cloudflare.com
A2606:4700:58::a29f:2c24🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrian.ns.cloudflare.com
A2803:f800:50::6ca2:c324🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrian.ns.cloudflare.com
A2a06:98c1:50::ac40:2324🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrian.ns.cloudflare.com
A108.162.195.36🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrian.ns.cloudflare.com
A162.159.44.36Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrian.ns.cloudflare.com
A172.64.35.36🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrian.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.56.40, 172.67.176.174
IPv6 hints2606:4700:3031::ac43:b0ae, 2606:4700:3037::6815:3828
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=73, name=cloudflare-ech.com
SOAaida.ns.cloudflare.comdns@cloudflare.com serial=2406586618

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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ctfy.me
ctfy.cn
ctfy.co

Similar names

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DNS History

12 records (6 active, 6 former)

NSaida.ns.cloudflare.combrian.ns.cloudflare.comA104.21.56.40172.67.176.1742606:4700:3031::ac43:b0ae2606:4700:3037::6815:3828188.114.96.0188.114.97.02606:4700:3033::ac43:b0ae2606:4700:3035::6815:38282a06:98c1:3120::2a06:98c1:3121::
●NSaida.ns.cloudflare.com2026-04-08 → 2026-07-04 · 2 obs
● 2026-04-08 07:47:28
● 2026-07-04 04:45:06
●NSbrian.ns.cloudflare.com2026-04-08 → 2026-07-04 · 2 obs
● 2026-04-08 07:47:28
● 2026-07-04 04:45:06
●A104.21.56.402026-04-08 → 2026-07-04 · 5 obs
● 2026-04-08 07:47:28
● 2026-05-27 14:28:10
○ 2026-05-28 09:16:50
● 2026-06-06 16:28:18
● 2026-07-04 04:45:06
●A172.67.176.1742026-04-08 → 2026-07-04 · 5 obs
● 2026-04-08 07:47:28
● 2026-05-27 14:28:10
○ 2026-05-28 09:16:50
● 2026-06-06 16:28:18
● 2026-07-04 04:45:06
○A188.114.96.02026-05-28 → 2026-05-28 · 4 obs
○ 2026-05-27 14:28:10
● 2026-05-28 09:16:50
○ 2026-06-06 16:28:18
○ 2026-07-04 04:45:06
○A188.114.97.02026-05-28 → 2026-05-28 · 4 obs
○ 2026-05-27 14:28:10
● 2026-05-28 09:16:50
○ 2026-06-06 16:28:18
○ 2026-07-04 04:45:06
●A2606:4700:3031::ac43:b0ae2026-06-30 → 2026-07-04 · 3 obs
○ 2026-06-14 22:27:38
● 2026-06-30 16:59:24
● 2026-07-04 04:45:06
○A2606:4700:3033::ac43:b0ae2026-04-08 → 2026-06-14 · 7 obs
● 2026-04-08 07:47:28
● 2026-05-27 14:28:10
○ 2026-05-28 09:16:50
● 2026-06-06 16:28:18
● 2026-06-14 22:27:38
○ 2026-06-30 16:59:24
○ 2026-07-04 04:45:06
○A2606:4700:3035::6815:38282026-04-08 → 2026-06-14 · 7 obs
● 2026-04-08 07:47:28
● 2026-05-27 14:28:10
○ 2026-05-28 09:16:50
● 2026-06-06 16:28:18
● 2026-06-14 22:27:38
○ 2026-06-30 16:59:24
○ 2026-07-04 04:45:06
●A2606:4700:3037::6815:38282026-06-30 → 2026-07-04 · 3 obs
○ 2026-06-14 22:27:38
● 2026-06-30 16:59:24
● 2026-07-04 04:45:06
○A2a06:98c1:3120::2026-05-28 → 2026-05-28 · 4 obs
○ 2026-05-27 14:28:10
● 2026-05-28 09:16:50
○ 2026-06-06 16:28:18
○ 2026-07-04 04:45:06
○A2a06:98c1:3121::2026-05-28 → 2026-05-28 · 4 obs
○ 2026-05-27 14:28:10
● 2026-05-28 09:16:50
○ 2026-06-06 16:28:18
○ 2026-07-04 04:45:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...10 records
ctfy.devbrian.ns.cloudflare.com, aida.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.58

NS records: brian.ns.cloudflare.com, aida.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctfy.dev (unsigned zone)

⏱️ Timing

Total: 454ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.56.40, 172.67.176.174
AAAA22606:4700:3031::ac43:b0ae, 2606:4700:3037::6815:3828
NS2aida.ns.cloudflare.com, brian.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1aida.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

ctfy.dev directs to four IP numbers, which are 104.21.56.40, 172.67.176.174, 2606:4700:3031::ac43:b0ae and 2606:4700:3037::6815:3828.

ydl080.xyz, twin33.net, aplhsindia.in and two other host names share IP numbers with ctfy.dev.

Name Servers

ctfy.dev uses two name servers for its delegation: aida.ns.cloudflare.com and brian.ns.cloudflare.com.

ctfy.dev uses the same name servers as several other domains — among them foodiemaniac.com, unlimited.energy, tanglewoodeducation.com and two more.

The name servers of ctfy.dev overlap at least partially with those of other domains — among them indodaisuntrading.com, edgelix.com, evmonlinenavigator.live and two more.

The name servers beau.ns.cloudflare.com, elma.ns.cloudflare.com and imani.ns.cloudflare.com are commonly seen alongside these name servers.

Hostnames that resolve to 6 IP addresses:

Hostname aida.ns.cloudflare.com directs to 108.162.192.58, 172.64.32.58 and 173.245.58.58 along with 3 other IP addresses.

Hostname brian.ns.cloudflare.com directs to 108.162.195.36, 162.159.44.36 and 172.64.35.36 along with 3 other IP addresses.