ctfy.dev - robtex.com
ctfy.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:b0ae🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:3828🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.56.40Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.176.174🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | aida.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a3a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aida.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c03a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | aida.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:203a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | aida.ns.cloudflare.com | ||||||
| A | 108.162.192.58🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aida.ns.cloudflare.com | ||||||
| A | 172.64.32.58🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aida.ns.cloudflare.com | ||||||
| A | 173.245.58.58🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aida.ns.cloudflare.com | ||||||
| NS | brian.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c24🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brian.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c324🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | brian.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2324🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | brian.ns.cloudflare.com | ||||||
| A | 108.162.195.36🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brian.ns.cloudflare.com | ||||||
| A | 162.159.44.36Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brian.ns.cloudflare.com | ||||||
| A | 172.64.35.36🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brian.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.56.40, 172.67.176.174 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:b0ae, 2606:4700:3035::6815:3828 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=239, name=cloudflare-ech.com | ||||||
| SOA | aida.ns.cloudflare.comdns@cloudflare.com serial=2401110964 | ||||||
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.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSaida.ns.cloudflare.com2026-04-08 → 2026-04-12 · 2 obs
● 2026-04-12 02:18:14
●NSbrian.ns.cloudflare.com2026-04-08 → 2026-04-12 · 2 obs
● 2026-04-12 02:18:14
●A104.21.56.402026-04-08 → 2026-04-12 · 2 obs
● 2026-04-12 02:18:14
●A172.67.176.1742026-04-08 → 2026-04-12 · 2 obs
● 2026-04-12 02:18:14
●A2606:4700:3033::ac43:b0ae2026-04-08 → 2026-04-12 · 2 obs
● 2026-04-12 02:18:14
●A2606:4700:3035::6815:38282026-04-08 → 2026-04-12 · 2 obs
● 2026-04-12 02:18:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | - |
| ctfy.dev | brian.ns.cloudflare.com, aida.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.58
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: 446ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.56.40, 172.67.176.174 |
| AAAA | 2 | 2606:4700:3035::6815:3828, 2606:4700:3033::ac43:b0ae |
| NS | 2 | aida.ns.cloudflare.com, brian.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | aida.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
ctfy.dev points to four IP numbers: 2606:4700:3033::ac43:b0ae, 2606:4700:3035::6815:3828, 104.21.56.40 and 172.67.176.174.
Other host names, for instance twin33.net, aplhsindia.in, canakkalesabah.com, plananytrip.com and nowonline.ru share IP numbers with ctfy.dev.
Name Servers
ctfy.dev's delegation is to two name servers aida.ns.cloudflare.com and brian.ns.cloudflare.com.
ctfy.dev shares the same name server configuration as other domains, such as foodiemaniac.com, unlimited.energy, tanglewoodeducation.com, sailinglutris.com and onemiracles.com.
ctfy.dev at least partially shares its name servers with other domains, for instance indodaisuntrading.com, bengkel69jpe.site, edgelix.com, meizihzp.com and entregalocalizada.com.br.
These name servers are commonly used with beau.ns.cloudflare.com, elma.ns.cloudflare.com and imani.ns.cloudflare.com.
Host names with six IP numbers:
aida.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3a, 2803:f800:50::6ca2:c03a, 2a06:98c1:50::ac40:203a, 108.162.192.58, 172.64.32.58 and 173.245.58.58.
brian.ns.cloudflare.com points to: 2606:4700:58::a29f:2c24, 2803:f800:50::6ca2:c324, 2a06:98c1:50::ac40:2324, 108.162.195.36, 162.159.44.36 and 172.64.35.36.