fastf1.dev - dns.ninja

`fastf1.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:47f1^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:ac62^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.71.241^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.98^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`finley.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c3a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`finley.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c33a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`finley.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:233a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`finley.ns.cloudflare.com`
		A	108.162.195.58^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`finley.ns.cloudflare.com`
		A	162.159.44.58^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`finley.ns.cloudflare.com`
		A	172.64.35.58^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`finley.ns.cloudflare.com`
NS	`samara.ns.cloudflare.com`
		A	2606:4700:50::a29f:26a0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`samara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`samara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`samara.ns.cloudflare.com`
		A	108.162.194.160^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`samara.ns.cloudflare.com`
		A	162.159.38.160^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`samara.ns.cloudflare.com`
		A	172.64.34.160^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`samara.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.71.241, 172.67.172.98
		IPv6 hints	2606:4700:3035::6815:47f1, 2606:4700:3035::ac43:ac62
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=179, name=cloudflare-ech.com
SOA	`finley.ns.cloudflare.com`dns@cloudflare.com serial=2410186235

`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

fastf1.dev

fastf1.com

Similar names

1staff.ai

f1fast.com

staff1.com

staff1.org

1staff.ru

ffats1.com

1staff.com

staff1.net

DNS History

8 records (6 active, 2 former)

●NSfinley.ns.cloudflare.com2026-05-25 → 2026-08-10 · 2 obs

● 2026-05-25 20:22:26
● 2026-08-10 22:14:06

●NSsamara.ns.cloudflare.com2026-05-25 → 2026-08-10 · 2 obs

● 2026-05-25 20:22:26
● 2026-08-10 22:14:06

●A104.21.71.2412026-05-25 → 2026-08-10 · 2 obs

● 2026-05-25 20:22:26
● 2026-08-10 22:14:06

●A172.67.172.982026-05-25 → 2026-08-10 · 2 obs

● 2026-05-25 20:22:26
● 2026-08-10 22:14:06

○A2606:4700:3030::ac43:ac622026-05-25 → 2026-05-28 · 4 obs

● 2026-05-25 20:22:26
● 2026-05-28 08:09:10
○ 2026-07-07 17:40:38
○ 2026-08-10 22:14:06

○A2606:4700:3031::6815:47f12026-05-25 → 2026-05-28 · 4 obs

● 2026-05-25 20:22:26
● 2026-05-28 08:09:10
○ 2026-07-07 17:40:38
○ 2026-08-10 22:14:06

●A2606:4700:3035::6815:47f12026-07-07 → 2026-08-10 · 3 obs

○ 2026-05-28 08:09:10
● 2026-07-07 17:40:38
● 2026-08-10 22:14:06

●A2606:4700:3035::ac43:ac622026-07-07 → 2026-08-10 · 3 obs

○ 2026-05-28 08:09:10
● 2026-07-07 17:40:38
● 2026-08-10 22:14:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
fastf1.dev	samara.ns.cloudflare.com, finley.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.58

NS records: samara.ns.cloudflare.com, finley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fastf1.dev (unsigned zone)

⏱️ Timing

Total: 1534ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.71.241, 172.67.172.98`
AAAA	2	`2606:4700:3035::6815:47f1, 2606:4700:3035::ac43:ac62`
NS	2	`finley.ns.cloudflare.com, samara.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`finley.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

fastf1.dev has four IP addresses: 104.21.71.241, 172.67.172.98, 2606:4700:3035::6815:47f1 and 2606:4700:3035::ac43:ac62.

Additional host names — normacol.com, aposta-best.com, moinhat.vn and two others — share IP numbers with fastf1.dev.

Name Servers

fastf1.dev uses two name servers for its delegation: finley.ns.cloudflare.com and samara.ns.cloudflare.com.

fastf1.dev shares its name server setup with other domains, including cerebus.co.za, peakptrochester.com, pandora-models.ru and two others.

fastf1.dev shares at least some of its name servers with other domains, including forcemanagementsystem.com, webanalyste.fr, vccnbg.mom and two others.

These name servers are frequently paired with the name servers tony.ns.cloudflare.com and sandra.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname finley.ns.cloudflare.com directs to 108.162.195.58, 162.159.44.58 and 172.64.35.58 along with 3 other IP addresses.

Hostname samara.ns.cloudflare.com directs to 108.162.194.160, 162.159.38.160 and 172.64.34.160 along with 3 other IP addresses.