cfb.dev - dns.ninja

`cfb.dev`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3033::6815:221e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a7d7^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.34.30^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.215^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gigi.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:260c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gigi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c20c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gigi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:220c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gigi.ns.cloudflare.com`
		A	108.162.194.12^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gigi.ns.cloudflare.com`
		A	162.159.38.12^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gigi.ns.cloudflare.com`
		A	172.64.34.12^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gigi.ns.cloudflare.com`
NS	`rudy.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rudy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rudy.ns.cloudflare.com`
		A	108.162.193.229^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
		A	172.64.33.229^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
		A	173.245.59.229^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rudy.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`protonmail-verification=2fbb428cdf6297f5a7affb56b004279850dba0c2`
TXT	`v=spf1 include:_spf.protonmail.ch mx ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.34.30, 172.67.167.215
		IPv6 hints	2606:4700:3033::6815:221e, 2606:4700:3034::ac43:a7d7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=27, name=cloudflare-ech.com
SOA	`gigi.ns.cloudflare.com`dns@cloudflare.com serial=2405993684

`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)

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DNS History

8 records (8 active, 0 former)

●NSgigi.ns.cloudflare.com2026-02-19 → 2026-06-14 · 2 obs

● 2026-02-19 17:19:00
● 2026-06-14 14:13:14

●NSrudy.ns.cloudflare.com2026-02-19 → 2026-06-14 · 2 obs

● 2026-02-19 17:19:00
● 2026-06-14 14:13:14

●MXmail.protonmail.ch2026-02-19 → 2026-06-14 · 2 obs

● 2026-02-19 17:19:00
● 2026-06-14 14:13:14

●MXmailsec.protonmail.ch2026-02-19 → 2026-06-14 · 2 obs

● 2026-02-19 17:19:00
● 2026-06-14 14:13:14

●A104.21.34.302026-02-19 → 2026-06-14 · 2 obs

● 2026-02-19 17:19:00
● 2026-06-14 14:13:14

●A172.67.167.2152026-02-19 → 2026-06-14 · 2 obs

● 2026-02-19 17:19:00
● 2026-06-14 14:13:14

●A2606:4700:3033::6815:221e2026-02-19 → 2026-06-14 · 2 obs

● 2026-02-19 17:19:00
● 2026-06-14 14:13:14

●A2606:4700:3034::ac43:a7d72026-02-19 → 2026-06-14 · 2 obs

● 2026-02-19 17:19:00
● 2026-06-14 14:13:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
cfb.dev	rudy.ns.cloudflare.com, gigi.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.229

NS records: rudy.ns.cloudflare.com, gigi.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1315ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.167.215, 104.21.34.30`
AAAA	2	`2606:4700:3033::6815:221e, 2606:4700:3034::ac43:a7d7`
NS	2	`gigi.ns.cloudflare.com, rudy.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	2	`protonmail-verification=2fbb428cdf6297f5, v=spf1 include:_spf.protonmail.ch mx ~al`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gigi.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

cfb.dev has four IP addresses: 104.21.34.30, 172.67.167.215, 2606:4700:3033::6815:221e and 2606:4700:3034::ac43:a7d7.

Among the host names that share IP numbers with cfb.dev are open365.agency, wirewellelectronics.co.uk, www.thispointer.com and two others.

Name Servers

cfb.dev has two authoritative name servers — gigi.ns.cloudflare.com and rudy.ns.cloudflare.com.

cfb.dev has the same name server delegation as a number of other domains, such as aada.org.br, waterdamagerestorationrichardsontx.online, 1xbet-japan.bet and two more.

cfb.dev shares at least some of its name servers with other domains, including grade.us, pbcplanningcongress.org, fonestarz.com and two others.

These name servers are frequently paired with the name servers jermaine.ns.cloudflare.com and nancy.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

gigi.ns.cloudflare.com points to 108.162.194.12, 162.159.38.12, 172.64.34.12 and 3 other IP addresses.

rudy.ns.cloudflare.com points to 108.162.193.229, 172.64.33.229, 173.245.59.229 and 3 other IP addresses.

Mail Servers

The MX records for cfb.dev point to two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.

cfb.dev has the same mail server arrangement as a number of other domains, for example cemaleker.com, i-ack.com, jsbc.co and two more.

cfb.dev shares at least some of its mail servers with other domains — for example wosk.ca, leothaud.eu, benmenahem.com and two more.

mail.protonmail.ch and mailsec.protonmail.ch each resolve to three IP addresses. mail.protonmail.ch resolves to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch resolves to 176.119.200.129, 185.70.42.129 and 185.205.70.129.