firstfocus.dev - dns.ninja

`firstfocus.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:9065^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4769^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.71.105^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.144.101^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`itzel.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:262a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`itzel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`itzel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`itzel.ns.cloudflare.com`
		A	108.162.194.42^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`itzel.ns.cloudflare.com`
		A	162.159.38.42^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`itzel.ns.cloudflare.com`
		A	172.64.34.42^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`itzel.ns.cloudflare.com`
NS	`matt.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b83^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c183^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`matt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2183^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`matt.ns.cloudflare.com`
		A	108.162.193.131^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	172.64.33.131^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	173.245.59.131^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁹⁴⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹⁷⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`google-site-verification=Ck4GP7LNIaP75TwOjmYNuiwczKyLXcqP-kKFoUhFri0`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.71.105, 172.67.144.101
		IPv6 hints	2606:4700:3030::ac43:9065, 2606:4700:3037::6815:4769
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=191, name=cloudflare-ech.com
SOA	`itzel.ns.cloudflare.com`dns@cloudflare.com serial=2408896413

`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

firstfocus.co

firstfocus.com.au

firstfocus.com

firstfocus.dev

firstfocus.app

firstfocus.nl

firstfocus.org

firstfocus.co.uk

firstfocus.net

firstfocus.eu

firstfocus.de

Similar names

focusfirst.co.uk

focusfirst.de

DNS History

10 records (9 active, 1 former)

●NSitzel.ns.cloudflare.com2026-04-12 → 2026-07-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-07-11 19:09:38

●NSmatt.ns.cloudflare.com2026-04-12 → 2026-07-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-07-11 19:09:38

●MXroute1.mx.cloudflare.net2026-04-12 → 2026-07-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-07-11 19:09:38

●MXroute2.mx.cloudflare.net2026-04-12 → 2026-07-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-07-11 19:09:38

●MXroute3.mx.cloudflare.net2026-04-12 → 2026-07-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-07-11 19:09:38

●A104.21.71.1052026-04-12 → 2026-07-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-07-11 19:09:38

●A172.67.144.1012026-04-12 → 2026-07-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-07-11 19:09:38

●A2606:4700:3030::ac43:90652026-04-12 → 2026-07-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-07-11 19:09:38

○A2606:4700:3034::6815:47692026-04-12 → 2026-05-25 · 4 obs

● 2026-04-12 05:24:48
● 2026-05-25 10:41:12
○ 2026-07-10 05:00:52
○ 2026-07-11 19:09:38

●A2606:4700:3037::6815:47692026-07-10 → 2026-07-11 · 3 obs

○ 2026-05-25 10:41:12
● 2026-07-10 05:00:52
● 2026-07-11 19:09:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
firstfocus.dev	itzel.ns.cloudflare.com, matt.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.131

NS records: itzel.ns.cloudflare.com, matt.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstfocus.dev (unsigned zone)

⏱️ Timing

Total: 1331ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.144.101, 104.21.71.105`
AAAA	2	`2606:4700:3030::ac43:9065, 2606:4700:3037::6815:4769`
NS	2	`itzel.ns.cloudflare.com, matt.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 80), route2.mx.cloudflare.net (pri: 94)...`
TXT	2	`google-site-verification=Ck4GP7LNIaP75Tw, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`itzel.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

firstfocus.dev has four IP addresses: 104.21.71.105, 172.67.144.101, 2606:4700:3030::ac43:9065 and 2606:4700:3037::6815:4769.

odintouchlogistic.com, ribal.net, casinoenlinea.es plus two other host names have IP numbers in common with firstfocus.dev.

Name Servers

firstfocus.dev uses two name servers for its delegation: itzel.ns.cloudflare.com and matt.ns.cloudflare.com.

The name server configuration of firstfocus.dev is shared with other domains, for instance firstfocus.app, penkhullhistorysociety.co.uk, g5app.top and two others.

firstfocus.dev shares at least some of its name servers with other domains, including wewire-harness.com, 9mf.net, platesco.com and two others.

These name servers are frequently paired with the name servers rory.ns.cloudflare.com, camilo.ns.cloudflare.com and jason.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname itzel.ns.cloudflare.com directs to 108.162.194.42, 162.159.38.42 and 172.64.34.42 along with 3 other IP addresses.

Hostname matt.ns.cloudflare.com directs to 108.162.193.131, 172.64.33.131 and 173.245.59.131 along with 3 other IP addresses.

Mail Servers

firstfocus.dev is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by firstfocus.dev are shared with other domains: adultmallcenter.com, kayphi.com, jrushins.com and two others among them.

Hosts with 6 IP addresses each:

Hostname route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.

Hostname route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.

Hostname route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.