`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=177, name=cloudflare-ech.com
SOA	`itzel.ns.cloudflare.com`dns@cloudflare.com serial=2411393874

`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 → 2026-08-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-08-11 09:05:46

●NSmatt.ns.cloudflare.com2026-04-12 → 2026-08-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-08-11 09:05:46

●MXroute1.mx.cloudflare.net2026-04-12 → 2026-08-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-08-11 09:05:46

●MXroute2.mx.cloudflare.net2026-04-12 → 2026-08-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-08-11 09:05:46

●MXroute3.mx.cloudflare.net2026-04-12 → 2026-08-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-08-11 09:05:46

●A104.21.71.1052026-04-12 → 2026-08-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-08-11 09:05:46

●A172.67.144.1012026-04-12 → 2026-08-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-08-11 09:05:46

●A2606:4700:3030::ac43:90652026-04-12 → 2026-08-11 · 2 obs

● 2026-04-12 05:24:48
● 2026-08-11 09:05:46

○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
○ 2026-08-11 09:05:46

●A2606:4700:3037::6815:47692026-07-10 → 2026-08-11 · 3 obs

○ 2026-05-25 10:41:12
● 2026-07-10 05:00:52
● 2026-08-11 09:05:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	-
firstfocus.dev	itzel.ns.cloudflare.com, matt.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.42

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: 315ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.144.101, 104.21.71.105`
AAAA	2	`2606:4700:3037::6815:4769, 2606:4700:3030::ac43:9065`
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 points to the four IP addresses 104.21.71.105, 172.67.144.101, 2606:4700:3030::ac43:9065 and 2606:4700:3037::6815:4769.

Two other host names, along with odintouchlogistic.com, ribal.net and mx.lph2o.com, also share IP numbers with firstfocus.dev.

Name Servers

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

firstfocus.dev shares its NS records with other domains, for example firstfocus.app, penkhullhistorysociety.co.uk, g5app.top and two others.

At least some of firstfocus.dev's name servers are shared with other domains, for example wewire-harness.com, 9mf.net, pl-oferta93894.lat and two more.

It is common for these name servers to be used in conjunction with the name servers rory.ns.cloudflare.com, camilo.ns.cloudflare.com and santino.ns.cloudflare.com.

DNS names with 6 IP addresses:

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

The MX records for firstfocus.dev list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between firstfocus.dev and other domains, including kayphi.com, jrushins.com, thennek.com and two others.

DNS names with 6 IP addresses:

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.

firstfocus.dev - robtex.com

firstfocus.dev

dev

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`firstfocus.dev`

`dev`