🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`devfocus.app`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`carioca.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2614^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carioca.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c214^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carioca.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2214^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carioca.ns.cloudflare.com`
		A	108.162.194.20^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carioca.ns.cloudflare.com`
		A	162.159.38.20^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carioca.ns.cloudflare.com`
		A	172.64.34.20^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carioca.ns.cloudflare.com`
NS	`neil.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`neil.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`neil.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`neil.ns.cloudflare.com`
		A	108.162.193.211^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`neil.ns.cloudflare.com`
		A	172.64.33.211^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`neil.ns.cloudflare.com`
		A	173.245.59.211^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`neil.ns.cloudflare.com`
SOA	`carioca.ns.cloudflare.com`dns@cloudflare.com serial=2419211675

`app`

	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=101427

🔒 HSTS Preload (+subdomains)

Same first word

devfocus.org.uk

devfocus.in

devfocus.us

devfocus.org

devfocus.cc

devfocus.ch

devfocus.digital

devfocus.site

devfocus.online

devfocus.xyz

devfocus.app

devfocus.io

devfocus.net

devfocus.com

Similar names

focusdev.com

focusdev.net

focusdev.online

focusdev.tech

vsdefouc.workers.dev

focusdev.app

focusdev.uk

focusdev.xyz

focusdev.digital

focusdev.org

focusdev.co.uk

Previous names

Next names

DNS History

5 records (3 active, 2 former)

●NScarioca.ns.cloudflare.com2026-11-08 → 2026-11-08 · 3 obs

○ 2026-09-27 04:07:32
● 2026-11-08 13:49:52
● 2026-11-08 17:08:20

●NSneil.ns.cloudflare.com2026-11-08 → 2026-11-08 · 3 obs

○ 2026-09-27 04:07:32
● 2026-11-08 13:49:52
● 2026-11-08 17:08:20

○NSns29.domaincontrol.com2026-09-27 → 2026-09-27 · 3 obs

● 2026-09-27 04:07:32
○ 2026-11-08 13:49:52
○ 2026-11-08 17:08:20

○NSns30.domaincontrol.com2026-09-27 → 2026-09-27 · 3 obs

● 2026-09-27 04:07:32
○ 2026-11-08 13:49:52
○ 2026-11-08 17:08:20

●A76.76.21.212026-09-27 → 2026-11-08 · 2 obs

● 2026-09-27 04:07:32
● 2026-11-08 17:08:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
devfocus.app	carioca.ns.cloudflare.com, neil.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.211

NS records: carioca.ns.cloudflare.com, neil.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devfocus.app (unsigned zone)

⏱️ Timing

Total: 905ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	2	`carioca.ns.cloudflare.com, neil.ns.cloudflare.com`
SOA	1	`carioca.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

devfocus.app resolves to just one IP address, 76.76.21.21.

Two other host names, along with desake.cn, ksicms.net and mikael.store, also share IP numbers with devfocus.app.

Name Servers

DNS delegation for devfocus.app points to two name servers: carioca.ns.cloudflare.com and neil.ns.cloudflare.com.

devfocus.app shares its NS records with other domains, for example nagwerk.info, nutrivigormethodms.info, rajnourishb.info and two others.

devfocus.app shares at least some of its name servers with other domains, including xelra-narxa-biz09-dorxa-kelra-spct1.pages.dev, blog-benjifox-gay.pages.dev, belgi.dev and two others.

These name servers are frequently seen alongside the name servers norman.ns.cloudflare.com.

DNS names with 6 IP addresses:

carioca.ns.cloudflare.com has IP addresses 108.162.194.20, 162.159.38.20 and 172.64.34.20, plus 3 other.

neil.ns.cloudflare.com has IP addresses 108.162.193.211, 172.64.33.211 and 173.245.59.211, plus 3 other.

devfocus.app - robtex.com

devfocus.app

app