🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`app4you.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:13b1^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:bb09^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.177^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.9^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bailey.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2629^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c229^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bailey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2229^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bailey.ns.cloudflare.com`
		A	108.162.194.41^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	162.159.38.41^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	172.64.34.41^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
NS	`stanley.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c8d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stanley.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c38d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`stanley.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:238d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`stanley.ns.cloudflare.com`
		A	108.162.195.141^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stanley.ns.cloudflare.com`
		A	162.159.44.141^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stanley.ns.cloudflare.com`
		A	172.64.35.141^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stanley.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`brevo-code:aef5a0eeb698090d98dce4408b6f0ddb`
TXT	`google-site-verification=qLH4PoyQLr_PVU5MQS3CDiaBX5g2_jK4UywzmiyEVJc`
TXT	`v=spf1 a mx ip4:46.248.167.221 include:_spf.google.com include:mail.zendesk.c...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.177, 172.67.187.9
		IPv6 hints	2606:4700:3030::6815:13b1, 2606:4700:3033::ac43:bb09
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=100, name=cloudflare-ech.com
SOA	`bailey.ns.cloudflare.com`dns@cloudflare.com serial=2412352358

`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

app4you.ru

app4you.world

app4you.fr

app4you.de

app4you.it

app4you.org

app4you.net

app4you.com

app4you.gmbh

app4you.digital

app4you.expert

app4you.dev

app4you.eu

app4you.international

app4you.info

app4you.store

app4you.pro

app4you.ch

app4you.one

Similar names

4youapp.de

DNS History

16 records (11 active, 5 former)

●NSbailey.ns.cloudflare.com2026-05-01 → 2026-08-17 · 2 obs

● 2026-05-01 20:20:14
● 2026-08-17 09:00:22

●NSstanley.ns.cloudflare.com2026-05-01 → 2026-08-17 · 2 obs

● 2026-05-01 20:20:14
● 2026-08-17 09:00:22

●MXalt1.aspmx.l.google.com2026-05-01 → 2026-08-17 · 2 obs

● 2026-05-01 20:20:14
● 2026-08-17 09:00:22

●MXalt2.aspmx.l.google.com2026-05-01 → 2026-08-17 · 2 obs

● 2026-05-01 20:20:14
● 2026-08-17 09:00:22

●MXalt3.aspmx.l.google.com2026-05-01 → 2026-08-17 · 2 obs

● 2026-05-01 20:20:14
● 2026-08-17 09:00:22

●MXalt4.aspmx.l.google.com2026-05-01 → 2026-08-17 · 2 obs

● 2026-05-01 20:20:14
● 2026-08-17 09:00:22

●MXaspmx.l.google.com2026-05-01 → 2026-08-17 · 2 obs

● 2026-05-01 20:20:14
● 2026-08-17 09:00:22

●A104.21.19.1772026-05-01 → 2026-08-17 · 5 obs

● 2026-05-01 20:20:14
● 2026-06-09 21:45:42
○ 2026-06-29 23:27:36
● 2026-08-07 06:12:24
● 2026-08-17 09:00:22

●A172.67.187.92026-05-01 → 2026-08-17 · 5 obs

● 2026-05-01 20:20:14
● 2026-06-09 21:45:42
○ 2026-06-29 23:27:36
● 2026-08-07 06:12:24
● 2026-08-17 09:00:22

○A188.114.96.02026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-09 21:45:42
● 2026-06-29 23:27:36
○ 2026-08-07 06:12:24
○ 2026-08-17 09:00:22

○A188.114.97.02026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-09 21:45:42
● 2026-06-29 23:27:36
○ 2026-08-07 06:12:24
○ 2026-08-17 09:00:22

●A2606:4700:3030::6815:13b12026-08-07 → 2026-08-17 · 3 obs

○ 2026-06-29 23:27:36
● 2026-08-07 06:12:24
● 2026-08-17 09:00:22

●A2606:4700:3033::ac43:bb092026-05-01 → 2026-08-17 · 5 obs

● 2026-05-01 20:20:14
● 2026-06-09 21:45:42
○ 2026-06-29 23:27:36
● 2026-08-07 06:12:24
● 2026-08-17 09:00:22

○A2606:4700:3036::6815:13b12026-05-01 → 2026-06-09 · 4 obs

● 2026-05-01 20:20:14
● 2026-06-09 21:45:42
○ 2026-06-29 23:27:36
○ 2026-08-17 09:00:22

○A2a06:98c1:3120::2026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-09 21:45:42
● 2026-06-29 23:27:36
○ 2026-08-07 06:12:24
○ 2026-08-17 09:00:22

○A2a06:98c1:3121::2026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-09 21:45:42
● 2026-06-29 23:27:36
○ 2026-08-07 06:12:24
○ 2026-08-17 09:00:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
app4you.dev	bailey.ns.cloudflare.com, stanley.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.141

NS records: bailey.ns.cloudflare.com, stanley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for app4you.dev (unsigned zone)

⏱️ Timing

Total: 391ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.19.177, 172.67.187.9`
AAAA	2	`2606:4700:3030::6815:13b1, 2606:4700:3033::ac43:bb09`
NS	2	`bailey.ns.cloudflare.com, stanley.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`brevo-code:aef5a0eeb698090d98dce4408b6f0, google-site-verification=qLH4PoyQLr_PVU5...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bailey.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

app4you.dev has four IP addresses: 104.21.19.177, 172.67.187.9, 2606:4700:3030::6815:13b1 and 2606:4700:3033::ac43:bb09.

Two other host names, along with betamountain.org, brandingly.agency and ujhgy.icu, also share IP numbers with app4you.dev.

Name Servers

app4you.dev is delegated to two name servers: bailey.ns.cloudflare.com and stanley.ns.cloudflare.com.

Among the domains sharing the same name servers as app4you.dev are mware.com.br, cca-glasgow.com and tenthara.co.uk.

app4you.dev partially shares its NS delegation with several other domains, including tiket100login.rest, ecodexhub.net, grandeclub.com and two others.

These name servers often co-occur with the name servers vida.ns.cloudflare.com.

DNS names with 6 IP addresses:

bailey.ns.cloudflare.com resolves to 108.162.194.41, 162.159.38.41, 172.64.34.41 and 3 other IP addresses.

stanley.ns.cloudflare.com resolves to 108.162.195.141, 162.159.44.141, 172.64.35.141 and 3 other IP addresses.

Mail Servers

Mail for app4you.dev is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between app4you.dev and other domains, including aleix.se, shoreshsports.com, woowoocompany.com and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com points to 173.194.45.26 and 2607:f8b0:4004:c29::1a.

alt1.aspmx.l.google.com points to 192.178.234.27 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1a.