🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`app4.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:4fbc^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:931b^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.188^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.147.27^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dale.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dale.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dale.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dale.ns.cloudflare.com`
		A	108.162.193.95^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dale.ns.cloudflare.com`
		A	172.64.33.95^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dale.ns.cloudflare.com`
		A	173.245.59.95^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dale.ns.cloudflare.com`
NS	`journey.ns.cloudflare.com`
		A	2606:4700:50::a29f:2603^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`journey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c203^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`journey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2203^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`journey.ns.cloudflare.com`
		A	108.162.194.3^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`journey.ns.cloudflare.com`
		A	162.159.38.3^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`journey.ns.cloudflare.com`
		A	172.64.34.3^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`journey.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=oab4twQ_JwBZYbJ4A8MS9FmIo0dB_hSsEOiiZzWHNGA`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.188, 172.67.147.27
		IPv6 hints	2606:4700:3035::6815:4fbc, 2606:4700:3035::ac43:931b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com
SOA	`dale.ns.cloudflare.com`dns@cloudflare.com serial=2416112566

`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

app4.shop

app4.ch

app4.fun

app4.ph

app4.cloud

app4.co

app4.doctor

app4.eu

app4.info

app4.ge

app4.business

app4.homes

app4.app

app4.bid

app4.bet

app4.in

app4.de

app4.florist

app4.it

app4.club

app4.ru

app4.dog

app4.net

app4.fr

app4.studio

app4.dev

app4.dk

app4.org

app4.com.br

app4.nl

app4.co.uk

app4.vercel.app

app4.legal

app4.pl

app4.education

app4.xyz

app4.store

app4.me

app4.party

app4.be

app4.cn

app4.bio

app4.best

app4.golf

app4.ca

app4.com

app4.fit

app4.ai

app4.ws

app4.pages.dev

app4.you

app4.pro

Similar names

4ppa.org

4pap.cz

4app.pro

4app.workers.dev

p4ap.ph

4app.asia

4app.best

4ppa.net

4pap.pl

4app.io

4app.ltd

ap4p.com

4ppa.ph

4app.win

4app.my.id

4app.me

p4ap.com

p4pa.org

4app.cc

4app.shop

4app.bet

pap4.org

4app.onl

4app.com

4app.fun

4ppa.org.ph

4app.it

4app.net

4pap.org.ph

4app.homes

4app.com.br

4app.org

a4pp.cc

4app.cz

4pap.eu

pp4a.cn

4app.cn

4app.bio

4app.hr

p4ap.org

4app.de

4ppa.com

p4pa.com

4app.tv

4ppa.cc

4app.ir

pp4a.com

4app.ru

4app.ph

4pap.sk

ppa4.com

a4pp.net

4pap.com

4app.tech

4app.bid

a4pp.com

4app.click

a4pp.org

Previous names

Next names

DNS History

17 records (11 active, 6 former)

●NSdale.ns.cloudflare.com2026-09-04 → 2026-09-30 · 2 obs

● 2026-09-04 22:16:20
● 2026-09-30 22:19:04

●NSjourney.ns.cloudflare.com2026-09-04 → 2026-09-30 · 2 obs

● 2026-09-04 22:16:20
● 2026-09-30 22:19:04

●MXalt1.aspmx.l.google.com2026-09-04 → 2026-09-30 · 2 obs

● 2026-09-04 22:16:20
● 2026-09-30 22:19:04

●MXalt2.aspmx.l.google.com2026-09-04 → 2026-09-30 · 2 obs

● 2026-09-04 22:16:20
● 2026-09-30 22:19:04

●MXalt3.aspmx.l.google.com2026-09-04 → 2026-09-30 · 2 obs

● 2026-09-04 22:16:20
● 2026-09-30 22:19:04

●MXalt4.aspmx.l.google.com2026-09-04 → 2026-09-30 · 2 obs

● 2026-09-04 22:16:20
● 2026-09-30 22:19:04

●MXaspmx.l.google.com2026-09-04 → 2026-09-30 · 2 obs

● 2026-09-04 22:16:20
● 2026-09-30 22:19:04

●A104.21.79.1882026-09-07 → 2026-09-30 · 5 obs

○ 2026-09-04 22:16:20
● 2026-09-07 11:54:56
○ 2026-09-16 20:11:06
● 2026-09-22 14:24:34
● 2026-09-30 22:19:04

●A172.67.147.272026-09-07 → 2026-09-30 · 5 obs

○ 2026-09-04 22:16:20
● 2026-09-07 11:54:56
○ 2026-09-16 20:11:06
● 2026-09-22 14:24:34
● 2026-09-30 22:19:04

○A188.114.96.02026-09-04 → 2026-09-04 · 3 obs

● 2026-09-04 22:16:20
○ 2026-09-07 11:54:56
○ 2026-09-30 22:19:04

○A188.114.96.42026-09-16 → 2026-09-16 · 4 obs

○ 2026-09-07 11:54:56
● 2026-09-16 20:11:06
○ 2026-09-22 14:24:34
○ 2026-09-30 22:19:04

○A188.114.97.02026-09-04 → 2026-09-04 · 3 obs

● 2026-09-04 22:16:20
○ 2026-09-07 11:54:56
○ 2026-09-30 22:19:04

○A188.114.97.42026-09-16 → 2026-09-16 · 4 obs

○ 2026-09-07 11:54:56
● 2026-09-16 20:11:06
○ 2026-09-22 14:24:34
○ 2026-09-30 22:19:04

●A2606:4700:3035::6815:4fbc2026-09-07 → 2026-09-30 · 5 obs

○ 2026-09-04 22:16:20
● 2026-09-07 11:54:56
○ 2026-09-16 20:11:06
● 2026-09-22 14:24:34
● 2026-09-30 22:19:04

●A2606:4700:3035::ac43:931b2026-09-07 → 2026-09-30 · 5 obs

○ 2026-09-04 22:16:20
● 2026-09-07 11:54:56
○ 2026-09-16 20:11:06
● 2026-09-22 14:24:34
● 2026-09-30 22:19:04

○A2a06:98c1:3120::2026-09-04 → 2026-09-16 · 5 obs

● 2026-09-04 22:16:20
○ 2026-09-07 11:54:56
● 2026-09-16 20:11:06
○ 2026-09-22 14:24:34
○ 2026-09-30 22:19:04

○A2a06:98c1:3121::2026-09-04 → 2026-09-16 · 5 obs

● 2026-09-04 22:16:20
○ 2026-09-07 11:54:56
● 2026-09-16 20:11:06
○ 2026-09-22 14:24:34
○ 2026-09-30 22:19:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
app4.dev	journey.ns.cloudflare.com, dale.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.3

NS records: journey.ns.cloudflare.com, dale.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for app4.dev (unsigned zone)

⏱️ Timing

Total: 661ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.79.188, 172.67.147.27`
AAAA	2	`2606:4700:3035::6815:4fbc, 2606:4700:3035::ac43:931b`
NS	2	`dale.ns.cloudflare.com, journey.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=oab4twQ_JwBZYbJ, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dale.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

app4.dev directs to four IP numbers, which are 104.21.79.188, 172.67.147.27, 2606:4700:3035::6815:4fbc and 2606:4700:3035::ac43:931b.

www.veteranswashandfold.com, new8866.ws, huntposse.com and two other host names share IP numbers with app4.dev.

Name Servers

The NS records for app4.dev delegate to dale.ns.cloudflare.com and journey.ns.cloudflare.com.

app4.dev uses the same name servers as several other domains — among them zovalu.com, pragmatic-online.com, moustafa-w-moustafa.workers.dev and two more.

The name servers of app4.dev overlap at least partially with those of other domains — among them hb1p.com, cityofheroesrebirth.com, bastien-choquez.workers.dev and two more.

These name servers commonly appear alongside the name servers chelsea.ns.cloudflare.com and becky.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

dale.ns.cloudflare.com maps to 108.162.193.95, 172.64.33.95, 173.245.59.95 and 3 additional IP addresses.

journey.ns.cloudflare.com maps to 108.162.194.3, 162.159.38.3, 172.64.34.3 and 3 additional IP addresses.

Mail Servers

Five mail servers handle app4.dev: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

app4.dev has at least partial mail server overlap with other domains such as nutrifitgym.co.uk, goola-credit.com, antoniosnaps.co and two more.

The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Hostnames that resolve to two IP addresses:

The A records for aspmx.l.google.com return 142.251.167.27 and 2607:f8b0:4004:c07::1a.

The A records for alt1.aspmx.l.google.com return 192.178.234.26 and 2800:3f0:4003:c14::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1b.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1a.

The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1b.