🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`app-sys.dev`

DNSSEC	⚠️ Not signed
NS	`deb.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a5c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`deb.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`deb.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`deb.ns.cloudflare.com`
		A	108.162.192.92^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`deb.ns.cloudflare.com`
		A	172.64.32.92^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`deb.ns.cloudflare.com`
		A	173.245.58.92^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`deb.ns.cloudflare.com`
NS	`troy.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cda^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`troy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`troy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`troy.ns.cloudflare.com`
		A	108.162.195.218^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`troy.ns.cloudflare.com`
		A	162.159.44.218^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`troy.ns.cloudflare.com`
		A	172.64.35.218^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`troy.ns.cloudflare.com`
MX	`appsys-dev0i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc68::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-jk2p305cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:cc68::3^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-jk2p305cu00403.inbound.protection.outlook.com`
		A	2a01:111:f403:cc68::5^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-jk5p305cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:cc68::6^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-jk0p305cu00106.inbound.protection.outlook.com`
		A	52.101.238.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-jk2p305cu00300.inbound.protection.outlook.com`
		A	52.101.238.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-jk2p305cu00402.inbound.protection.outlook.com`
		A	52.101.238.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-jk5p305cu00104.inbound.protection.outlook.com`
		A	52.101.238.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-jk0p305cu00106.inbound.protection.outlook.com`
TXT	`MS=ms26283408`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`deb.ns.cloudflare.com`dns@cloudflare.com serial=2414701940

`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

app-sys.org

app-sys.jp

app-sys.co.il

app-sys.de

app-sys.dev

app-sys.net

app-sys.online

Similar names

sys-app.jp

spa-spy.com

sys-app.co

pss-pay.com

ys-apps.workers.dev

ssy-app.com

sapp-sy.org

sys-app.cl

sps-pay.com

ys-apps.com

sys-app.com

Previous names

Next names

app-test.dev

app-tunnel.dev

app-updates.dev

app-works.dev

app-workspace.dev

app-x.dev

app01.dev

app0390459262.dev

app1.dev

app2.dev

app20x.dev

app2pack.dev

app33.dev

app4.dev

app4freight.dev

app4legal.dev

app4you.dev

app6714500759.dev

app7.dev

app8.dev

DNS History

3 records (3 active, 0 former)

●NSdeb.ns.cloudflare.com2026-09-13 → 2026-09-24 · 2 obs

● 2026-09-13 18:32:40
● 2026-09-24 00:14:26

●NStroy.ns.cloudflare.com2026-09-13 → 2026-09-24 · 2 obs

● 2026-09-13 18:32:40
● 2026-09-24 00:14:26

●MXappsys-dev0i.mail.protection.outlook.com2026-09-13 → 2026-09-24 · 2 obs

● 2026-09-13 18:32:40
● 2026-09-24 00:14:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
app-sys.dev	deb.ns.cloudflare.com, troy.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.92

NS records: deb.ns.cloudflare.com, troy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for app-sys.dev (unsigned zone)

⏱️ Timing

Total: 959ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`deb.ns.cloudflare.com, troy.ns.cloudflare.com`
MX	1	`appsys-dev0i.mail.protection.outlook.com`
TXT	2	`MS=ms26283408, v=spf1 include:spf.protection.outlook.co`
SOA	1	`deb.ns.cloudflare.com dns.cloudflare.com`

Analysis

Name Servers

DNS delegation for app-sys.dev points to two name servers: deb.ns.cloudflare.com and troy.ns.cloudflare.com.

app-sys.dev shares its name server setup with other domains, including bianca-filare.pages.dev, itanaskovic.workers.dev, ourlynnwoodhome.com and two others.

app-sys.dev has at least partial name server overlap with other domains, such as 87566158.xyz, chromagenecpoverview.com, 11ccta.com and two others.

It is common to find these name servers paired with the name servers rachel.ns.cloudflare.com, donovan.ns.cloudflare.com, elmo.ns.cloudflare.com and lakas.ns.cloudflare.com.

Host names with 6 IP numbers:

deb.ns.cloudflare.com has IP addresses 108.162.192.92, 172.64.32.92 and 173.245.58.92, plus 3 other.

troy.ns.cloudflare.com has IP addresses 108.162.195.218, 162.159.44.218 and 172.64.35.218, plus 3 other.