🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`upperleftapps.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:d848^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:180e^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.24.14^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.72^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aleena.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2651^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c251^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aleena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2251^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aleena.ns.cloudflare.com`
		A	108.162.194.81^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	162.159.38.81^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	172.64.34.81^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
NS	`denver.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cc4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`denver.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`denver.ns.cloudflare.com`
		A	108.162.195.196^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	162.159.44.196^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	172.64.35.196^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.24.14, 172.67.216.72
		IPv6 hints	2606:4700:3035::ac43:d848, 2606:4700:3036::6815:180e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=149, name=cloudflare-ech.com
SOA	`aleena.ns.cloudflare.com`dns@cloudflare.com serial=2415175487

`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

upperleftapps.dev

Previous names

Next names

upperline.dev

upperman.dev

upperoctave.dev

upperroommedia.dev

upperskill.dev

uppertown.dev

uppi.dev

uppinote.dev

uppiti.dev

uppity.dev

upplane.dev

uppromote.dev

uppsala.dev

uppsync.dev

upputuri.dev

uppy.dev

upquark.dev

upr.dev

upraise.dev

DNS History

10 records (6 active, 4 former)

●NSaleena.ns.cloudflare.com2026-09-18 → 2026-09-19 · 2 obs

● 2026-09-18 00:23:36
● 2026-09-19 01:24:54

●NSdenver.ns.cloudflare.com2026-09-18 → 2026-09-19 · 2 obs

● 2026-09-18 00:23:36
● 2026-09-19 01:24:54

●A104.21.24.142026-09-18 → 2026-09-19 · 3 obs

○ 2026-09-18 00:23:36
● 2026-09-18 02:27:56
● 2026-09-19 01:24:54

●A172.67.216.722026-09-18 → 2026-09-19 · 3 obs

○ 2026-09-18 00:23:36
● 2026-09-18 02:27:56
● 2026-09-19 01:24:54

○A188.114.96.02026-09-18 → 2026-09-18 · 3 obs

● 2026-09-18 00:23:36
○ 2026-09-18 02:27:56
○ 2026-09-19 01:24:54

○A188.114.97.02026-09-18 → 2026-09-18 · 3 obs

● 2026-09-18 00:23:36
○ 2026-09-18 02:27:56
○ 2026-09-19 01:24:54

●A2606:4700:3035::ac43:d8482026-09-18 → 2026-09-19 · 3 obs

○ 2026-09-18 00:23:36
● 2026-09-18 02:27:56
● 2026-09-19 01:24:54

●A2606:4700:3036::6815:180e2026-09-18 → 2026-09-19 · 3 obs

○ 2026-09-18 00:23:36
● 2026-09-18 02:27:56
● 2026-09-19 01:24:54

○A2a06:98c1:3120::2026-09-18 → 2026-09-18 · 3 obs

● 2026-09-18 00:23:36
○ 2026-09-18 02:27:56
○ 2026-09-19 01:24:54

○A2a06:98c1:3121::2026-09-18 → 2026-09-18 · 3 obs

● 2026-09-18 00:23:36
○ 2026-09-18 02:27:56
○ 2026-09-19 01:24:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
upperleftapps.dev	denver.ns.cloudflare.com, aleena.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.81

NS records: denver.ns.cloudflare.com, aleena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for upperleftapps.dev (unsigned zone)

⏱️ Timing

Total: 580ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.216.72, 104.21.24.14`
AAAA	2	`2606:4700:3035::ac43:d848, 2606:4700:3036::6815:180e`
NS	2	`aleena.ns.cloudflare.com, denver.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aleena.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

upperleftapps.dev has four IP addresses: 104.21.24.14, 172.67.216.72, 2606:4700:3035::ac43:d848 and 2606:4700:3036::6815:180e.

Among the host names that share IP numbers with upperleftapps.dev are itccommunity.com, www.robbinsdancefloors.com, moviestostream.tv and two others.

Name Servers

Two name servers handle the delegation for upperleftapps.dev: aleena.ns.cloudflare.com and denver.ns.cloudflare.com.

upperleftapps.dev has the same name server delegation as a number of other domains, such as owl1600.workers.dev, tavernmc.workers.dev, avsinfotec.com and two more.

upperleftapps.dev partially shares its NS delegation with several other domains, including wifiprime.com.br, docgalicia.es, employwiseweb24.pages.dev and two others.

These name servers regularly co-occur with the name servers lily.ns.cloudflare.com, abdullah.ns.cloudflare.com and dexter.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

aleena.ns.cloudflare.com resolves to 108.162.194.81, 162.159.38.81 and 172.64.34.81 among others, with 3 other IP addresses in total.

denver.ns.cloudflare.com resolves to 108.162.195.196, 162.159.44.196 and 172.64.35.196 among others, with 3 other IP addresses in total.

upperleftapps.dev - robtex.com