🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackduke.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:b709^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:3058^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.48.88^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.9^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kara.ns.cloudflare.com`
		A	108.162.192.123^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
		A	172.64.32.123^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
		A	173.245.58.123^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
NS	`kurt.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kurt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kurt.ns.cloudflare.com`
		A	108.162.193.193^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
		A	172.64.33.193^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
		A	173.245.59.193^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.48.88, 172.67.183.9
		IPv6 hints	2606:4700:3031::ac43:b709, 2606:4700:3036::6815:3058
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=226, name=cloudflare-ech.com
SOA	`kara.ns.cloudflare.com`dns@cloudflare.com serial=2417488819

`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

stackduke.app

stackduke.dev

stackduke.ai

stackduke.com

Similar names

stackeduk.com

duckstake.com

ducksteak.win

ducktakes.com

duckstake.xyz

stakeduck.xyz

dukestack.com

ducksteak.pw

Previous names

Next names

DNS History

10 records (6 active, 4 former)

●NSkara.ns.cloudflare.com2026-10-13 → 2026-11-11 · 2 obs

● 2026-10-13 17:26:54
● 2026-11-11 20:44:20

●NSkurt.ns.cloudflare.com2026-10-13 → 2026-11-11 · 2 obs

● 2026-10-13 17:26:54
● 2026-11-11 20:44:20

●A104.21.48.882026-10-15 → 2026-11-11 · 6 obs

● 2026-10-15 14:51:06
○ 2026-10-18 16:35:30
● 2026-10-18 17:34:32
○ 2026-10-21 03:26:38
● 2026-11-11 20:44:18
● 2026-11-11 20:44:20

●A172.67.183.92026-10-15 → 2026-11-11 · 6 obs

● 2026-10-15 14:51:06
○ 2026-10-18 16:35:30
● 2026-10-18 17:34:32
○ 2026-10-21 03:26:38
● 2026-11-11 20:44:18
● 2026-11-11 20:44:20

○A188.114.96.02026-10-18 → 2026-10-21 · 6 obs

○ 2026-10-15 14:51:06
● 2026-10-18 16:35:30
○ 2026-10-18 17:34:32
● 2026-10-21 03:26:38
○ 2026-11-11 20:44:18
○ 2026-11-11 20:44:20

○A188.114.97.02026-10-18 → 2026-10-21 · 6 obs

○ 2026-10-15 14:51:06
● 2026-10-18 16:35:30
○ 2026-10-18 17:34:32
● 2026-10-21 03:26:38
○ 2026-11-11 20:44:18
○ 2026-11-11 20:44:20

●A2606:4700:3031::ac43:b7092026-10-15 → 2026-11-11 · 6 obs

● 2026-10-15 14:51:06
○ 2026-10-18 16:35:30
● 2026-10-18 17:34:32
○ 2026-10-21 03:26:38
● 2026-11-11 20:44:18
● 2026-11-11 20:44:20

●A2606:4700:3036::6815:30582026-10-15 → 2026-11-11 · 6 obs

● 2026-10-15 14:51:06
○ 2026-10-18 16:35:30
● 2026-10-18 17:34:32
○ 2026-10-21 03:26:38
● 2026-11-11 20:44:18
● 2026-11-11 20:44:20

○A2a06:98c1:3120::2026-10-18 → 2026-10-21 · 6 obs

○ 2026-10-15 14:51:06
● 2026-10-18 16:35:30
○ 2026-10-18 17:34:32
● 2026-10-21 03:26:38
○ 2026-11-11 20:44:18
○ 2026-11-11 20:44:20

○A2a06:98c1:3121::2026-10-18 → 2026-10-21 · 6 obs

○ 2026-10-15 14:51:06
● 2026-10-18 16:35:30
○ 2026-10-18 17:34:32
● 2026-10-21 03:26:38
○ 2026-11-11 20:44:18
○ 2026-11-11 20:44:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
stackduke.app	kara.ns.cloudflare.com, kurt.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.123

NS records: kara.ns.cloudflare.com, kurt.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackduke.app (unsigned zone)

⏱️ Timing

Total: 757ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.183.9, 104.21.48.88`
AAAA	2	`2606:4700:3031::ac43:b709, 2606:4700:3036::6815:3058`
NS	2	`kara.ns.cloudflare.com, kurt.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kara.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

stackduke.app resolves to four IP addresses: 104.21.48.88, 172.67.183.9, 2606:4700:3031::ac43:b709 and 2606:4700:3036::6815:3058.

shbe.pro, www.yalongdays.com, www.zcjlw.com plus two other host names have IP numbers in common with stackduke.app.

Name Servers

stackduke.app has two authoritative name servers — kara.ns.cloudflare.com and kurt.ns.cloudflare.com.

The name server configuration of stackduke.app is shared with other domains, for instance elizabethsable.com, mendieekemini.workers.dev, mareomansas.info and two others.

stackduke.app partially shares its NS delegation with several other domains, including reepo-beta-viewer.pages.dev, ai-apps-a5o.pages.dev, workweaveops.com and two others.

These name servers are regularly seen alongside peyton.ns.cloudflare.com and felipe.ns.cloudflare.com as name servers.

Hosts with 6 IP addresses each:

kara.ns.cloudflare.com points to 108.162.192.123, 172.64.32.123, 173.245.58.123 and 3 other IP addresses.

kurt.ns.cloudflare.com points to 108.162.193.193, 172.64.33.193, 173.245.59.193 and 3 other IP addresses.

stackduke.app - robtex.com

stackduke.app

app

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`stackduke.app`

`app`