🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stacklint.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:bd12^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:5163^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.81.99^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.189.18^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`felipe.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c374^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`felipe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2374^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`felipe.ns.cloudflare.com`
		A	108.162.195.116^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	162.159.44.116^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	172.64.35.116^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
NS	`nucum.ns.cloudflare.com`
		A	2606:4700:50::a29f:2691^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c291^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nucum.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2291^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nucum.ns.cloudflare.com`
		A	108.162.194.145^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
		A	162.159.38.145^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
		A	172.64.34.145^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nucum.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁵¹⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁶⁹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.81.99, 172.67.189.18
		IPv6 hints	2606:4700:3032::ac43:bd12, 2606:4700:3035::6815:5163
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=223, name=cloudflare-ech.com
SOA	`felipe.ns.cloudflare.com`dns@cloudflare.com serial=2412326906

`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

stacklint.com

stacklint.app

Similar names

atkinstlc.com

Previous names

Next names

DNS History

9 records (9 active, 0 former)

●NSfelipe.ns.cloudflare.com2026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 10:39:42
● 2026-08-26 01:15:30

●NSnucum.ns.cloudflare.com2026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 10:39:42
● 2026-08-26 01:15:30

●MXroute1.mx.cloudflare.net2026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 10:39:42
● 2026-08-26 01:15:30

●MXroute2.mx.cloudflare.net2026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 10:39:42
● 2026-08-26 01:15:30

●MXroute3.mx.cloudflare.net2026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 10:39:42
● 2026-08-26 01:15:30

●A104.21.81.992026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 10:39:42
● 2026-08-26 01:15:30

●A172.67.189.182026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 10:39:42
● 2026-08-26 01:15:30

●A2606:4700:3032::ac43:bd122026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 10:39:42
● 2026-08-26 01:15:30

●A2606:4700:3035::6815:51632026-08-25 → 2026-08-26 · 2 obs

● 2026-08-25 10:39:42
● 2026-08-26 01:15:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
stacklint.app	felipe.ns.cloudflare.com, nucum.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.145

NS records: felipe.ns.cloudflare.com, nucum.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stacklint.app (unsigned zone)

⏱️ Timing

Total: 530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.189.18, 104.21.81.99`
AAAA	2	`2606:4700:3035::6815:5163, 2606:4700:3032::ac43:bd12`
NS	2	`felipe.ns.cloudflare.com, nucum.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 51), route3.mx.cloudflare.net (pri: 69)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`felipe.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

stacklint.app directs to four IP numbers, which are 104.21.81.99, 172.67.189.18, 2606:4700:3032::ac43:bd12 and 2606:4700:3035::6815:5163.

skyline-datacore.site, nomadchat.fr, bitwoex.com plus two other host names have IP numbers in common with stacklint.app.

Name Servers

The NS records for stacklint.app delegate to felipe.ns.cloudflare.com and nucum.ns.cloudflare.com.

The name server configuration of stacklint.app is shared with other domains, for instance test-1-9ud.pages.dev, diva.fm, jingtiantian.workers.dev and two others.

At least some of stacklint.app's name servers are shared with other domains, for example etx-spb.ru, 0sjvzbqynfirsenjf4y-bg8f7axu7rz2.pages.dev, winwinpro.online and two more.

These name servers tend to be deployed in combination with the name servers lloyd.ns.cloudflare.com and kara.ns.cloudflare.com.

Hosts with 6 IP addresses each:

felipe.ns.cloudflare.com maps to 108.162.195.116, 162.159.44.116, 172.64.35.116 and 3 additional IP addresses.

nucum.ns.cloudflare.com maps to 108.162.194.145, 162.159.38.145, 172.64.34.145 and 3 additional IP addresses.

Mail Servers

The MX records for stacklint.app list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by stacklint.app are shared with other domains: transylvanianwindows.com, amcindia.net, oneredrobin.com and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.

stacklint.app - robtex.com

stacklint.app

app

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`stacklint.app`

`app`