🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`builtstack.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:d331^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3d8f^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.143^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.49^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`blakely.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2660^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blakely.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c260^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`blakely.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2260^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`blakely.ns.cloudflare.com`
		A	108.162.194.96^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blakely.ns.cloudflare.com`
		A	162.159.38.96^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blakely.ns.cloudflare.com`
		A	172.64.34.96^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blakely.ns.cloudflare.com`
NS	`ram.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ram.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ram.ns.cloudflare.com`
		A	108.162.193.225^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	172.64.33.225^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.ns.cloudflare.com`
		A	173.245.59.225^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ram.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	`route3.mx.cloudflare.net`⁽⁷⁶⁾
		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`
MX	`route1.mx.cloudflare.net`⁽⁹⁹⁾
		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`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.61.143, 172.67.211.49
		IPv6 hints	2606:4700:3031::ac43:d331, 2606:4700:3035::6815:3d8f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=153, name=cloudflare-ech.com
SOA	`blakely.ns.cloudflare.com`dns@cloudflare.com serial=2414816086

`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

builtstack.io

builtstack.co

builtstack.app

builtstack.com

Similar names

stackbuilt.org

klubtastic.com

tuskbaltic.co.uk

stackbuilt.io

stackbuilt.co

statikclub.de

stackbuilt.net

blacktitus.it

stackbuilt.ai

stackbuilt.shop

Previous names

Next names

DNS History

9 records (9 active, 0 former)

●NSblakely.ns.cloudflare.com2026-09-13 → 2026-09-15 · 2 obs

● 2026-09-13 09:47:04
● 2026-09-15 10:30:52

●NSram.ns.cloudflare.com2026-09-13 → 2026-09-15 · 2 obs

● 2026-09-13 09:47:04
● 2026-09-15 10:30:52

●MXroute1.mx.cloudflare.net2026-09-13 → 2026-09-15 · 2 obs

● 2026-09-13 09:47:04
● 2026-09-15 10:30:52

●MXroute2.mx.cloudflare.net2026-09-13 → 2026-09-15 · 2 obs

● 2026-09-13 09:47:04
● 2026-09-15 10:30:52

●MXroute3.mx.cloudflare.net2026-09-13 → 2026-09-15 · 2 obs

● 2026-09-13 09:47:04
● 2026-09-15 10:30:52

●A104.21.61.1432026-09-13 → 2026-09-15 · 2 obs

● 2026-09-13 09:47:04
● 2026-09-15 10:30:52

●A172.67.211.492026-09-13 → 2026-09-15 · 2 obs

● 2026-09-13 09:47:04
● 2026-09-15 10:30:52

●A2606:4700:3031::ac43:d3312026-09-13 → 2026-09-15 · 2 obs

● 2026-09-13 09:47:04
● 2026-09-15 10:30:52

●A2606:4700:3035::6815:3d8f2026-09-13 → 2026-09-15 · 2 obs

● 2026-09-13 09:47:04
● 2026-09-15 10:30:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	-
builtstack.app	blakely.ns.cloudflare.com, ram.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.96

NS records: blakely.ns.cloudflare.com, ram.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for builtstack.app (unsigned zone)

⏱️ Timing

Total: 1551ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.61.143, 172.67.211.49`
AAAA	2	`2606:4700:3031::ac43:d331, 2606:4700:3035::6815:3d8f`
NS	2	`blakely.ns.cloudflare.com, ram.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 26), route3.mx.cloudflare.net (pri: 76)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`blakely.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

builtstack.app directs to four IP numbers, which are 104.21.61.143, 172.67.211.49, 2606:4700:3031::ac43:d331 and 2606:4700:3035::6815:3d8f.

Additional host names — khmbet.app, parentingpod.com, novon.com.br and two others — share IP numbers with builtstack.app.

Name Servers

builtstack.app is served by two delegated name servers, blakely.ns.cloudflare.com and ram.ns.cloudflare.com.

builtstack.app shares its name server setup with other domains, including civicmas-notifications.com, trealty.com.au, not8050.workers.dev and two others.

The name servers of builtstack.app overlap at least partially with those of other domains — among them smeskati.info, academiadeferas867.workers.dev, clarovalor.com and two more.

These name servers commonly appear alongside the name servers mary.ns.cloudflare.com and quinton.ns.cloudflare.com.

Host names with 6 IP numbers:

blakely.ns.cloudflare.com carries IP addresses 108.162.194.96, 162.159.38.96 and 172.64.34.96, with 3 other addresses beyond those.

ram.ns.cloudflare.com carries IP addresses 108.162.193.225, 172.64.33.225 and 173.245.59.225, with 3 other addresses beyond those.

Mail Servers

Mail for builtstack.app is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

builtstack.app shares mail servers — at least in part — with other domains, including beavertonkitchenremodeler.shop, losalamosportapotty.com, supermedium.id and two others.

Host names with 6 IP numbers:

route1.mx.cloudflare.net carries IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, with 3 other addresses beyond those.

route2.mx.cloudflare.net carries IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, with 3 other addresses beyond those.

route3.mx.cloudflare.net carries IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, with 3 other addresses beyond those.

builtstack.app - robtex.com

builtstack.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

`builtstack.app`

`app`