buildstack.app - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`buildstack.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:b1cc^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1f95^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.31.149^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.177.204^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`leif.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cde^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leif.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leif.ns.cloudflare.com`
		A	108.162.195.222^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
		A	162.159.44.222^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
		A	172.64.35.222^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
NS	`sloan.ns.cloudflare.com`
		A	2606:4700:50::a29f:2634^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c234^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sloan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2234^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sloan.ns.cloudflare.com`
		A	108.162.194.52^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	162.159.38.52^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	172.64.34.52^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 include:zohomail.com a mx include:websitewelcome.com ~all`
TXT	`zoho-verification=zb29851029.zmverify.zoho.com`
TXT	`zoho-verification=zb79779923.zmverify.zoho.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.31.149, 172.67.177.204
		IPv6 hints	2606:4700:3035::ac43:b1cc, 2606:4700:3037::6815:1f95
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com
SOA	`leif.ns.cloudflare.com`dns@cloudflare.com serial=2414001044

`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

Similar names

stackbuild.de

stackbuild.app

stackbuild.dev

stackbuild.co.uk

stackbuild.digital

stackbuild.com

stackbuild.in

stackbuild.io

stackbuild.xyz

Previous names

Next names

DNS History

13 records (9 active, 4 former)

●NSleif.ns.cloudflare.com2026-09-06 → 2026-09-09 · 2 obs

● 2026-09-06 19:32:34
● 2026-09-09 00:38:36

●NSsloan.ns.cloudflare.com2026-09-06 → 2026-09-09 · 2 obs

● 2026-09-06 19:32:34
● 2026-09-09 00:38:36

●MXmx.zoho.com2026-09-06 → 2026-09-09 · 2 obs

● 2026-09-06 19:32:34
● 2026-09-09 00:38:36

●MXmx2.zoho.com2026-09-06 → 2026-09-09 · 2 obs

● 2026-09-06 19:32:34
● 2026-09-09 00:38:36

●MXmx3.zoho.com2026-09-06 → 2026-09-09 · 2 obs

● 2026-09-06 19:32:34
● 2026-09-09 00:38:36

●A104.21.31.1492026-09-07 → 2026-09-09 · 3 obs

○ 2026-09-06 19:32:34
● 2026-09-07 01:07:28
● 2026-09-09 00:38:36

●A172.67.177.2042026-09-07 → 2026-09-09 · 3 obs

○ 2026-09-06 19:32:34
● 2026-09-07 01:07:28
● 2026-09-09 00:38:36

○A188.114.96.02026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 19:32:34
○ 2026-09-07 01:07:28
○ 2026-09-09 00:38:36

○A188.114.97.02026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 19:32:34
○ 2026-09-07 01:07:28
○ 2026-09-09 00:38:36

●A2606:4700:3035::ac43:b1cc2026-09-07 → 2026-09-09 · 3 obs

○ 2026-09-06 19:32:34
● 2026-09-07 01:07:28
● 2026-09-09 00:38:36

●A2606:4700:3037::6815:1f952026-09-07 → 2026-09-09 · 3 obs

○ 2026-09-06 19:32:34
● 2026-09-07 01:07:28
● 2026-09-09 00:38:36

○A2a06:98c1:3120::2026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 19:32:34
○ 2026-09-07 01:07:28
○ 2026-09-09 00:38:36

○A2a06:98c1:3121::2026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 19:32:34
○ 2026-09-07 01:07:28
○ 2026-09-09 00:38:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	10 records
buildstack.app	leif.ns.cloudflare.com, sloan.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.222

NS records: leif.ns.cloudflare.com, sloan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buildstack.app (unsigned zone)

⏱️ Timing

Total: 1777ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.31.149, 172.67.177.204`
AAAA	2	`2606:4700:3035::ac43:b1cc, 2606:4700:3037::6815:1f95`
NS	2	`leif.ns.cloudflare.com, sloan.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	3	`v=spf1 include:zohomail.com a mx include, zoho-verification=zb29851029.zmverify.zo...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`leif.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

buildstack.app has four IP addresses: 104.21.31.149, 172.67.177.204, 2606:4700:3035::ac43:b1cc and 2606:4700:3037::6815:1f95.

rimkusbase.com, templatemonkey.com, pizario.de plus two other host names have IP numbers in common with buildstack.app.

Name Servers

buildstack.app is delegated to two name servers: leif.ns.cloudflare.com and sloan.ns.cloudflare.com.

The name server configuration of buildstack.app is shared with other domains, for instance fbi-government.workers.dev, whoishbs.com, garamnarae.pages.dev and two others.

buildstack.app has at least partial name server overlap with other domains, such as 122856.xyz, fetch-kv.pages.dev, cochrunmedia.com and two others.

These name servers tend to appear together with the name servers trey.ns.cloudflare.com, kanye.ns.cloudflare.com and paloma.ns.cloudflare.com.

Hosts with 6 IP addresses each:

leif.ns.cloudflare.com resolves to 108.162.195.222, 162.159.44.222, 172.64.35.222 and 3 other IP addresses.

sloan.ns.cloudflare.com resolves to 108.162.194.52, 162.159.38.52, 172.64.34.52 and 3 other IP addresses.

Mail Servers

buildstack.app has three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

At least some of the mail servers used by buildstack.app are shared with other domains: 6thcross.com, aurivspe.com, stapans.com and two others among them.

mx2.zoho.com, mx3.zoho.com and mx.zoho.com each resolve to a single IP address: 204.141.43.44.

Three host names point to 204.141.43.44: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.