stackapps.app - dns.ninja

`stackapps.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3f1c^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:8ea9^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.63.28^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.169^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sasha.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2645^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sasha.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c245^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sasha.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2245^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sasha.ns.cloudflare.com`
		A	108.162.194.69^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sasha.ns.cloudflare.com`
		A	162.159.38.69^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sasha.ns.cloudflare.com`
		A	172.64.34.69^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sasha.ns.cloudflare.com`
NS	`wells.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wells.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`wells.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`wells.ns.cloudflare.com`
		A	108.162.195.125^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wells.ns.cloudflare.com`
		A	162.159.44.125^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wells.ns.cloudflare.com`
		A	172.64.35.125^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wells.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		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`⁽¹⁶⁾
		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	`route2.mx.cloudflare.net`⁽⁶⁷⁾
		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`
TXT	`google-site-verification=nG2iNcIfc_CXEVr3LL0RHr47GDTBk_lyjP_TDMWtOjo`
TXT	`hosting-site=stackapps-dcab1`
TXT	`replit-verify=20dfeebb-0b36-45e9-b86c-82b48dfc72fd`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.63.28, 172.67.142.169
		IPv6 hints	2606:4700:3030::6815:3f1c, 2606:4700:3033::ac43:8ea9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com
SOA	`sasha.ns.cloudflare.com`dns@cloudflare.com serial=2408021360

`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

stackapps.com

stackapps.app

Similar names

appstacks.com

appstacks.club

appstacks.net

stacksapp.com

stacksapp.io

appsstack.com

DNS History

10 records (9 active, 1 former)

●NSsasha.ns.cloudflare.com2026-04-08 → 2026-06-29 · 2 obs

● 2026-04-08 04:35:54
● 2026-06-29 15:37:12

●NSwells.ns.cloudflare.com2026-04-08 → 2026-06-29 · 2 obs

● 2026-04-08 04:35:54
● 2026-06-29 15:37:12

●MXroute1.mx.cloudflare.net2026-04-08 → 2026-06-29 · 2 obs

● 2026-04-08 04:35:54
● 2026-06-29 15:37:12

●MXroute2.mx.cloudflare.net2026-04-08 → 2026-06-29 · 2 obs

● 2026-04-08 04:35:54
● 2026-06-29 15:37:12

●MXroute3.mx.cloudflare.net2026-04-08 → 2026-06-29 · 2 obs

● 2026-04-08 04:35:54
● 2026-06-29 15:37:12

●A104.21.63.282026-04-23 → 2026-06-29 · 3 obs

○ 2026-04-08 04:35:54
● 2026-04-23 15:49:02
● 2026-06-29 15:37:12

●A172.67.142.1692026-04-23 → 2026-06-29 · 3 obs

○ 2026-04-08 04:35:54
● 2026-04-23 15:49:02
● 2026-06-29 15:37:12

○A199.36.158.1002026-04-08 → 2026-04-08 · 3 obs

● 2026-04-08 04:35:54
○ 2026-04-23 15:49:02
○ 2026-06-29 15:37:12

●A2606:4700:3030::6815:3f1c2026-04-23 → 2026-06-29 · 3 obs

○ 2026-04-08 04:35:54
● 2026-04-23 15:49:02
● 2026-06-29 15:37:12

●A2606:4700:3033::ac43:8ea92026-04-23 → 2026-06-29 · 3 obs

○ 2026-04-08 04:35:54
● 2026-04-23 15:49:02
● 2026-06-29 15:37:12

🔍 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
stackapps.app	wells.ns.cloudflare.com, sasha.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.125

NS records: wells.ns.cloudflare.com, sasha.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackapps.app (unsigned zone)

⏱️ Timing

Total: 915ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.142.169, 104.21.63.28`
AAAA	2	`2606:4700:3033::ac43:8ea9, 2606:4700:3030::6815:3f1c`
NS	2	`sasha.ns.cloudflare.com, wells.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 15), route3.mx.cloudflare.net (pri: 16)...`
TXT	4	`google-site-verification=nG2iNcIfc_CXEVr, hosting-site=stackapps-dcab1...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sasha.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 10

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

Analysis

IP Addresses

stackapps.app points to the four IP addresses 104.21.63.28, 172.67.142.169, 2606:4700:3030::6815:3f1c and 2606:4700:3033::ac43:8ea9.

informatika.untag-sby.ac.id, kedokteran.untag-sby.ac.id, l1fes1mple.com plus two other host names have IP numbers in common with stackapps.app.

Name Servers

stackapps.app has two authoritative name servers — sasha.ns.cloudflare.com and wells.ns.cloudflare.com.

The name server configuration of stackapps.app is shared with other domains, for instance calypterv.com, lilyrayarts.com, pledgetoprovide.com and two others.

At least some of stackapps.app's name servers are shared with other domains, for example xsvt.org, buy-medrol.shop, pwdim.com and two more.

These name servers tend to appear together with the name servers nile.ns.cloudflare.com, janet.ns.cloudflare.com and sureena.ns.cloudflare.com, plus two others.

Hosts with 6 IP addresses each:

sasha.ns.cloudflare.com points to 108.162.194.69, 162.159.38.69, 172.64.34.69 and 3 other IP addresses.

wells.ns.cloudflare.com points to 108.162.195.125, 162.159.44.125, 172.64.35.125 and 3 other IP addresses.

Mail Servers

The MX records for stackapps.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 stackapps.app are shared with other domains: greenhydrogen.in, 6mo.top, lipsett.com and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.