🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stack.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:9af0^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:d44^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.68^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.154.240^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`desi.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a60^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c060^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`desi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2060^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`desi.ns.cloudflare.com`
		A	108.162.192.96^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
		A	172.64.32.96^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
		A	173.245.58.96^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
NS	`lamar.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c38e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lamar.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:238e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lamar.ns.cloudflare.com`
		A	108.162.195.142^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
		A	162.159.44.142^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.ns.cloudflare.com`
		A	172.64.35.142^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lamar.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`⁽⁸⁾
		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`⁽⁵⁸⁾
		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	`ahrefs-site-verification_383bec0dd2e3ed5e0b25279a5f3c596ada01fe5bc5862c7caf9d...`
TXT	`google-site-verification=AeFhst0ZBWn6yUxhcYk4EwlXKOCLd07pAGsj_93VoRQ`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.68, 172.67.154.240
		IPv6 hints	2606:4700:3031::ac43:9af0, 2606:4700:3033::6815:d44
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com
SOA	`desi.ns.cloudflare.com`dns@cloudflare.com serial=2414112949

`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

stack.supply

stack.cool

stack.ge

stack.is

stack.family

stack.fail

stack.la

stack.com.br

stack.bzh

stack.plus

stack.pl

stack.limo

stack.ie

stack.gov.sg

stack.cz

stack.asia

stack.ltd

stack.rip

stack.haus

stack.ee

stack.st

stack.spb.ru

stack.co.tz

stack.lol

stack.be

stack.house

stack.fm

stack.app

stack.su

stack.city

stack.how

stack.net

stack.com.sa

stack.email

stack.com.mx

stack.fr

stack.biz

stack.uk.net

stack.bz

stack.buzz

stack.skin

stack.biz.id

stack.agency

stack.ru

stack.ml

stack.wedding

stack.vc

stack.inc

stack.lt

stack.horse

stack.yun

stack.boats

stack.zone

stack.blue

stack.university

stack.hamburg

stack.vip

stack.best

stack.immo

stack.my

stack.ski

stack.farm

stack.si

stack.ph

stack.co.uk

stack.net.ua

stack.my.id

stack.org

stack.sarl

stack.gallery

stack.cash

stack.latino

stack.sa

stack.it

stack.or.jp

stack.fyi

stack.nl

stack.events

stack.ws

stack.cl

stack.ng

stack.autos

stack.money

stack.com

stack.ninja

stack.net.ng

stack.compare

stack.trade

stack.win

stack.enterprises

stack.ad

stack.hu

stack.services

stack.com.cn

stack.world

stack.net.au

stack.za.com

stack.ca

stack.nyc

stack.nu

Similar names

akstc.com

kastc.com

kacst.gov.sa

sctak.com

akcst.cn

tacks.xyz

tasck.dev

kctsa.org

tcksa.com

sctak.se

tacks.studio

tacks.uk

tacks.co.uk

kcast.ph

tacks.ph

tasck.tech

astck.pages.dev

akstc.net

skatc.nfshost.com

satck.com

stakc.org

cskat.com

taskc.xyz

tcask.org

aktcs.com

actks.com

tasck.in

ctask.org.py

kcast.com

Previous names

Next names

DNS History

13 records (9 active, 4 former)

●NSdesi.ns.cloudflare.com2026-09-05 → 2026-09-05 · 2 obs

● 2026-09-05 06:07:30
● 2026-09-05 19:16:04

●NSlamar.ns.cloudflare.com2026-09-05 → 2026-09-05 · 2 obs

● 2026-09-05 06:07:30
● 2026-09-05 19:16:04

●MXroute1.mx.cloudflare.net2026-09-05 → 2026-09-05 · 2 obs

● 2026-09-05 06:07:30
● 2026-09-05 19:16:04

●MXroute2.mx.cloudflare.net2026-09-05 → 2026-09-05 · 2 obs

● 2026-09-05 06:07:30
● 2026-09-05 19:16:04

●MXroute3.mx.cloudflare.net2026-09-05 → 2026-09-05 · 2 obs

● 2026-09-05 06:07:30
● 2026-09-05 19:16:04

●A104.21.13.682026-09-05 → 2026-09-05 · 2 obs

○ 2026-09-05 06:07:30
● 2026-09-05 19:16:04

●A172.67.154.2402026-09-05 → 2026-09-05 · 2 obs

○ 2026-09-05 06:07:30
● 2026-09-05 19:16:04

○A188.114.96.02026-09-05 → 2026-09-05 · 2 obs

● 2026-09-05 06:07:30
○ 2026-09-05 19:16:04

○A188.114.97.02026-09-05 → 2026-09-05 · 2 obs

● 2026-09-05 06:07:30
○ 2026-09-05 19:16:04

●A2606:4700:3031::ac43:9af02026-09-05 → 2026-09-05 · 2 obs

○ 2026-09-05 06:07:30
● 2026-09-05 19:16:04

●A2606:4700:3033::6815:d442026-09-05 → 2026-09-05 · 2 obs

○ 2026-09-05 06:07:30
● 2026-09-05 19:16:04

○A2a06:98c1:3120::2026-09-05 → 2026-09-05 · 2 obs

● 2026-09-05 06:07:30
○ 2026-09-05 19:16:04

○A2a06:98c1:3121::2026-09-05 → 2026-09-05 · 2 obs

● 2026-09-05 06:07:30
○ 2026-09-05 19:16:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
stack.app	lamar.ns.cloudflare.com, desi.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.96

NS records: lamar.ns.cloudflare.com, desi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stack.app (unsigned zone)

⏱️ Timing

Total: 771ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.13.68, 172.67.154.240`
AAAA	2	`2606:4700:3033::6815:d44, 2606:4700:3031::ac43:9af0`
NS	2	`desi.ns.cloudflare.com, lamar.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 5), route3.mx.cloudflare.net (pri: 58)...`
TXT	3	`ahrefs-site-verification_383bec0dd2e3ed5, google-site-verification=AeFhst0ZBWn6yUx...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`desi.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

stack.app directs to four IP numbers, which are 104.21.13.68, 172.67.154.240, 2606:4700:3031::ac43:9af0 and 2606:4700:3033::6815:d44.

Additional host names — 1688089.com, lizzysportscomplex.com, lagalaxy911.app and two others — share IP numbers with stack.app.

Name Servers

Two name servers handle the delegation for stack.app: desi.ns.cloudflare.com and lamar.ns.cloudflare.com.

stack.app shares its name server setup with other domains, including brian-hu.com, 2wwq1yt447os.workers.dev, iuaf.edu.mx and two others.

At least some of stack.app's name servers are shared with other domains, for example kata.co.nz, thomas-35f.workers.dev, tonboriday.com and two more.

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

Host names with 6 IP numbers:

desi.ns.cloudflare.com resolves to 108.162.192.96, 172.64.32.96 and 173.245.58.96 among others, with 3 other IP addresses in total.

lamar.ns.cloudflare.com resolves to 108.162.195.142, 162.159.44.142 and 172.64.35.142 among others, with 3 other IP addresses in total.

Mail Servers

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

stack.app shares mail servers — at least in part — with other domains, including simvault.app, gregbr.uno, auvoren.app and two others.

Host names with 6 IP numbers:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.

stack.app - robtex.com

stack.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

`stack.app`

`app`