flexstack.app - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

flexstack.app

DNSSEC🔒 Signed (DS record present)
A2606:4700:3032::6815:5ba3🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:af88🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.91.163Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.175.136🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnoah.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b85🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
A2803:f800:50::6ca2:c185🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnoah.ns.cloudflare.com
A2a06:98c1:50::ac40:2185🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnoah.ns.cloudflare.com
A108.162.193.133🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
A172.64.33.133🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
A173.245.59.133🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
NSsara.ns.cloudflare.com
A2606:4700:50::adf5:3a90🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsara.ns.cloudflare.com
A2803:f800:50::6ca2:c090🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsara.ns.cloudflare.com
A2a06:98c1:50::ac40:2090🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsara.ns.cloudflare.com
A108.162.192.144🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsara.ns.cloudflare.com
A172.64.32.144🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsara.ns.cloudflare.com
A173.245.58.144🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsara.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.91.163, 172.67.175.136
IPv6 hints2606:4700:3032::6815:5ba3, 2606:4700:3037::ac43:af88
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=126, name=cloudflare-ech.com
SOAnoah.ns.cloudflare.comdns@cloudflare.com serial=2414483433

app

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427
🔒 HSTS Preload (+subdomains)

Same first word

flexstack.run
flexstack.tech
flexstack.app
flexstack.com
flexstack.ai
flexstack.co
flexstack.xyz
flexstack.org
flexstack.online
flexstack.nl
flexstack.io
flexstack.eu

Similar names

stackflex.io

Previous names

flexscale.app
flexseat.app
flexseed.app
flexservices.app
flexshark.app
flexsheet.app
flexsign.app
flexskills.app
flexslide.app
flexslot.app
flexslots.app
flexsmart.app
flexsnap.app
flexso.app
flexsolutions.app
flexspace.app
flexspeak.app
flexspec.app
flexsr.app

Next names

flexstay.app
flexstock.app
flexstore.app
flexstudios.app
flexsub.app
flexsume.app
flexsuper.app
flexsuperapp.app
flexsync.app
flexsystems.app
flext.app
flextab.app
flextag.app
flextags.app
flextask.app
flextechcrm.app
flextest.app
flextext.app
flextimer.app
flextock.app

DNS History

10 records (6 active, 4 former)

NSnoah.ns.cloudflare.comsara.ns.cloudflare.comA104.21.91.163172.67.175.1362606:4700:3032::6815:5ba32606:4700:3037::ac43:af88188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSnoah.ns.cloudflare.com2026-09-03 → 2026-09-11 · 2 obs
● 2026-09-03 10:48:40
● 2026-09-11 09:41:56
●NSsara.ns.cloudflare.com2026-09-03 → 2026-09-11 · 2 obs
● 2026-09-03 10:48:40
● 2026-09-11 09:41:56
●A104.21.91.1632026-09-10 → 2026-09-11 · 3 obs
○ 2026-09-03 10:48:40
● 2026-09-10 19:29:38
● 2026-09-11 09:41:56
●A172.67.175.1362026-09-10 → 2026-09-11 · 3 obs
○ 2026-09-03 10:48:40
● 2026-09-10 19:29:38
● 2026-09-11 09:41:56
○A188.114.96.02026-09-03 → 2026-09-03 · 3 obs
● 2026-09-03 10:48:40
○ 2026-09-10 19:29:38
○ 2026-09-11 09:41:56
○A188.114.97.02026-09-03 → 2026-09-03 · 3 obs
● 2026-09-03 10:48:40
○ 2026-09-10 19:29:38
○ 2026-09-11 09:41:56
●A2606:4700:3032::6815:5ba32026-09-10 → 2026-09-11 · 3 obs
○ 2026-09-03 10:48:40
● 2026-09-10 19:29:38
● 2026-09-11 09:41:56
●A2606:4700:3037::ac43:af882026-09-10 → 2026-09-11 · 3 obs
○ 2026-09-03 10:48:40
● 2026-09-10 19:29:38
● 2026-09-11 09:41:56
○A2a06:98c1:3120::2026-09-03 → 2026-09-03 · 3 obs
● 2026-09-03 10:48:40
○ 2026-09-10 19:29:38
○ 2026-09-11 09:41:56
○A2a06:98c1:3121::2026-09-03 → 2026-09-03 · 3 obs
● 2026-09-03 10:48:40
○ 2026-09-10 19:29:38
○ 2026-09-11 09:41:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
appns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...10 records
flexstack.appnoah.ns.cloudflare.com, sara.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.133

NS records: noah.ns.cloudflare.com, sara.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1197ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.175.136, 104.21.91.163
AAAA22606:4700:3037::ac43:af88, 2606:4700:3032::6815:5ba3
NS2noah.ns.cloudflare.com, sara.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1noah.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

flexstack.app directs to four IP numbers, which are 104.21.91.163, 172.67.175.136, 2606:4700:3032::6815:5ba3 and 2606:4700:3037::ac43:af88.

eyesouth.co, impressyk.cn, officialtst4d1.skin and two other host names share IP numbers with flexstack.app.

Name Servers

Two name servers handle the delegation for flexstack.app: noah.ns.cloudflare.com and sara.ns.cloudflare.com.

flexstack.app uses the same name servers as several other domains — among them bordaycreabysadys.com, play666.land, novaideiatecnologia.pages.dev and two more.

There is at least partial name server overlap between flexstack.app and other domains — bbzb19.today, manageyourgifts45.com, gap-line-drawing-recognize.pages.dev and two more among them.

Hostnames that resolve to 6 IP addresses:

noah.ns.cloudflare.com resolves to 108.162.193.133, 172.64.33.133 and 173.245.59.133 among others, with 3 other IP addresses in total.

sara.ns.cloudflare.com resolves to 108.162.192.144, 172.64.32.144 and 173.245.58.144 among others, with 3 other IP addresses in total.