ystack.app - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

ystack.app

DNSSEC🔒 Signed (DS record present)
A2606:4700:3031::6815:3850🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:b56d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.80Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.109🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaugustus.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c02🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaugustus.ns.cloudflare.com
A2803:f800:50::6ca2:c302🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaugustus.ns.cloudflare.com
A2a06:98c1:50::ac40:2302🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaugustus.ns.cloudflare.com
A108.162.195.2🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaugustus.ns.cloudflare.com
A162.159.44.2Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaugustus.ns.cloudflare.com
A172.64.35.2🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaugustus.ns.cloudflare.com
NSlorna.ns.cloudflare.com
A2606:4700:50::adf5:3abe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlorna.ns.cloudflare.com
A2803:f800:50::6ca2:c0be🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlorna.ns.cloudflare.com
A2a06:98c1:50::ac40:20be🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlorna.ns.cloudflare.com
A108.162.192.190🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlorna.ns.cloudflare.com
A172.64.32.190🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlorna.ns.cloudflare.com
A173.245.58.190🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlorna.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.56.80, 172.67.181.109
IPv6 hints2606:4700:3031::6815:3850, 2606:4700:3035::ac43:b56d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=200, name=cloudflare-ech.com
SOAaugustus.ns.cloudflare.comdns@cloudflare.com serial=2415536497

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

ystack.com
ystack.cc
ystack.dev
ystack.app
ystack.cn

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DNS History

10 records (6 active, 4 former)

NSaugustus.ns.cloudflare.comlorna.ns.cloudflare.comA104.21.56.80172.67.181.1092606:4700:3031::6815:38502606:4700:3035::ac43:b56d188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSaugustus.ns.cloudflare.com2026-09-06 → 2026-09-26 · 2 obs
● 2026-09-06 10:56:06
● 2026-09-26 12:51:54
●NSlorna.ns.cloudflare.com2026-09-06 → 2026-09-26 · 2 obs
● 2026-09-06 10:56:06
● 2026-09-26 12:51:54
●A104.21.56.802026-09-26 → 2026-09-26 · 3 obs
○ 2026-09-06 10:56:06
● 2026-09-26 12:51:50
● 2026-09-26 12:51:54
●A172.67.181.1092026-09-26 → 2026-09-26 · 3 obs
○ 2026-09-06 10:56:06
● 2026-09-26 12:51:50
● 2026-09-26 12:51:54
○A188.114.96.02026-09-06 → 2026-09-06 · 3 obs
● 2026-09-06 10:56:06
○ 2026-09-26 12:51:50
○ 2026-09-26 12:51:54
○A188.114.97.02026-09-06 → 2026-09-06 · 3 obs
● 2026-09-06 10:56:06
○ 2026-09-26 12:51:50
○ 2026-09-26 12:51:54
●A2606:4700:3031::6815:38502026-09-26 → 2026-09-26 · 3 obs
○ 2026-09-06 10:56:06
● 2026-09-26 12:51:50
● 2026-09-26 12:51:54
●A2606:4700:3035::ac43:b56d2026-09-26 → 2026-09-26 · 3 obs
○ 2026-09-06 10:56:06
● 2026-09-26 12:51:50
● 2026-09-26 12:51:54
○A2a06:98c1:3120::2026-09-06 → 2026-09-06 · 3 obs
● 2026-09-06 10:56:06
○ 2026-09-26 12:51:50
○ 2026-09-26 12:51:54
○A2a06:98c1:3121::2026-09-06 → 2026-09-06 · 3 obs
● 2026-09-06 10:56:06
○ 2026-09-26 12:51:50
○ 2026-09-26 12:51:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
appns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
ystack.appaugustus.ns.cloudflare.com, lorna.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.2

NS records: augustus.ns.cloudflare.com, lorna.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 525ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.56.80, 172.67.181.109
AAAA22606:4700:3031::6815:3850, 2606:4700:3035::ac43:b56d
NS2augustus.ns.cloudflare.com, lorna.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1augustus.ns.cloudflare.com dns.cloudflar

Analysis

IP Addresses

ystack.app resolves to four IP addresses: 104.21.56.80, 172.67.181.109, 2606:4700:3031::6815:3850 and 2606:4700:3035::ac43:b56d.

Two other host names, along with ztskfu.asia, fc66.run and bb-healthcare.co.uk, also share IP numbers with ystack.app.

Name Servers

Two name servers handle the delegation for ystack.app: augustus.ns.cloudflare.com and lorna.ns.cloudflare.com.

ystack.app shares its NS records with other domains, for example medauthor.net, kidzdayout.com.au, homegrounddining.com.au and two others.

ystack.app has at least partial name server overlap with other domains, such as mafialubsko.pl, tir-kuban.ru, chronosoft.email and two others.

It is common to find these name servers paired with the name servers laura.ns.cloudflare.com, algin.ns.cloudflare.com, otto.ns.cloudflare.com and nena.ns.cloudflare.com.

DNS names with 6 IP addresses:

augustus.ns.cloudflare.com resolves to 108.162.195.2, 162.159.44.2 and 172.64.35.2 among others, with 3 other IP addresses in total.

lorna.ns.cloudflare.com resolves to 108.162.192.190, 172.64.32.190 and 173.245.58.190 among others, with 3 other IP addresses in total.