core-stack.app - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

core-stack.app

DNSSEC⚠️ Not signed
NSjo.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aac🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjo.ns.cloudflare.com
A2803:f800:50::6ca2:c0ac🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjo.ns.cloudflare.com
A2a06:98c1:50::ac40:20ac🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjo.ns.cloudflare.com
A108.162.192.172🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjo.ns.cloudflare.com
A172.64.32.172🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjo.ns.cloudflare.com
A173.245.58.172🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjo.ns.cloudflare.com
NSreese.ns.cloudflare.com
A2606:4700:58::a29f:2c75🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
A2803:f800:50::6ca2:c375🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRreese.ns.cloudflare.com
A2a06:98c1:50::ac40:2375🇺🇸 Cloudflare2a06:98c1:50::/45
PTRreese.ns.cloudflare.com
A108.162.195.117🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
A162.159.44.117Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
A172.64.35.117🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreese.ns.cloudflare.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
TXTv=spf1 include:spf.messagingengine.com ?all
SOAjo.ns.cloudflare.comdns@cloudflare.com serial=2413066577

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

core-stack.blog
core-stack.com
core-stack.net
core-stack.app
core-stack.work
core-stack.co
core-stack.ru
core-stack.org

Similar names

eco-tracks.com
eco-tracks.se
co-stacker.nl
stack-core.digital
co-stacker.be

Previous names

cordwaine.app
cordyceps.app
core-ai.app
core-business.app
core-care.app
core-cloud.app
core-code.app
core-compass.app
core-dev.app
core-fit.app
core-flow.app
core-life.app
core-memory.app
core-mind-tech.app
core-mind-technology.app
core-mindtech.app
core-mindtechnology.app
core-plus.app
core-sparkmesh.app
core.app

Next names

core-utils.app
core-v.app
core-view.app
core-work.app
core-workflow.app
core-x.app
core0.app
core1.app
core12.app
core24.app
core247.app
core26.app
core32.app
core365.app
core4.app
core5.app
core54.app
core99.app
coreaim.app
coreaiwaveflow.app

DNS History

4 records (4 active, 0 former)

NSjo.ns.cloudflare.comreese.ns.cloudflare.comMXin1-smtp.messagingengine.comin2-smtp.messagingengine.com
●NSjo.ns.cloudflare.com2026-09-03 → 2026-09-09 · 2 obs
● 2026-09-03 09:02:42
● 2026-09-09 07:15:56
●NSreese.ns.cloudflare.com2026-09-03 → 2026-09-09 · 2 obs
● 2026-09-03 09:02:42
● 2026-09-09 07:15:56
●MXin1-smtp.messagingengine.com2026-09-03 → 2026-09-09 · 2 obs
● 2026-09-03 09:02:42
● 2026-09-09 07:15:56
●MXin2-smtp.messagingengine.com2026-09-03 → 2026-09-09 · 2 obs
● 2026-09-03 09:02:42
● 2026-09-09 07:15:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
appns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
core-stack.appreese.ns.cloudflare.com, jo.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.117

NS records: reese.ns.cloudflare.com, jo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core-stack.app (unsigned zone)

⏱️ Timing

Total: 430ms | Queries: -

📄 Records

TypeCountSample Data
NS2jo.ns.cloudflare.com, reese.ns.cloudflare.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT1v=spf1 include:spf.messagingengine.com ?
SOA1jo.ns.cloudflare.com dns.cloudflare.com

Analysis

Name Servers

The NS records for core-stack.app delegate to jo.ns.cloudflare.com and reese.ns.cloudflare.com.

core-stack.app uses the same name servers as several other domains — among them timebomb1stking.workers.dev, gusnsa.net, kellyalpine.xyz and two more.

core-stack.app partially shares its NS delegation with several other domains, including galabau-lorey.de, tidychimneycleaning.com, elizabethaingramr.pages.dev and two others.

These name servers regularly co-occur with the name servers perla.ns.cloudflare.com, violet.ns.cloudflare.com and logan.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

jo.ns.cloudflare.com maps to 108.162.192.172, 172.64.32.172, 173.245.58.172 and 3 additional IP addresses.

reese.ns.cloudflare.com maps to 108.162.195.117, 162.159.44.117, 172.64.35.117 and 3 additional IP addresses.

Mail Servers

Mail for core-stack.app is handled by two mail servers — in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

core-stack.app uses an identical mail server configuration to several other domains — among them wlcphoto.com, kwiksite.com, mail.gayvideo.net and two more.

At least a portion of core-stack.app's mail servers are also used by other domains, for example feepk.net.

Hostnames that resolve to 8 IP addresses:

in1-smtp.messagingengine.com maps to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 additional IP addresses.

Hosts that point to four IP numbers:

in2-smtp.messagingengine.com maps to the following IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.