core5.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

core5.dev

DNSSEC⚠️ Not signed
NSkeira.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26ce🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeira.ns.cloudflare.com
A2803:f800:50::6ca2:c2ce🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkeira.ns.cloudflare.com
A2a06:98c1:50::ac40:22ce🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkeira.ns.cloudflare.com
A108.162.194.206🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeira.ns.cloudflare.com
A162.159.38.206Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeira.ns.cloudflare.com
A172.64.34.206🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeira.ns.cloudflare.com
NSleo.ns.cloudflare.com
A2606:4700:58::a29f:2cf1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleo.ns.cloudflare.com
A2803:f800:50::6ca2:c3f1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleo.ns.cloudflare.com
A2a06:98c1:50::ac40:23f1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRleo.ns.cloudflare.com
A108.162.195.241🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleo.ns.cloudflare.com
A162.159.44.241Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleo.ns.cloudflare.com
A172.64.35.241🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleo.ns.cloudflare.com
MXcore5-dev.mail.protection.outlook.com ⭐
A2a01:111:f403:c918::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-byapr04cu00400.inbound.protection.outlook.com
A2a01:111:f403:c91d::b🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-mw2pr02cu00603.inbound.protection.outlook.com
A2a01:111:f403:f901::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-mn2pr04cu00200.inbound.protection.outlook.com
A2a01:111:f403:f907::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-dm1pr04cu00201.inbound.protection.outlook.com
A52.101.11.2🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sn1pr03cu00102.inbound.protection.outlook.com
A52.101.40.6🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cy1pr03cu00106.inbound.protection.outlook.com
A52.101.41.4🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00204.inbound.protection.outlook.com
A52.101.60.65🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn3pr02cu00101.inbound.protection.outlook.com
TXTMS=ms52370932
TXTv=spf1 include:spf.protection.outlook.com -all
SOAkeira.ns.cloudflare.comdns@cloudflare.com serial=2411641522

dev

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=1
🔒 HSTS Preload (+subdomains)

Same first word

core5.ca
core5.in
core5.tech
core5.marketing
core5.world
core5.ru
core5.me
core5.org
core5.org.uk
core5.com.au
core5.co.uk
core5.info
core5.co.in
core5.net
core5.workers.dev
core5.app
core5.biz
core5.us
core5.dev
core5.de

Similar names

5cero.pages.dev
5core.org
5core.com
5core.eu
5core.net
5core.co.uk
5orce.com
5core.in
5core.co.il

Previous names

core-lab.dev
core-loop.dev
core-net.dev
core-platform.dev
core-protocol-studios.dev
core-tech.dev
core-ui.dev
core-us.dev
core-utils.dev
core-value.dev
core-x.dev
core0.dev
core10lab.dev
core16.dev
core2.dev
core22.dev
core3.dev
core3d.dev
core42.dev
core49.dev

Next names

core5labs.dev
core64.dev
coreaccess.dev
coreader.dev
coreagent.dev
coreagents.dev
coreai.dev
coreaisolutions.dev
corealease.dev
corealpine.dev
coreanalytics.dev
coreapp.dev
corearcade.dev
corearch.dev
coreauth.dev
coreauton.dev
coreautonos.dev
coreaxis.dev
coreband.dev
corebank.dev

DNS History

3 records (3 active, 0 former)

NSkeira.ns.cloudflare.comleo.ns.cloudflare.comMXcore5-dev.mail.protection.outlook.com
●NSkeira.ns.cloudflare.com2026-09-01 → 2026-09-08 · 2 obs
● 2026-09-01 18:06:48
● 2026-09-08 04:59:52
●NSleo.ns.cloudflare.com2026-09-01 → 2026-09-08 · 2 obs
● 2026-09-01 18:06:48
● 2026-09-08 04:59:52
●MXcore5-dev.mail.protection.outlook.com2026-09-01 → 2026-09-08 · 2 obs
● 2026-09-01 18:06:48
● 2026-09-08 04:59:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
core5.devleo.ns.cloudflare.com, keira.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.241

NS records: leo.ns.cloudflare.com, keira.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core5.dev (unsigned zone)

⏱️ Timing

Total: 583ms | Queries: -

📄 Records

TypeCountSample Data
NS2keira.ns.cloudflare.com, leo.ns.cloudflare.com
MX1core5-dev.mail.protection.outlook.com (p
TXT2MS=ms52370932, v=spf1 include:spf.protection.outlook.co
SOA1keira.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 10

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

Analysis

Name Servers

core5.dev uses two name servers for its delegation: keira.ns.cloudflare.com and leo.ns.cloudflare.com.

core5.dev shares its name server setup with other domains, including latentphysics.com, transcriptsapp.com, zqvpn7.com and two others.

core5.dev shares at least some of its name servers with other domains, including remcapital.workers.dev, pickabel.com, jonathan-peiss.workers.dev and two others.

These name servers are frequently paired with the name servers rafe.ns.cloudflare.com and skip.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname keira.ns.cloudflare.com directs to 108.162.194.206, 162.159.38.206 and 172.64.34.206 along with 3 other IP addresses.

Hostname leo.ns.cloudflare.com directs to 108.162.195.241, 162.159.44.241 and 172.64.35.241 along with 3 other IP addresses.

Mail Servers

core5.dev has one mail server: core5-dev.mail.protection.outlook.com.

core5-dev.mail.protection.outlook.com points to 8 IP numbers: 52.101.11.2, 52.101.40.6, 52.101.41.4 and 5 other.