corebuilt.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

corebuilt.dev

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:23f7🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:b5c1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.35.247Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.193🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlauryn.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2616🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlauryn.ns.cloudflare.com
A2803:f800:50::6ca2:c216🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlauryn.ns.cloudflare.com
A2a06:98c1:50::ac40:2216🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlauryn.ns.cloudflare.com
A108.162.194.22🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlauryn.ns.cloudflare.com
A162.159.38.22Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlauryn.ns.cloudflare.com
A172.64.34.22🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlauryn.ns.cloudflare.com
NSosmar.ns.cloudflare.com
A2606:4700:58::a29f:2c7c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
A2803:f800:50::6ca2:c37c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRosmar.ns.cloudflare.com
A2a06:98c1:50::ac40:237c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRosmar.ns.cloudflare.com
A108.162.195.124🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
A162.159.44.124Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
A172.64.35.124🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRosmar.ns.cloudflare.com
MXmx1.spacemail.com ⭐
A162.255.118.30🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTRmx1.spacemail.com
MXmx2.spacemail.com ⭐
A162.255.118.31🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTRmx2.spacemail.com
TXT8ca65270-335c-4e3a-96a8-2e5165ab6ce2
TXTgoogle-site-verification=s7weSxinxgjbIqSeRF7zVB-Nk3mJ-Wn-kCMp62pHWuE
TXTv=spf1 include:spf.spacemail.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.35.247, 172.67.181.193
IPv6 hints2606:4700:3037::6815:23f7, 2606:4700:3037::ac43:b5c1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=29, name=cloudflare-ech.com
SOAlauryn.ns.cloudflare.comdns@cloudflare.com serial=2413178967

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

corebuilt.net
corebuilt.dev
corebuilt.biz
corebuilt.online
corebuilt.ca
corebuilt.co
corebuilt.com
corebuilt.ph
corebuilt.de
corebuilt.homes
corebuilt.au

Similar names

tricoblue.com
builtcore.ca
cleirbout.be
builtcore.us
creobuilt.com
recobuilt.com
blu(0x65726f746963).de
builtcore.net
rulebotic.com
builtcore.org
builtcore.de
builtcore.biz
builtcore.com
biurotelc.pl
(0x65726f746963)lub.com
clueorbit.com

Previous names

core5labs.dev
core64.dev
coreaccess.dev
coreader.dev
coreai.dev
corealease.dev
corealpine.dev
coreapp.dev
corearch.dev
coreauth.dev
coreauton.dev
coreautonos.dev
coreband.dev
corebank.dev
corebapp.dev
corebot.dev
corebots.dev
corebox.dev
corebridge.dev
corebridgedigital.dev

Next names

corebuso.dev
corecheck.dev
coreci.dev
coreclaw.dev
corecms.dev
corecode.dev
corecoder.dev
corecollective.dev
corecontrol.dev
corecp.dev
corecrm.dev
cored.dev
coredeck.dev
coredev.dev
corediver.dev
coredna.dev
coredoes.dev
coredot.dev
coredrift.dev
coreen.dev

DNS History

8 records (8 active, 0 former)

NSlauryn.ns.cloudflare.comosmar.ns.cloudflare.comMXmx1.spacemail.commx2.spacemail.comA104.21.35.247172.67.181.1932606:4700:3037::6815:23f72606:4700:3037::ac43:b5c1
●NSlauryn.ns.cloudflare.com2026-08-29 → 2026-08-31 · 2 obs
● 2026-08-29 06:48:50
● 2026-08-31 01:48:58
●NSosmar.ns.cloudflare.com2026-08-29 → 2026-08-31 · 2 obs
● 2026-08-29 06:48:50
● 2026-08-31 01:48:58
●MXmx1.spacemail.com2026-08-29 → 2026-08-31 · 2 obs
● 2026-08-29 06:48:50
● 2026-08-31 01:48:58
●MXmx2.spacemail.com2026-08-29 → 2026-08-31 · 2 obs
● 2026-08-29 06:48:50
● 2026-08-31 01:48:58
●A104.21.35.2472026-08-29 → 2026-08-31 · 2 obs
● 2026-08-29 06:48:50
● 2026-08-31 01:48:58
●A172.67.181.1932026-08-29 → 2026-08-31 · 2 obs
● 2026-08-29 06:48:50
● 2026-08-31 01:48:58
●A2606:4700:3037::6815:23f72026-08-29 → 2026-08-31 · 2 obs
● 2026-08-29 06:48:50
● 2026-08-31 01:48:58
●A2606:4700:3037::ac43:b5c12026-08-29 → 2026-08-31 · 2 obs
● 2026-08-29 06:48:50
● 2026-08-31 01:48:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
corebuilt.devlauryn.ns.cloudflare.com, osmar.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.22

NS records: lauryn.ns.cloudflare.com, osmar.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corebuilt.dev (unsigned zone)

⏱️ Timing

Total: 629ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.181.193, 104.21.35.247
AAAA22606:4700:3037::ac43:b5c1, 2606:4700:3037::6815:23f7
NS2lauryn.ns.cloudflare.com, osmar.ns.cloudflare.com
MX2mx1.spacemail.com (pri: 0), mx2.spacemail.com (pri: 0)
TXT38ca65270-335c-4e3a-96a8-2e5165ab6ce2, google-site-verification=s7weSxinxgjbIqS...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1lauryn.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

corebuilt.dev has four IP addresses: 104.21.35.247, 172.67.181.193, 2606:4700:3037::6815:23f7 and 2606:4700:3037::ac43:b5c1.

Two other host names, along with jeffric.com, bcouch.net and hargluqaqoluvqu.info, also share IP numbers with corebuilt.dev.

Name Servers

Two name servers handle the delegation for corebuilt.dev: lauryn.ns.cloudflare.com and osmar.ns.cloudflare.com.

corebuilt.dev shares its NS records with other domains, for example showbizradio.cyou, bettingslotscasino.cyou, cryptonews.cyou and two others.

corebuilt.dev partially shares its NS delegation with several other domains, including garyaoreillya.pages.dev, aelive.it.com, tumundostereo.com and two others.

These name servers often co-occur with the name servers leia.ns.cloudflare.com.

DNS names with 6 IP addresses:

lauryn.ns.cloudflare.com resolves to 108.162.194.22, 162.159.38.22 and 172.64.34.22 among others, with 3 other IP addresses in total.

osmar.ns.cloudflare.com resolves to 108.162.195.124, 162.159.44.124 and 172.64.35.124 among others, with 3 other IP addresses in total.

Mail Servers

corebuilt.dev is served by two mail servers, mx1.spacemail.com and mx2.spacemail.com.

Among the domains sharing a mail server setup with corebuilt.dev are alriazacademy.site, firsto.co, kotexts.com and two others.

There is at least a partial MX overlap between corebuilt.dev and other domains, including flixera.co, 7a.eu, jaquemate.world and two others.

mx1.spacemail.com resolves to 162.255.118.30. mx2.spacemail.com resolves to 162.255.118.31. Both host names point to a single IP number.