core-utils.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

core-utils.dev

DNSSEC⚠️ Not signed
A216.198.79.1🇺🇸 Amazon216.198.79.0/24 EC2 Prefix
NSns1071.ui-dns.biz ⭐
NSns1021.ui-dns.com
A2607:f1c0:fe:53:185:132:34:21🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1021.ui-dns.com
A185.132.34.21🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1021.ui-dns.com
NSns1036.ui-dns.org
A2607:f1c0:fe:53:185:132:35:36🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1036.ui-dns.org
A185.132.35.36🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1036.ui-dns.org
NSns1066.ui-dns.de
A2607:f1c0:fe:53:185:132:32:66🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1066.ui-dns.de
A185.132.32.66🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1066.ui-dns.de
MXmx00.ionos.es ⭐
A212.227.15.171🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
MXmx01.ionos.es ⭐
A212.227.15.188🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx01.kundenserver.de
TXTopenai-domain-verification=dv-uwEuY6lqQPQR6Cn5lY1SJdAb
TXTv=spf1 include:_spf-eu.ionos.com ~all
TXTbrevo-code:40dd9dcd85858b97a442ec407355ec07
TXTgoogle-site-verification=UY9jNB63hecrUAvVb5aTDPMT2GsXy-SBr5PbJ1-2RoY
SOAns1071.ui-dns.bizhostmaster@1und1.com 2017-06-01 #20

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

core-utils.app
core-utils.dev

Similar names

tour-celis.pages.dev
lotus-rice.com
cluster-io.com
clout-rise.com
elotric-us.myshopify.com

Previous names

cordx.dev
cordy.dev
cordycep.dev
core-apps.dev
core-architect.dev
core-backbone.dev
core-coding.dev
core-compass.dev
core-connect.dev
core-engine.dev
core-ex.dev
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.dev

Next names

core-value.dev
core-x.dev
core0.dev
core10lab.dev
core16.dev
core2.dev
core22.dev
core3.dev
core3d.dev
core42.dev
core49.dev
core5.dev
core5labs.dev
core64.dev
coreaccess.dev
coreader.dev
coreagent.dev
coreagents.dev
coreai.dev
coreaisolutions.dev

DNS History

7 records (7 active, 0 former)

NSns1021.ui-dns.comns1036.ui-dns.orgns1066.ui-dns.dens1071.ui-dns.bizMXmx00.ionos.esmx01.ionos.esA216.198.79.1
●NSns1021.ui-dns.com2026-09-01 → 2026-09-06 · 2 obs
● 2026-09-01 16:21:52
● 2026-09-06 20:55:54
●NSns1036.ui-dns.org2026-09-01 → 2026-09-06 · 2 obs
● 2026-09-01 16:21:52
● 2026-09-06 20:55:54
●NSns1066.ui-dns.de2026-09-01 → 2026-09-06 · 2 obs
● 2026-09-01 16:21:52
● 2026-09-06 20:55:54
●NSns1071.ui-dns.biz2026-09-01 → 2026-09-06 · 2 obs
● 2026-09-01 16:21:52
● 2026-09-06 20:55:54
●MXmx00.ionos.es2026-09-01 → 2026-09-06 · 2 obs
● 2026-09-01 16:21:52
● 2026-09-06 20:55:54
●MXmx01.ionos.es2026-09-01 → 2026-09-06 · 2 obs
● 2026-09-01 16:21:52
● 2026-09-06 20:55:54
●A216.198.79.12026-09-01 → 2026-09-06 · 2 obs
● 2026-09-01 16:21:52
● 2026-09-06 20:55:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...10 records
core-utils.devns1021.ui-dns.com, ns1071.ui-dns.biz, ns1036.ui-dns.org, ns1066.ui-dns.de-

✅ Authoritative Response

Server:185.132.32.66

NS records: ns1021.ui-dns.com, ns1071.ui-dns.biz, ns1036.ui-dns.org, ns1066.ui-dns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core-utils.dev (unsigned zone)

⏱️ Timing

Total: 689ms | Queries: -

📄 Records

TypeCountSample Data
A1216.198.79.1
NS4ns1071.ui-dns.biz, ns1021.ui-dns.com...
MX2mx01.ionos.es (pri: 10), mx00.ionos.es (pri: 10)
TXT4v=spf1 include:_spf-eu.ionos.com ~all, brevo-code:40dd9dcd85858b97a442ec407355e...
SOA1ns1071.ui-dns.biz hostmaster.1und1.com

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

core-utils.dev points to a single IP number: 216.198.79.1.

Additional host names — sarkanytea.hu, uruks.app, nosedeus.online and two others — share IP numbers with core-utils.dev.

Name Servers

core-utils.dev has four authoritative name servers: ns1071.ui-dns.biz, ns1021.ui-dns.com, ns1066.ui-dns.de and ns1036.ui-dns.org.

There is at least partial name server overlap between core-utils.dev and other domains — sproutlivefood.com, niklas-eschbaumer.de, zetteragencies.com and two more among them.

These name servers regularly appear alongside ns1036.ui-dns.de, ns1036.ui-dns.biz, ns1036.ui-dns.com and 7 other name servers in NS record sets.

ns1021.ui-dns.com, ns1066.ui-dns.de and ns1036.ui-dns.org are three hostnames that each resolve to a pair of IP addresses: ns1021.ui-dns.com to 185.132.34.21 and 2607:f1c0:fe:53:185:132:34:21, ns1066.ui-dns.de to 185.132.32.66 and 2607:f1c0:fe:53:185:132:32:66, and ns1036.ui-dns.org to 185.132.35.36 and 2607:f1c0:fe:53:185:132:35:36.

Mail Servers

core-utils.dev has two mail servers: mx00.ionos.es and mx01.ionos.es.

core-utils.dev shares the same mail server setup as other domains, including libertis-ondemand.es, aerotermiasalamanca.es, aynaka.com and two others.

mx00.ionos.es → 212.227.15.171 and mx01.ionos.es → 212.227.15.188: one IP number per host name.