core40.com - dns.ninja

core40.com

DNSSEC⚠️ Not signed
A162.214.157.188🇺🇸 EIGI162.214.152.0/21
PTRcor.core40.com
NSns1.core40.com ⭐
A162.214.157.188🇺🇸 EIGI162.214.152.0/21
PTRcor.core40.com
NSns2.core40.com
A162.214.64.205🇺🇸 EIGI162.214.64.0/21
PTR162-214-64-205.unifiedlayer.com
MXmail.core40.com ⭐
A162.214.157.188🇺🇸 EIGI162.214.152.0/21
PTRcor.core40.com
TXTtiktok-developers-site-verification=2G63F1KW9PXaoDvceJmVnj1
TXTgoogle-site-verification=tJz_nSQU53SQgeQKU76CHkezgC1KQWk-eGUTjawu8hI
TXTv=spf1 +ip4:162.214.157.188 ~all
SOAns1.core40.commabel@core40.com 2026-07-24 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1784928102

Subdomains

ns1.core40.com
mail.core40.com
cor.core40.com
ns2.core40.com

Same first word

core40.com

Similar names

40core.com
core04.co.kr
core04.kr

DNS History

11 records (4 active, 7 former)

20162017201820192020202120222023202420252026NSns1.core40.comns2.core40.comdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comMXmail.core40.commx.hostcentric.comA162.214.157.18850.87.190.191
○NSdns1.name-services.com2015-04-27 → 2016-11-28 · 4 obs
● 2015-04-27 06:19:44
● 2016-11-28 05:14:24
○ 2026-03-14 10:02:10
○ 2026-07-24 21:32:12
○NSdns2.name-services.com2015-04-27 → 2016-11-28 · 4 obs
● 2015-04-27 06:19:44
● 2016-11-28 05:14:24
○ 2026-03-14 10:02:10
○ 2026-07-24 21:32:12
○NSdns3.name-services.com2015-04-27 → 2016-11-28 · 4 obs
● 2015-04-27 06:19:44
● 2016-11-28 05:14:24
○ 2026-03-14 10:02:10
○ 2026-07-24 21:32:12
○NSdns4.name-services.com2015-04-27 → 2016-11-28 · 4 obs
● 2015-04-27 06:19:44
● 2016-11-28 05:14:24
○ 2026-03-14 10:02:10
○ 2026-07-24 21:32:12
○NSdns5.name-services.com2015-04-27 → 2016-11-28 · 4 obs
● 2015-04-27 06:19:44
● 2016-11-28 05:14:24
○ 2026-03-14 10:02:10
○ 2026-07-24 21:32:12
●NSns1.core40.com2026-03-14 → 2026-07-24 · 3 obs
○ 2016-11-28 05:14:24
● 2026-03-14 10:02:10
● 2026-07-24 21:32:12
●NSns2.core40.com2026-03-14 → 2026-07-24 · 3 obs
○ 2016-11-28 05:14:24
● 2026-03-14 10:02:10
● 2026-07-24 21:32:12
●MXmail.core40.com2026-03-14 → 2026-07-24 · 3 obs
○ 2016-11-28 05:14:24
● 2026-03-14 10:02:10
● 2026-07-24 21:32:12
○MXmx.hostcentric.com2015-04-27 → 2016-11-28 · 4 obs
● 2015-04-27 06:19:44
● 2016-11-28 05:14:24
○ 2026-03-14 10:02:10
○ 2026-07-24 21:32:12
●A162.214.157.1882026-03-14 → 2026-07-24 · 3 obs
○ 2016-11-28 05:14:24
● 2026-03-14 10:02:10
● 2026-07-24 21:32:12
○A50.87.190.1912015-04-27 → 2016-11-28 · 4 obs
● 2015-04-27 06:19:44
● 2016-11-28 05:14:24
○ 2026-03-14 10:02:10
○ 2026-07-24 21:32:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...-
core40.comns1.core40.com, ns2.core40.com2 records

✅ Authoritative Response

Server:162.214.64.205

NS records: ns1.core40.com, ns2.core40.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core40.com (unsigned zone)

⏱️ Timing

Total: 351ms | Queries: -

📄 Records

TypeCountSample Data
A1162.214.157.188
NS2ns2.core40.com, ns1.core40.com
MX1mail.core40.com (pri: 0)
TXT3tiktok-developers-site-verification=2G63, google-site-verification=tJz_nSQU53SQgeQ...
SOA1ns1.core40.com mabel.core40.com

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.core40.com, ns2.core40.com)

Analysis

Hierarchy

The domain core40.com is a parent of ns1.core40.com, mail.core40.com, cor.core40.com and ns2.core40.com.

IP Addresses

core40.com resolves to one IP address: 162.214.157.188.

Additional host names such as ns1.core40.com, mail.core40.com, cor.core40.com and transformational.fitness share IP numbers with core40.com.

Name Servers

core40.com is served by two delegated name servers, ns1.core40.com and ns2.core40.com.

Other domains share the same name server configuration as core40.com, for example transformational.fitness.

Each of ns1.core40.com and ns2.core40.com has one IP address: ns1.core40.com uses 162.214.157.188 and ns2.core40.com uses 162.214.64.205.

Mail Servers

Mail for core40.com is handled by a single mail server, mail.core40.com.

There is one IP number for mail.core40.com: 162.214.157.188.