`corecardiology.com`

DNSSEC	⚠️ Not signed
A	3.33.251.168^{🇺🇸 Amazon3.33.240.0/20}
A	15.197.225.128^{🇺🇸 Amazon15.197.224.0/20}
NS	`ns23.domaincontrol.com` ⭐
		A	2603:5:2151::c^{🇺🇸 GODADDY-DNS2603:5:2150::/44}
			PTR	`ns23.domaincontrol.com`
		A	97.74.101.12^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns23.domaincontrol.com`
NS	`ns24.domaincontrol.com`
		A	2603:5:2251::c^{🇺🇸 GODADDY-DNS2603:5:2250::/44}
			PTR	`ns24.domaincontrol.com`
		A	173.201.69.12^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns24.domaincontrol.com`
MX	`corecardiology-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c942::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	2a01:111:f403:c942::2^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00602.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu00900.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu01001.inbound.protection.outlook.com`
		A	52.101.190.0^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt5pr01cu00100.inbound.protection.outlook.com`
		A	52.101.190.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	52.101.190.2^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt3pr01cu00602.inbound.protection.outlook.com`
		A	52.101.190.3^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt6pr01cu00103.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns23.domaincontrol.com`dns@jomax.net 2026-07-24 #3

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786088779

Same first word

corecardiology.com

DNS History

7 records (5 active, 2 former)

○NSns2.cgocable.net2015-08-08 → 2017-06-12 · 5 obs

○ 2008-03-20 16:04:06
● 2015-08-08 23:38:34
● 2017-06-12 18:29:46
○ 2026-05-13 17:10:36
○ 2026-08-07 08:16:24

●NSns23.domaincontrol.com2026-05-13 → 2026-08-07 · 3 obs

○ 2017-06-12 18:29:46
● 2026-05-13 17:10:36
● 2026-08-07 08:16:24

●NSns24.domaincontrol.com2026-05-13 → 2026-08-07 · 3 obs

○ 2017-06-12 18:29:46
● 2026-05-13 17:10:36
● 2026-08-07 08:16:24

○NSns4.cgocable.net2015-08-08 → 2017-06-12 · 5 obs

○ 2008-03-20 16:04:06
● 2015-08-08 23:38:34
● 2017-06-12 18:29:46
○ 2026-05-13 17:10:36
○ 2026-08-07 08:16:24

●MXcorecardiology-com.mail.protection.outlook.com2015-08-08 → 2026-08-07 · 3 obs

○ 2008-03-20 16:04:06
● 2015-08-08 23:38:34
● 2026-08-07 08:16:24

●A15.197.225.1282026-05-13 → 2026-08-07 · 2 obs

● 2026-05-13 17:10:36
● 2026-08-07 08:16:24

●A3.33.251.1682026-05-13 → 2026-08-07 · 2 obs

● 2026-05-13 17:10:36
● 2026-08-07 08:16:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...	-
corecardiology.com	ns23.domaincontrol.com, ns24.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.101.12

NS records: ns23.domaincontrol.com, ns24.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corecardiology.com (unsigned zone)

⏱️ Timing

Total: 465ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.197.225.128, 3.33.251.168`
NS	2	`ns24.domaincontrol.com, ns23.domaincontrol.com`
MX	1	`corecardiology-com.mail.protection.outlo`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns23.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns23.domaincontrol.com, ns23.domaincontrol.com, ns24.domaincontrol.com...)

Analysis

IP Addresses

corecardiology.com has two IP addresses: 3.33.251.168 and 15.197.225.128

Among the host names that share IP numbers with corecardiology.com are aiangi.com, loganbloom.com, fuchs-oilyemen.me and two others.

Name Servers

corecardiology.com is served by two delegated name servers, ns23.domaincontrol.com and ns24.domaincontrol.com.

corecardiology.com has the same name server delegation as a number of other domains, such as startwebs.com, advancedresearchtechnologies.com, 01ar.top and two more.

Each of the two host names carries two IP addresses: ns23.domaincontrol.com points to 97.74.101.12 and 2603:5:2151::c, and ns24.domaincontrol.com points to 173.201.69.12 and 2603:5:2251::c.

Mail Servers

corecardiology.com routes its mail through a single mail server, corecardiology-com.mail.protection.outlook.com.

corecardiology-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.190.0, 52.101.190.1 and 52.101.190.2, along with 5 other.

corecardiology.com - robtex.com