`mdtcorevalve.com`

DNSSEC	⚠️ Not signed
A	144.15.206.71^{🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
NS	`ns2.medtronic.com` ⭐
		A	144.15.255.10^{🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`ns2.medtronic.com`
NS	`ns3.medtronic.com`
		A	144.15.238.202^{🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`ns3.medtronic.com`
NS	`ns4.medtronic.com`
		A	144.15.255.33^{🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
NS	`ns5.medtronic.com`
		A	144.15.238.210^{🇺🇸 MEDTRONIC-AS144.15.0.0/16 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`ns5.medtronic.com`
TXT	`v=spf1 -all`
SOA	`ns2.medtronic.com`hostmaster@medtronic.com 2013-08-26 #35

`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=1771291435

Same first word

mdtcorevalve.com

DNS History

7 records (5 active, 2 former)

●NSns2.medtronic.com2015-06-16 → 2026-03-23 · 2 obs

● 2015-06-16 02:42:22
● 2026-03-23 11:00:44

●NSns3.medtronic.com2015-06-16 → 2026-03-23 · 2 obs

● 2015-06-16 02:42:22
● 2026-03-23 11:00:44

●NSns4.medtronic.com2015-06-16 → 2026-03-23 · 2 obs

● 2015-06-16 02:42:22
● 2026-03-23 11:00:44

●NSns5.medtronic.com2015-06-16 → 2026-03-23 · 2 obs

● 2015-06-16 02:42:22
● 2026-03-23 11:00:44

○MXmail.messaging.microsoft.com2015-06-16 → 2018-01-06 · 4 obs

● 2015-06-16 02:42:22
● 2018-01-06 05:45:00
○ 2026-03-08 14:50:12
○ 2026-03-23 11:00:44

○A144.15.206.422015-06-16 → 2018-01-06 · 4 obs

● 2015-06-16 02:42:22
● 2018-01-06 05:45:00
○ 2026-03-08 14:50:12
○ 2026-03-23 11:00:44

●A144.15.206.712026-03-08 → 2026-03-23 · 3 obs

○ 2018-01-06 05:45:00
● 2026-03-08 14:50:12
● 2026-03-23 11:00:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mdtcorevalve.com	ns2.medtronic.com, ns3.medtronic.com, ns4.medtronic.com, ns5.medtronic.com	4 records

✅ Authoritative Response

Server:144.15.255.33

NS records: ns2.medtronic.com, ns3.medtronic.com, ns4.medtronic.com, ns5.medtronic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mdtcorevalve.com (unsigned zone)

⏱️ Timing

Total: 237ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`144.15.206.71`
NS	4	`ns4.medtronic.com, ns5.medtronic.com...`
TXT	1	`v=spf1 -all`
SOA	1	`ns2.medtronic.com hostmaster.medtronic.c`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.medtronic.com, ns3.medtronic.com, ns4.medtronic.com...)

Analysis

IP Addresses

mdtcorevalve.com resolves to one IP number: 144.15.206.71.

other host names including cardiacrhythm.com, annuerx.com, translate.medtronic.com, automated-artificial-pancreas.org and pro.medtronic-diabetes.com share IP numbers with mdtcorevalve.com.

Name Servers

mdtcorevalve.com is delegated to four name servers: ns2.medtronic.com, ns3.medtronic.com, ns4.medtronic.com and ns5.medtronic.com.

mdtcorevalve.com at least partially shares name servers with other domains, for instance minimed780g.com, e-drg.fi, kyphosis.net, learnaboutdysphasia.com and mclheart.com.

these name servers are commonly used alongside relay1.medtronic.com.

Host names with one IP number: ns2.medtronic.com points to 144.15.255.10; ns3.medtronic.com points to 144.15.238.202; ns4.medtronic.com points to 144.15.255.33; ns5.medtronic.com points to 144.15.238.210.

mdtcorevalve.com - robtex.com