`oceancardiovascular.com`

DNSSEC	⚠️ Not signed
A	199.180.140.11^{🇺🇸 Amazon199.180.140.0/24 EC2 Prefix}
A	199.180.140.12^{🇺🇸 Amazon199.180.140.0/24 EC2 Prefix}
NS	`ns1.systemdns.com` ⭐
		A	2604:4000:0:d:216:40:47:90^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns1.systemdns.com`
		A	216.40.47.90^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`ns1.systemdns.com`
NS	`ns2.systemdns.com`
		A	2604:4000:2800:d:64:99:148:16^{🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.}
			PTR	`ns2.systemdns.com`
		A	64.98.148.16^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`ns2.systemdns.com`
NS	`ns3.systemdns.com`
		A	2604:4000:0:d:64:99:96:36^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns3.systemdns.com`
		A	64.99.96.36^{🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2}
			PTR	`ns3.systemdns.com`
MX	`mx.oceancardiovascular.com.cust.a.hostedemail.com` ⭐
TXT	`v=spf1 include:_spf.hostedemail.com ~all`
SOA	`ns1.systemdns.com`hostmaster@systemdns.com serial=1757559560

`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=1776170702

Same first word

oceancardiovascular.com

DNS History

7 records (6 active, 1 former)

●NSns1.systemdns.com2016-12-15 → 2026-04-14 · 2 obs

● 2016-12-15 04:57:34
● 2026-04-14 12:55:44

●NSns2.systemdns.com2016-12-15 → 2026-04-14 · 2 obs

● 2016-12-15 04:57:34
● 2026-04-14 12:55:44

●NSns3.systemdns.com2016-12-15 → 2026-04-14 · 2 obs

● 2016-12-15 04:57:34
● 2026-04-14 12:55:44

●MXmx.oceancardiovascular.com.cust.a.hostedemail.com2016-12-15 → 2026-04-14 · 2 obs

● 2016-12-15 04:57:34
● 2026-04-14 12:55:44

●A199.180.140.112026-04-09 → 2026-04-14 · 3 obs

○ 2017-08-24 01:39:04
● 2026-04-09 07:11:04
● 2026-04-14 12:55:44

●A199.180.140.122026-04-09 → 2026-04-14 · 3 obs

○ 2017-08-24 01:39:04
● 2026-04-09 07:11:04
● 2026-04-14 12:55:44

○A205.147.88.1432016-12-15 → 2017-08-24 · 4 obs

● 2016-12-15 04:57:34
● 2017-08-24 01:39:04
○ 2026-04-09 07:11:04
○ 2026-04-14 12:55:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net...	-
oceancardiovascular.com	ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com	6 records

✅ Authoritative Response

Server:64.99.96.36

NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oceancardiovascular.com (unsigned zone)

⏱️ Timing

Total: 165ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`199.180.140.11, 199.180.140.12`
NS	3	`ns3.systemdns.com, ns1.systemdns.com...`
MX	1	`mx.oceancardiovascular.com.cust.a.hosted`
TXT	1	`v=spf1 include:_spf.hostedemail.com ~all`
SOA	1	`ns1.systemdns.com hostmaster.systemdns.c`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.systemdns.com, ns1.systemdns.com, ns2.systemdns.com...)

Analysis

IP Addresses

oceancardiovascular.com points to two IPs: 199.180.140.11 and 199.180.140.12.

Other host names, for instance swimconpool.net, countersandtile.com, fostersplumbingheating.com, marshcable.com and applianceconnectionpflugerville.com share IP numbers with oceancardiovascular.com.

Name Servers

oceancardiovascular.com is delegated to name servers ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.

oceancardiovascular.com at least partially shares name servers with other domains such as malinbridgemotors.co.uk, virtualdynamos.com, emfa-medmark.com, deans-landscaping.com and insulationblowingequipment.com.

Host names with two IP numbers:

ns1.systemdns.com points to 2604:4000:0:d:216:40:47:90 and 216.40.47.90.

ns2.systemdns.com points to 2604:4000:2800:d:64:99:148:16 and 64.98.148.16.

ns3.systemdns.com points to 2604:4000:0:d:64:99:96:36 and 64.99.96.36.

Mail Servers

oceancardiovascular.com is handled by a single mail server, mx.oceancardiovascular.com.cust.a.hostedemail.com.

oceancardiovascular.com - robtex.com