`heartvalvesurgery.com`

DNSSEC	⚠️ Not signed
A	199.250.204.235^{🇺🇸 IMH-IAD199.250.204.0/24 ZYPHER MEDIA, INC. (added by MAINT-AS3257)}
		PTR	`server.heartvalvesurgery.com`
NS	`ns-941.awsdns-53.net` ⭐
		A	2600:9000:5303:ad00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-941.awsdns-53.net`
		A	205.251.195.173^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-941.awsdns-53.net`
NS	`ns-1250.awsdns-28.org`
		A	2600:9000:5304:e200::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1250.awsdns-28.org`
		A	205.251.196.226^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1250.awsdns-28.org`
NS	`ns-1573.awsdns-04.co.uk`
		A	2600:9000:5306:2500::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1573.awsdns-04.co.uk`
		A	205.251.198.37^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1573.awsdns-04.co.uk`
NS	`ns-445.awsdns-55.com`
		A	2600:9000:5301:bd00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-445.awsdns-55.com`
		A	205.251.193.189^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-445.awsdns-55.com`
MX	`heartvalvesurgery-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c802::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy4pr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr05cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
		A	52.101.11.9^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr02cu00101.inbound.protection.outlook.com`
		A	52.101.11.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr04cu00203.inbound.protection.outlook.com`
		A	52.101.41.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01406.inbound.protection.outlook.com`
		A	52.101.42.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr04cu00106.inbound.protection.outlook.com`
TXT	`MS=ms69110708`
TXT	`google-site-verification=M-0hzrlj5sIKvwFtr-b9oAWmFlbCY0TTmENwcc_8Lec`
TXT	`google-site-verification=XrroSrxiYdAjw05VWsGNmY6AyeGh813aZwW0cb7_WCA`
TXT	`v=spf1 +ip4:199.250.204.235 +ip4:192.249.113.16 +ip4:216.240.177.120 +ip4:173...`
SOA	`ns-941.awsdns-53.net`awsdns-hostmaster@amazon.com serial=1

`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=1786401394

Previously MX for

heartvalvesurgery.com

Subdomains

server.heartvalvesurgery.com

Same first word

heartvalvesurgery.com

DNS History

11 records (6 active, 5 former)

●NSns-1250.awsdns-28.org2026-08-10 → 2026-08-10 · 2 obs

○ 2026-04-10 02:55:38
● 2026-08-10 22:54:34

●NSns-1573.awsdns-04.co.uk2026-08-10 → 2026-08-10 · 2 obs

○ 2026-04-10 02:55:38
● 2026-08-10 22:54:34

●NSns-445.awsdns-55.com2026-08-10 → 2026-08-10 · 2 obs

○ 2026-04-10 02:55:38
● 2026-08-10 22:54:34

●NSns-941.awsdns-53.net2026-08-10 → 2026-08-10 · 2 obs

○ 2026-04-10 02:55:38
● 2026-08-10 22:54:34

○NSns.inmotionhosting.com2015-03-21 → 2026-04-10 · 3 obs

● 2015-03-21 06:51:10
● 2026-04-10 02:55:38
○ 2026-08-10 22:54:34

○NSns1.inmotionhosting.com2026-04-10 → 2026-04-10 · 3 obs

○ 2015-03-21 06:51:10
● 2026-04-10 02:55:38
○ 2026-08-10 22:54:34

○NSns2.inmotionhosting.com2015-03-21 → 2026-04-10 · 3 obs

● 2015-03-21 06:51:10
● 2026-04-10 02:55:38
○ 2026-08-10 22:54:34

●MXheartvalvesurgery-com.mail.protection.outlook.com2026-04-10 → 2026-08-10 · 3 obs

○ 2017-03-14 22:16:32
● 2026-04-10 02:55:38
● 2026-08-10 22:54:34

○MXheartvalvesurgery.com2015-03-21 → 2017-03-14 · 4 obs

● 2015-03-21 06:51:10
● 2017-03-14 22:16:32
○ 2026-04-10 02:55:38
○ 2026-08-10 22:54:34

●A199.250.204.2352026-04-10 → 2026-08-10 · 3 obs

○ 2017-03-14 22:16:32
● 2026-04-10 02:55:38
● 2026-08-10 22:54:34

○A23.235.212.2132015-03-21 → 2017-03-14 · 4 obs

● 2015-03-21 06:51:10
● 2017-03-14 22:16:32
○ 2026-04-10 02:55:38
○ 2026-08-10 22:54:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net...	-
heartvalvesurgery.com	ns-445.awsdns-55.com, ns-941.awsdns-53.net, ns-1573.awsdns-04.co.uk, ns-1250.awsdns-28.org	2 records

✅ Authoritative Response

Server:205.251.193.189

NS records: ns-445.awsdns-55.com, ns-941.awsdns-53.net, ns-1573.awsdns-04.co.uk, ns-1250.awsdns-28.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for heartvalvesurgery.com (unsigned zone)

⏱️ Timing

Total: 287ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.250.204.235`
NS	4	`ns-1250.awsdns-28.org, ns-1573.awsdns-04.co.uk...`
MX	1	`heartvalvesurgery-com.mail.protection.ou`
TXT	4	`MS=ms69110708, google-site-verification=M-0hzrlj5sIKvwF...`
SOA	1	`ns-941.awsdns-53.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-445.awsdns-55.com, ns-445.awsdns-55.com)

Analysis

Hierarchy

heartvalvesurgery.com is the parent zone for server.heartvalvesurgery.com.

IP Addresses

heartvalvesurgery.com directs to one IP number, which is 199.250.204.235.

Other host names — clinicalcardiac.com, server.heartvalvesurgery.com, mail.heart-valve-surgery.com and heart-valve-surgery.com — share IP numbers with heartvalvesurgery.com.

Name Servers

The domain heartvalvesurgery.com is delegated to these four name servers: ns-445.awsdns-55.com, ns-941.awsdns-53.net, ns-1250.awsdns-28.org and ns-1573.awsdns-04.co.uk.

heartvalvesurgery.com partially shares its NS delegation with several other domains, including molnargeomatics.com, voglioso-single.com, ntechgreen.com and two others.

ns-445.awsdns-55.com, ns-941.awsdns-53.net, ns-1250.awsdns-28.org and ns-1573.awsdns-04.co.uk each carry two IP addresses. ns-445.awsdns-55.com has 205.251.193.189 and 2600:9000:5301:bd00::1; ns-941.awsdns-53.net has 205.251.195.173 and 2600:9000:5303:ad00::1; ns-1250.awsdns-28.org has 205.251.196.226 and 2600:9000:5304:e200::1; ns-1573.awsdns-04.co.uk has 205.251.198.37 and 2600:9000:5306:2500::1.

Mail Servers

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

heartvalvesurgery-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.11.9, 52.101.11.19 and 52.101.41.6, along with 5 other.

heartvalvesurgery.com - robtex.com