`cardiacdocs.com`

DNSSEC	⚠️ Not signed
A	37.1.197.93^{🇩🇪 LEASEWEB-DE-FRA-1037.1.192.0/21 routed via LeaseWeb DE}
NS	`a7.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`a.share-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net` ⚠️ Not in zone NS records
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b7.share-dns.net` ⚠️ Not in parent delegation
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1767104883

`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=1774385782

📈 Tranco rank: #738,827

Same first word

cardiacdocs.com

DNS History

10 records (5 active, 5 former)

●NSa.share-dns.com2026-03-08 → 2026-03-24 · 3 obs

○ 2017-08-09 04:38:28
● 2026-03-08 12:27:10
● 2026-03-24 21:18:34

●NSa7.share-dns.com2026-03-08 → 2026-03-24 · 3 obs

○ 2017-08-09 04:38:28
● 2026-03-08 12:27:10
● 2026-03-24 21:18:34

●NSb.share-dns.net2026-03-08 → 2026-03-24 · 3 obs

○ 2017-08-09 04:38:28
● 2026-03-08 12:27:10
● 2026-03-24 21:18:34

●NSb7.share-dns.net2026-03-08 → 2026-03-24 · 3 obs

○ 2017-08-09 04:38:28
● 2026-03-08 12:27:10
● 2026-03-24 21:18:34

○NSns1.domain-is-4-sale-at-domainmarket.com2015-08-12 → 2017-08-09 · 4 obs

● 2015-08-12 05:42:10
● 2017-08-09 04:38:28
○ 2026-03-08 12:27:10
○ 2026-03-24 21:18:34

○NSns2.domainmarket.com2015-08-12 → 2017-08-09 · 4 obs

● 2015-08-12 05:42:10
● 2017-08-09 04:38:28
○ 2026-03-08 12:27:10
○ 2026-03-24 21:18:34

○A138.68.39.2242016-09-09 → 2016-09-09 · 4 obs

○ 2016-03-28 07:04:38
● 2016-09-09 05:09:22
○ 2017-08-09 04:38:28
○ 2026-03-24 21:18:34

○A173.239.23.2282017-08-09 → 2017-08-09 · 4 obs

○ 2016-09-09 05:09:22
● 2017-08-09 04:38:28
○ 2026-03-08 12:27:10
○ 2026-03-24 21:18:34

○A174.137.132.1002015-08-12 → 2016-03-28 · 4 obs

● 2015-08-12 05:42:10
● 2016-03-28 07:04:38
○ 2016-09-09 05:09:22
○ 2026-03-24 21:18:34

●A37.1.197.932026-03-08 → 2026-03-24 · 3 obs

○ 2017-08-09 04:38:28
● 2026-03-08 12:27:10
● 2026-03-24 21:18:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cardiacdocs.com	b7.share-dns.net, a7.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b7.share-dns.net, a7.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cardiacdocs.com (unsigned zone)

⏱️ Timing

Total: 314ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.1.197.93`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a7.share-dns.com)

Analysis

IP Addresses

cardiacdocs.com points to a single IP number: 37.1.197.93.

Name Servers

cardiacdocs.com is delegated to four name servers: a7.share-dns.com, a.share-dns.com, b7.share-dns.net and b.share-dns.net.

cardiacdocs.com at least partially shares name servers with other domains, for instance jinganzi.com, rbcaps.com, hbyuze.com, mfifa.com and ttyh8.cn.