`clinicalknowledge.com`

DNSSEC	⚠️ Not signed
A	208.73.209.18^{🇻🇬 AS401348208.73.209.0/24}
NS	`ns.buydomains.com` ⭐ ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`
NS	`this-domain-for-sale.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`
SOA	`ns.buydomains.com`bd-operations@namemedia.com 2023-02-05 #12

`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

Subdomains

hostmaster.clinicalknowledge.com

Same first word

clinicalknowledge.com

DNS History

6 records (3 active, 3 former)

●NSns.buydomains.com2015-05-31 → 2026-03-24 · 2 obs

● 2015-05-31 22:03:56
● 2026-03-24 00:47:50

●NSthis-domain-for-sale.com2026-03-23 → 2026-03-24 · 3 obs

○ 2015-05-31 22:03:56
● 2026-03-23 15:12:50
● 2026-03-24 00:47:50

○A207.148.248.1432015-10-19 → 2017-04-01 · 5 obs

○ 2015-05-31 22:03:56
● 2015-10-19 21:48:30
● 2017-04-01 17:47:26
○ 2020-03-24 19:23:38
○ 2026-03-24 00:47:50

●A208.73.209.182026-03-23 → 2026-03-24 · 3 obs

○ 2020-03-24 19:23:38
● 2026-03-23 15:12:50
● 2026-03-24 00:47:50

○A209.99.64.442020-03-24 → 2020-03-24 · 4 obs

○ 2017-04-01 17:47:26
● 2020-03-24 19:23:38
○ 2026-03-23 15:12:50
○ 2026-03-24 00:47:50

○A50.63.202.1042015-05-31 → 2015-05-31 · 3 obs

● 2015-05-31 22:03:56
○ 2015-10-19 21:48:30
○ 2026-03-24 00:47:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net...	-
clinicalknowledge.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.20.26.87

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for clinicalknowledge.com (unsigned zone)

⏱️ Timing

Total: 168ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.73.209.18`
SOA	1	`ns.buydomains.com bd-operations.namemedi`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

Hierarchy

hostmaster.clinicalknowledge.com is a child of clinicalknowledge.com.

IP Addresses

clinicalknowledge.com resolves to one IP number: 208.73.209.18.

Other host names, for instance petbox.net, hostmaster.aisec.net, www.wholesaleglobal.com, reactpro.com and mailserver.refinedsports.com share IP numbers with clinicalknowledge.com.

Name Servers

clinicalknowledge.com's delegation uses two name servers: this-domain-for-sale.com and ns.buydomains.com.

clinicalknowledge.com uses the same name server setup as other domains, such as electricstreetbike.com, cardiomachine.com, nrha.net, astralconnections.com and ameraspalace.com.

clinicalknowledge.com at least partially shares name servers with other domains, for instance fraids.com, hoopersweb.com, benewsworthy.com and kitchenawards.com.

These name servers are commonly used with ns2.buydomains.com.

Host names with a single IP number:

The host name this-domain-for-sale.com points to 52.20.26.87.

The host name ns.buydomains.com points to 52.20.26.87.

Host names pointing to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com.

clinicalknowledge.com - robtex.com