`blackdoctor.com`

DNSSEC	⚠️ Not signed
A	141.193.213.20^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
A	141.193.213.21^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
NS	`kara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kara.ns.cloudflare.com`
		A	108.162.192.123^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
		A	172.64.32.123^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
		A	173.245.58.123^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kara.ns.cloudflare.com`
NS	`west.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`west.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`west.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`west.ns.cloudflare.com`
		A	108.162.193.247^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`west.ns.cloudflare.com`
		A	172.64.33.247^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`west.ns.cloudflare.com`
		A	173.245.59.247^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`west.ns.cloudflare.com`
MX	`d359130a.ess.barracudanetworks.com` ⭐
		A	209.222.82.252^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.253^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.255^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
MX	`d359130b.ess.barracudanetworks.com`⁽⁵⁾
		A	209.222.82.252^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.253^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.255^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
TXT	`google-site-verification=3PkTG5KYxHDWIq03uOzIO9QVJ4CIPvFYTsL3HeuVaEM`
TXT	`v=spf1 include:_spf.google.com include:49629752.spf01.hubspotemail.net ~all`
SOA	`kara.ns.cloudflare.com`dns@cloudflare.com serial=2401583679

`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=1778336556

rank #790424 globally
rank #347067 in the tld
📈 Tranco rank: #331,965

Same first word

blackdoctor.org

blackdoctor.com

DNS History

24 records (6 active, 18 former)

○NSa.ns.ultsearch.com2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 11:26:34
○ 2015-07-05 06:57:04
○ 2026-05-09 14:51:20

○NSb.ns.ultsearch.com2007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 11:26:34
○ 2015-07-05 06:57:04
○ 2026-05-09 14:51:20

●NSkara.ns.cloudflare.com2026-03-28 → 2026-05-09 · 3 obs

○ 2018-05-18 18:11:26
● 2026-03-28 23:09:24
● 2026-05-09 14:51:20

○NSns1.namefind.com2015-07-05 → 2017-01-05 · 5 obs

○ 2007-10-29 11:26:34
● 2015-07-05 06:57:04
● 2017-01-05 15:40:28
○ 2018-05-18 18:11:26
○ 2026-05-09 14:51:20

○NSns43.domaincontrol.com2018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-05 15:40:28
● 2018-05-18 18:11:26
○ 2026-03-28 23:09:24
○ 2026-05-09 14:51:20

○NSns44.domaincontrol.com2018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-05 15:40:28
● 2018-05-18 18:11:26
○ 2026-03-28 23:09:24
○ 2026-05-09 14:51:20

●NSwest.ns.cloudflare.com2026-03-28 → 2026-05-09 · 3 obs

○ 2018-05-18 18:11:26
● 2026-03-28 23:09:24
● 2026-05-09 14:51:20

●MXd359130a.ess.barracudanetworks.com2026-03-28 → 2026-05-09 · 2 obs

● 2026-03-28 23:09:24
● 2026-05-09 14:51:20

●MXd359130b.ess.barracudanetworks.com2026-03-28 → 2026-05-09 · 2 obs

● 2026-03-28 23:09:24
● 2026-05-09 14:51:20

●A141.193.213.202026-03-28 → 2026-05-09 · 3 obs

○ 2018-05-18 18:11:26
● 2026-03-28 23:09:24
● 2026-05-09 14:51:20

●A141.193.213.212026-03-28 → 2026-05-09 · 3 obs

○ 2018-05-18 18:11:26
● 2026-03-28 23:09:24
● 2026-05-09 14:51:20

○A15.197.225.1282026-03-28 → 2026-05-09 · 2 obs

○ 2026-03-28 23:09:24
○ 2026-05-09 14:51:20

○A184.168.221.112018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-05 15:40:28
● 2018-05-18 18:11:26
○ 2026-03-28 23:09:24
○ 2026-05-09 14:51:20

○A184.168.221.162018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-05 15:40:28
● 2018-05-18 18:11:26
○ 2026-03-28 23:09:24
○ 2026-05-09 14:51:20

○A184.168.221.182018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-05 15:40:28
● 2018-05-18 18:11:26
○ 2026-03-28 23:09:24
○ 2026-05-09 14:51:20

○A184.168.221.252018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-05 15:40:28
● 2018-05-18 18:11:26
○ 2026-03-28 23:09:24
○ 2026-05-09 14:51:20

○A184.168.221.52018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-05 15:40:28
● 2018-05-18 18:11:26
○ 2026-03-28 23:09:24
○ 2026-05-09 14:51:20

○A208.73.211.702015-07-05 → 2017-01-05 · 5 obs

○ 2007-10-29 11:26:34
● 2015-07-05 06:57:04
● 2017-01-05 15:40:28
○ 2018-05-18 18:11:26
○ 2026-05-09 14:51:20

○A3.33.251.1682026-03-28 → 2026-05-09 · 2 obs

○ 2026-03-28 23:09:24
○ 2026-05-09 14:51:20

○A50.63.202.312018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-05 15:40:28
● 2018-05-18 18:11:26
○ 2026-03-28 23:09:24
○ 2026-05-09 14:51:20

○A50.63.202.52018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-05 15:40:28
● 2018-05-18 18:11:26
○ 2026-03-28 23:09:24
○ 2026-05-09 14:51:20

○A50.63.202.82018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-05 15:40:28
● 2018-05-18 18:11:26
○ 2026-03-28 23:09:24
○ 2026-05-09 14:51:20

○A50.63.202.92018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-05 15:40:28
● 2018-05-18 18:11:26
○ 2026-03-28 23:09:24
○ 2026-05-09 14:51:20

○A66.116.125.1212007-10-29 → 2007-10-29 · 3 obs

● 2007-10-29 11:26:34
○ 2015-07-05 06:57:04
○ 2026-05-09 14:51:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...	-
blackdoctor.com	kara.ns.cloudflare.com, west.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.247

NS records: kara.ns.cloudflare.com, west.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blackdoctor.com (unsigned zone)

⏱️ Timing

Total: 195ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`141.193.213.20, 141.193.213.21`
NS	2	`kara.ns.cloudflare.com, west.ns.cloudflare.com`
MX	2	`d359130a.ess.barracudanetworks.com (pri:, d359130b.ess.barracudanetworks.com (pri:`
TXT	2	`google-site-verification=3PkTG5KYxHDWIq0, v=spf1 include:_spf.google.com include:4`
SOA	1	`kara.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (kara.ns.cloudflare.com, kara.ns.cloudflare.com, kara.ns.cloudflare.com...)

Analysis

IP Addresses

blackdoctor.com points to two IP numbers: 141.193.213.20 and 141.193.213.21.

Other host names such as solectamembranes.com, atlanticdialysis.com, nature-valley.nl, accumulus.org and eceng.com share IPs with blackdoctor.com.

Name Servers

blackdoctor.com is delegated to two name servers: kara.ns.cloudflare.com and west.ns.cloudflare.com.

blackdoctor.com shares the same name server setup as thomasjcoffey.com, christoffersand.dk, intermarkgroup.com, ipsv.ir and gayburg.com.

blackdoctor.com at least partially shares name servers with other domains, for instance pearsonfield.com, ruthbrown.net, datingsitesvergelijken.be, drivepop.com and uwbdvsgqteofpdlfnsbxywbrldoshw.xyz.

These name servers are commonly used together with theo.ns.cloudflare.com, nancy.ns.cloudflare.com and elmo.ns.cloudflare.com.

Host names with six IP numbers:

kara.ns.cloudflare.com points to 2606:4700:50::adf5:3a7b, 2803:f800:50::6ca2:c07b, 2a06:98c1:50::ac40:207b, 108.162.192.123, 172.64.32.123 and 173.245.58.123.

west.ns.cloudflare.com points to 2606:4700:58::adf5:3bf7, 2803:f800:50::6ca2:c1f7, 2a06:98c1:50::ac40:21f7, 108.162.193.247, 172.64.33.247 and 173.245.59.247.

Mail Servers

blackdoctor.com is handled by two mail servers: d359130a.ess.barracudanetworks.com and d359130b.ess.barracudanetworks.com.

Host names with three IP numbers:

d359130a.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255.

d359130b.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255.

Names that point to 209.222.82.252: d359130a.ess.barracudanetworks.com and d359130b.ess.barracudanetworks.com.

Names that point to 209.222.82.253: d359130a.ess.barracudanetworks.com and d359130b.ess.barracudanetworks.com.

Names that point to 209.222.82.255: d359130a.ess.barracudanetworks.com and d359130b.ess.barracudanetworks.com.

blackdoctor.com - robtex.com

blackdoctor.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`blackdoctor.com`

`com`