`coursesmba.com`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`darwin.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c197^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darwin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2197^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darwin.ns.cloudflare.com`
		A	108.162.193.151^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	172.64.33.151^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	173.245.59.151^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
NS	`sara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c090^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2090^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sara.ns.cloudflare.com`
		A	108.162.192.144^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	172.64.32.144^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	173.245.58.144^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
TXT	`google-gws-recovery-domain-verification=51666672`
TXT	`google-site-verification=8SIpZSBy81jijVl-k6sMxJi-e8Fg8II4u7tb7YA5Oz4`
TXT	`v=spf1 include:zoho.com ~all`
SOA	`darwin.ns.cloudflare.com`dns@cloudflare.com serial=2399233462

`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=1774825342

Same first word

coursesmba.com

Similar names

bamcourses.com

ebamcursos.com

abmcourses.com

mbacourses.com

cambrousse.com

DNS History

21 records (4 active, 17 former)

○NS10.sucuridns.com2016-03-26 → 2017-08-16 · 5 obs

○ 2015-12-12 15:48:56
● 2016-03-26 23:55:18
● 2017-08-16 09:47:26
○ 2026-03-27 19:17:56
○ 2026-03-29 23:25:42

○NS11.sucuridns.com2016-03-26 → 2017-08-16 · 5 obs

○ 2015-12-12 15:48:56
● 2016-03-26 23:55:18
● 2017-08-16 09:47:26
○ 2026-03-27 19:17:56
○ 2026-03-29 23:25:42

○NS13.sucuridns.com2016-03-26 → 2017-08-16 · 5 obs

○ 2015-12-12 15:48:56
● 2016-03-26 23:55:18
● 2017-08-16 09:47:26
○ 2026-03-27 19:17:56
○ 2026-03-29 23:25:42

○NS15.sucuridns.com2016-03-26 → 2017-08-16 · 5 obs

○ 2015-12-12 15:48:56
● 2016-03-26 23:55:18
● 2017-08-16 09:47:26
○ 2026-03-27 19:17:56
○ 2026-03-29 23:25:42

○NS17.sucuridns.com2016-03-26 → 2017-08-16 · 5 obs

○ 2015-12-12 15:48:56
● 2016-03-26 23:55:18
● 2017-08-16 09:47:26
○ 2026-03-27 19:17:56
○ 2026-03-29 23:25:42

●NSdarwin.ns.cloudflare.com2026-03-27 → 2026-03-29 · 3 obs

○ 2017-08-16 09:47:26
● 2026-03-27 19:17:56
● 2026-03-29 23:25:42

○NSns1.yourhostingaccount.com2015-04-28 → 2015-12-12 · 4 obs

● 2015-04-28 21:50:06
● 2015-12-12 15:48:56
○ 2016-03-26 23:55:18
○ 2026-03-29 23:25:42

○NSns2.yourhostingaccount.com2015-04-28 → 2015-12-12 · 4 obs

● 2015-04-28 21:50:06
● 2015-12-12 15:48:56
○ 2016-03-26 23:55:18
○ 2026-03-29 23:25:42

●NSsara.ns.cloudflare.com2026-03-27 → 2026-03-29 · 3 obs

○ 2017-08-16 09:47:26
● 2026-03-27 19:17:56
● 2026-03-29 23:25:42

○MXalt1.aspmx.l.google.com2016-03-26 → 2017-08-16 · 5 obs

○ 2015-12-12 15:48:56
● 2016-03-26 23:55:18
● 2017-08-16 09:47:26
○ 2026-03-27 19:17:56
○ 2026-03-29 23:25:42

○MXalt2.aspmx.l.google.com2016-03-26 → 2017-08-16 · 5 obs

○ 2015-12-12 15:48:56
● 2016-03-26 23:55:18
● 2017-08-16 09:47:26
○ 2026-03-27 19:17:56
○ 2026-03-29 23:25:42

○MXalt3.aspmx.l.google.com2016-03-26 → 2017-08-16 · 5 obs

○ 2015-12-12 15:48:56
● 2016-03-26 23:55:18
● 2017-08-16 09:47:26
○ 2026-03-27 19:17:56
○ 2026-03-29 23:25:42

○MXalt4.aspmx.l.google.com2016-03-26 → 2017-08-16 · 5 obs

○ 2015-12-12 15:48:56
● 2016-03-26 23:55:18
● 2017-08-16 09:47:26
○ 2026-03-27 19:17:56
○ 2026-03-29 23:25:42

○MXaspmx.l.google.com2016-03-26 → 2017-08-16 · 5 obs

○ 2015-12-12 15:48:56
● 2016-03-26 23:55:18
● 2017-08-16 09:47:26
○ 2026-03-27 19:17:56
○ 2026-03-29 23:25:42

○MXmail.coursesmba.com2015-04-28 → 2015-04-28 · 3 obs

● 2015-04-28 21:50:06
○ 2015-10-14 23:36:54
○ 2026-03-29 23:25:42

○MXmx.zoho.com2015-10-14 → 2015-12-12 · 5 obs

○ 2015-04-28 21:50:06
● 2015-10-14 23:36:54
● 2015-12-12 15:48:56
○ 2016-03-26 23:55:18
○ 2026-03-29 23:25:42

○MXmx2.zoho.com2015-10-14 → 2015-12-12 · 5 obs

○ 2015-04-28 21:50:06
● 2015-10-14 23:36:54
● 2015-12-12 15:48:56
○ 2016-03-26 23:55:18
○ 2026-03-29 23:25:42

●MXsmtp.google.com2026-03-27 → 2026-03-29 · 3 obs

○ 2017-08-16 09:47:26
● 2026-03-27 19:17:56
● 2026-03-29 23:25:42

○A192.124.249.62015-12-12 → 2017-08-16 · 5 obs

○ 2015-10-14 23:36:54
● 2015-12-12 15:48:56
● 2017-08-16 09:47:26
○ 2026-03-27 19:17:56
○ 2026-03-29 23:25:42

○A198.154.240.752015-04-28 → 2015-10-14 · 4 obs

● 2015-04-28 21:50:06
● 2015-10-14 23:36:54
○ 2015-12-12 15:48:56
○ 2026-03-29 23:25:42

●A76.76.21.212026-03-27 → 2026-03-29 · 3 obs

○ 2017-08-16 09:47:26
● 2026-03-27 19:17:56
● 2026-03-29 23:25:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coursesmba.com	sara.ns.cloudflare.com, darwin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.151

NS records: sara.ns.cloudflare.com, darwin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursesmba.com (unsigned zone)

⏱️ Timing

Total: 111ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	2	`darwin.ns.cloudflare.com, sara.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	3	`google-gws-recovery-domain-verification=, google-site-verification=8SIpZSBy81jijVl...`
SOA	1	`darwin.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

coursesmba.com resolves to one IP number: 76.76.21.21.

Other host names, for instance trackingzoo.com, otobali.com, dewassendemaan.be, sync-code.com and bearswithoutnumber.com share IP numbers with coursesmba.com.

Name Servers

coursesmba.com's delegation uses two name servers: darwin.ns.cloudflare.com and sara.ns.cloudflare.com.

coursesmba.com uses the same name server setup as other domains, such as cargomen.com, topsale.info, arcfm.in, nutanprinters.com and gubbagroup.com.

coursesmba.com at least partially shares name servers with other domains, including dairytech-expo.ru, gaymatchmaker.mobi, cspcq.com, hostlp.com.br and phillybankrlawyer.com.

These name servers are often used with kia.ns.cloudflare.com and arushi.ns.cloudflare.com.

Host names with six IP numbers:

darwin.ns.cloudflare.com points to 2606:4700:58::adf5:3b97, 2803:f800:50::6ca2:c197, 2a06:98c1:50::ac40:2197, 108.162.193.151, 172.64.33.151 and 173.245.59.151.

sara.ns.cloudflare.com points to 2606:4700:50::adf5:3a90, 2803:f800:50::6ca2:c090, 2a06:98c1:50::ac40:2090, 108.162.192.144, 172.64.32.144 and 173.245.58.144.

Mail Servers

A single mail server handles coursesmba.com, smtp.google.com.

coursesmba.com shares the same mail server setup as other domains, for instance heins.it, mazii.pl, acesvcs.com, tartine.com.tw and sermar.mx.

coursesmba.com shares at least some mail servers with other domains, for example expertrans-ma.com, yaryleetechnologies.com, sesmedical.com.br, americansports.com and thecryptoape.com.

These mail servers are commonly used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Hostname smtp.google.com points to nine IP numbers: 2607:f8b0:4004:c17::1a, 2607:f8b0:4004:c17::1b, 2607:f8b0:4004:c1b::1a, 2607:f8b0:4004:c1b::1b, 142.251.16.26, 142.251.16.27, 142.251.163.26, 142.251.163.27 and 142.251.167.26.

coursesmba.com - robtex.com

coursesmba.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`coursesmba.com`

`com`