coursetopia.net - dns.ninja

`coursetopia.net`

DNSSEC	⚠️ Not signed
A	2606:4700:7::60^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2a06:98c1:58::60^{🇺🇸 Cloudflare2a06:98c1:58::/48}
A	162.159.140.98^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	172.66.0.96^{🇺🇸 Cloudflare172.66.0.0/22 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.digitalocean.com` ⭐
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
MX	`mx2.zoho.com` ⭐
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 include:zohomail.com include:zoho.com include:amazonses.com ~all`
SOA	`ns1.digitalocean.com`hostmaster@coursetopia.net serial=0

`net`

	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=1785236212

Same first word

coursetopia.net

coursetopia.com

Similar names

autoprecios.com.mx

patiosource.com

autoprecios.com

DNS History

18 records (10 active, 8 former)

○NSns01.cashparking.com2018-09-09 → 2018-09-09 · 4 obs

○ 2017-01-04 11:16:14
● 2018-09-09 06:03:04
○ 2026-02-20 08:00:28
○ 2026-07-28 11:26:54

○NSns02.cashparking.com2018-09-09 → 2018-09-09 · 4 obs

○ 2017-01-04 11:16:14
● 2018-09-09 06:03:04
○ 2026-02-20 08:00:28
○ 2026-07-28 11:26:54

●NSns1.digitalocean.com2026-02-20 → 2026-07-28 · 3 obs

○ 2018-09-09 06:03:04
● 2026-02-20 08:00:28
● 2026-07-28 11:26:54

●NSns2.digitalocean.com2026-02-20 → 2026-07-28 · 3 obs

○ 2018-09-09 06:03:04
● 2026-02-20 08:00:28
● 2026-07-28 11:26:54

●NSns3.digitalocean.com2026-02-20 → 2026-07-28 · 3 obs

○ 2018-09-09 06:03:04
● 2026-02-20 08:00:28
● 2026-07-28 11:26:54

○NSns73.domaincontrol.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 11:16:14
○ 2018-09-09 06:03:04
○ 2026-07-28 11:26:54

○NSns74.domaincontrol.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 11:16:14
○ 2018-09-09 06:03:04
○ 2026-07-28 11:26:54

○MXmailstore1.secureserver.net2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 11:16:14
○ 2026-02-20 08:00:28
○ 2026-07-28 11:26:54

●MXmx.zoho.com2026-02-20 → 2026-07-28 · 3 obs

○ 2017-01-04 11:16:14
● 2026-02-20 08:00:28
● 2026-07-28 11:26:54

●MXmx2.zoho.com2026-02-20 → 2026-07-28 · 3 obs

○ 2017-01-04 11:16:14
● 2026-02-20 08:00:28
● 2026-07-28 11:26:54

●MXmx3.zoho.com2026-02-20 → 2026-07-28 · 3 obs

○ 2017-01-04 11:16:14
● 2026-02-20 08:00:28
● 2026-07-28 11:26:54

○MXsmtp.secureserver.net2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 11:16:14
○ 2026-02-20 08:00:28
○ 2026-07-28 11:26:54

●A162.159.140.982026-02-20 → 2026-07-28 · 3 obs

○ 2018-09-09 06:03:04
● 2026-02-20 08:00:28
● 2026-07-28 11:26:54

●A172.66.0.962026-02-20 → 2026-07-28 · 3 obs

○ 2018-09-09 06:03:04
● 2026-02-20 08:00:28
● 2026-07-28 11:26:54

○A184.168.221.962018-09-09 → 2018-09-09 · 4 obs

○ 2017-01-04 11:16:14
● 2018-09-09 06:03:04
○ 2026-02-20 08:00:28
○ 2026-07-28 11:26:54

●A2606:4700:7::602026-02-20 → 2026-07-28 · 3 obs

○ 2018-09-09 06:03:04
● 2026-02-20 08:00:28
● 2026-07-28 11:26:54

●A2a06:98c1:58::602026-02-20 → 2026-07-28 · 3 obs

○ 2018-09-09 06:03:04
● 2026-02-20 08:00:28
● 2026-07-28 11:26:54

○A50.63.202.452017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 11:16:14
○ 2026-02-20 08:00:28
○ 2026-07-28 11:26:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net...	-
coursetopia.net	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	-

✅ Authoritative Response

Server:172.64.49.209

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursetopia.net (unsigned zone)

⏱️ Timing

Total: 740ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.0.96, 162.159.140.98`
AAAA	2	`2606:4700:7::60, 2a06:98c1:58::60`
NS	3	`ns2.digitalocean.com, ns1.digitalocean.com...`
MX	3	`mx.zoho.com (pri: 10), mx3.zoho.com (pri: 50)...`
TXT	1	`v=spf1 include:zohomail.com include:zoho`
SOA	1	`ns1.digitalocean.com hostmaster.courseto`

Analysis

IP Addresses

coursetopia.net resolves to four IP addresses: 162.159.140.98, 172.66.0.96, 2606:4700:7::60 and 2a06:98c1:58::60.

whiteknuckle.net, shipguard.app, mywconline.com and two other host names share IP numbers with coursetopia.net.

Name Servers

Three name servers are authoritative for coursetopia.net: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

coursetopia.net has at least partial name server overlap with other domains, such as 35.93.142.in-addr.arpa, diplomsa-markets.com, peacevolution.org and two others.

ns1.digitalocean.com resolves to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com resolves to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com resolves to 172.64.49.209 and 2606:4700:52::ac40:31d1. All three hostnames point to two IP numbers each.

Mail Servers

coursetopia.net has three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

coursetopia.net has at least partial mail server overlap with other domains such as sevamart.com, ctrlaltelite.se, proeestagios.com.br and two more.

mx2.zoho.com resolves to 136.143.183.44. Notably, mx3.zoho.com and mx.zoho.com share the same IP address, 204.141.43.44.

These two host names — mx3.zoho.com and mx.zoho.com — each point to 204.141.43.44 IP addresses.