`ecoursefree.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:8bef^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:411c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.28^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.239^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mack.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c25^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c325^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mack.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2325^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mack.ns.cloudflare.com`
		A	108.162.195.37^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	162.159.44.37^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	172.64.35.37^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
NS	`rosalyn.ns.cloudflare.com`
		A	2606:4700:50::a29f:263b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c23b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rosalyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:223b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rosalyn.ns.cloudflare.com`
		A	108.162.194.59^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalyn.ns.cloudflare.com`
		A	162.159.38.59^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalyn.ns.cloudflare.com`
		A	172.64.34.59^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosalyn.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.65.28, 172.67.139.239
		IPv6	2606:4700:3033::ac43:8bef, 2606:4700:3035::6815:411c
SOA	`mack.ns.cloudflare.com`dns@cloudflare.com serial=2396974676

`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

Same first word

ecoursefree.com

DNS History

18 records (6 active, 12 former)

○NSdns1.registrar-servers.com2018-08-25 → 2018-08-25 · 3 obs

● 2018-08-25 05:22:30
○ 2026-03-13 13:56:44
○ 2026-03-13 13:56:46

○NSdns2.registrar-servers.com2018-08-25 → 2018-08-25 · 3 obs

● 2018-08-25 05:22:30
○ 2026-03-13 13:56:44
○ 2026-03-13 13:56:46

●NSmack.ns.cloudflare.com2026-03-13 → 2026-03-13 · 3 obs

○ 2018-08-25 05:22:30
● 2026-03-13 13:56:44
● 2026-03-13 13:56:46

●NSrosalyn.ns.cloudflare.com2026-03-13 → 2026-03-13 · 3 obs

○ 2018-08-25 05:22:30
● 2026-03-13 13:56:44
● 2026-03-13 13:56:46

○MXeforward1.registrar-servers.com2018-08-25 → 2018-08-25 · 3 obs

● 2018-08-25 05:22:30
○ 2026-03-13 13:56:44
○ 2026-03-13 13:56:46

○MXeforward2.registrar-servers.com2018-08-25 → 2018-08-25 · 3 obs

● 2018-08-25 05:22:30
○ 2026-03-13 13:56:44
○ 2026-03-13 13:56:46

○MXeforward3.registrar-servers.com2018-08-25 → 2018-08-25 · 3 obs

● 2018-08-25 05:22:30
○ 2026-03-13 13:56:44
○ 2026-03-13 13:56:46

○MXeforward4.registrar-servers.com2018-08-25 → 2018-08-25 · 3 obs

● 2018-08-25 05:22:30
○ 2026-03-13 13:56:44
○ 2026-03-13 13:56:46

○MXeforward5.registrar-servers.com2018-08-25 → 2018-08-25 · 3 obs

● 2018-08-25 05:22:30
○ 2026-03-13 13:56:44
○ 2026-03-13 13:56:46

●A104.21.65.282026-03-13 → 2026-03-13 · 3 obs

○ 2018-08-25 05:22:30
● 2026-03-13 13:56:44
● 2026-03-13 13:56:46

●A172.67.139.2392026-03-13 → 2026-03-13 · 3 obs

○ 2018-08-25 05:22:30
● 2026-03-13 13:56:44
● 2026-03-13 13:56:46

○A188.114.96.02026-03-13 → 2026-03-13 · 2 obs

○ 2026-03-13 13:56:44
○ 2026-03-13 13:56:46

○A188.114.97.02026-03-13 → 2026-03-13 · 2 obs

○ 2026-03-13 13:56:44
○ 2026-03-13 13:56:46

○A192.64.119.1952018-08-25 → 2018-08-25 · 3 obs

● 2018-08-25 05:22:30
○ 2026-03-13 13:56:44
○ 2026-03-13 13:56:46

●A2606:4700:3033::ac43:8bef2026-03-13 → 2026-03-13 · 3 obs

○ 2018-08-25 05:22:30
● 2026-03-13 13:56:44
● 2026-03-13 13:56:46

●A2606:4700:3035::6815:411c2026-03-13 → 2026-03-13 · 3 obs

○ 2018-08-25 05:22:30
● 2026-03-13 13:56:44
● 2026-03-13 13:56:46

○A2a06:98c1:3120::2026-03-13 → 2026-03-13 · 2 obs

○ 2026-03-13 13:56:44
○ 2026-03-13 13:56:46

○A2a06:98c1:3121::2026-03-13 → 2026-03-13 · 2 obs

○ 2026-03-13 13:56:44
○ 2026-03-13 13:56:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ecoursefree.com	rosalyn.ns.cloudflare.com, mack.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.195.37

NS records: rosalyn.ns.cloudflare.com, mack.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ecoursefree.com (unsigned zone)

⏱️ Timing

Total: 555ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.65.28, 172.67.139.239`
AAAA	2	`2606:4700:3035::6815:411c, 2606:4700:3033::ac43:8bef`
NS	2	`mack.ns.cloudflare.com, rosalyn.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mack.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ecoursefree.com maps to four IP numbers: 2606:4700:3033::ac43:8bef, 2606:4700:3035::6815:411c, 104.21.65.28 and 172.67.139.239.

Other host names such as mx.virtualcosmos.ru, ht47.com, mail.mylifesports.net, tor-market-darknet.link and 76b8ebb97bfd.greenhorizonenergy.eu share IPs with ecoursefree.com.

Name Servers

Two name servers mack.ns.cloudflare.com and rosalyn.ns.cloudflare.com handle the delegation for ecoursefree.com.

ecoursefree.com shares the same name server setup as other domains, for example ad-fill.com, neonscripts.com, hesfintech.dev, 4ydx.com and echonverforrinho.info.

ecoursefree.com at least partially shares name servers with other domains, for example monsmimarlik.com, sudathi.com, clubassisttools.com.au, meadhosting.com and oralsinxanxere.com.br.

these name servers are commonly used alongside lovisa.ns.cloudflare.com name servers.

Host names with six IP numbers:

mack.ns.cloudflare.com points to 2606:4700:58::a29f:2c25, 2803:f800:50::6ca2:c325, 2a06:98c1:50::ac40:2325, 108.162.195.37, 162.159.44.37 and 172.64.35.37.

rosalyn.ns.cloudflare.com points to 2606:4700:50::a29f:263b, 2803:f800:50::6ca2:c23b, 2a06:98c1:50::ac40:223b, 108.162.194.59, 162.159.38.59 and 172.64.34.59.

ecoursefree.com - robtex.com

ecoursefree.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

`ecoursefree.com`

`com`