coursesfast.com - dns.ninja

`coursesfast.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1dfa^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:9616^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.29.250^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.22^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`igor.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c177^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`igor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2177^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`igor.ns.cloudflare.com`
		A	108.162.193.119^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	172.64.33.119^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	173.245.59.119^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
NS	`macy.ns.cloudflare.com`
		A	2606:4700:50::a29f:264e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c24e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`macy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:224e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`macy.ns.cloudflare.com`
		A	108.162.194.78^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
		A	162.159.38.78^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
		A	172.64.34.78^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
MX	`mx1.privateemail.com` ⭐
		A	162.255.118.7^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx1.privateemail.com`
MX	`mx2.privateemail.com` ⭐
		A	162.255.118.8^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx2.privateemail.com`
TXT	`v=spf1 include:spf.privateemail.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.29.250, 172.67.150.22
		IPv6 hints	2606:4700:3034::6815:1dfa, 2606:4700:3034::ac43:9616
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=51, name=cloudflare-ech.com
SOA	`igor.ns.cloudflare.com`dns@cloudflare.com serial=2410195511

`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=1785486242

Same first word

coursesfast.com

Similar names

fastsources.com

sourcesfast.com

DNS History

14 records (8 active, 6 former)

●NSigor.ns.cloudflare.com2026-02-18 → 2026-07-31 · 2 obs

● 2026-02-18 21:10:38
● 2026-07-31 08:50:00

●NSmacy.ns.cloudflare.com2026-02-18 → 2026-07-31 · 2 obs

● 2026-02-18 21:10:38
● 2026-07-31 08:50:00

●MXmx1.privateemail.com2026-02-18 → 2026-07-31 · 2 obs

● 2026-02-18 21:10:38
● 2026-07-31 08:50:00

●MXmx2.privateemail.com2026-02-18 → 2026-07-31 · 2 obs

● 2026-02-18 21:10:38
● 2026-07-31 08:50:00

●A104.21.29.2502026-02-18 → 2026-07-31 · 5 obs

● 2026-02-18 21:10:38
● 2026-05-22 18:59:24
○ 2026-06-04 06:16:58
● 2026-06-04 10:02:30
● 2026-07-31 08:50:00

●A172.67.150.222026-02-18 → 2026-07-31 · 5 obs

● 2026-02-18 21:10:38
● 2026-05-22 18:59:24
○ 2026-06-04 06:16:58
● 2026-06-04 10:02:30
● 2026-07-31 08:50:00

○A188.114.96.02026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-22 18:59:24
● 2026-06-04 06:16:58
○ 2026-06-04 10:02:30
○ 2026-07-31 08:50:00

○A188.114.97.02026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-22 18:59:24
● 2026-06-04 06:16:58
○ 2026-06-04 10:02:30
○ 2026-07-31 08:50:00

○A2606:4700:3032::ac43:96162026-02-18 → 2026-06-11 · 6 obs

● 2026-02-18 21:10:38
● 2026-05-22 18:59:24
○ 2026-06-04 06:16:58
● 2026-06-04 10:02:30
● 2026-06-11 22:07:58
○ 2026-07-31 08:50:00

●A2606:4700:3034::6815:1dfa2026-07-31 → 2026-07-31 · 2 obs

○ 2026-06-11 22:07:58
● 2026-07-31 08:50:00

●A2606:4700:3034::ac43:96162026-07-31 → 2026-07-31 · 2 obs

○ 2026-06-11 22:07:58
● 2026-07-31 08:50:00

○A2606:4700:3037::6815:1dfa2026-02-18 → 2026-06-11 · 6 obs

● 2026-02-18 21:10:38
● 2026-05-22 18:59:24
○ 2026-06-04 06:16:58
● 2026-06-04 10:02:30
● 2026-06-11 22:07:58
○ 2026-07-31 08:50:00

○A2a06:98c1:3120::2026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-22 18:59:24
● 2026-06-04 06:16:58
○ 2026-06-04 10:02:30
○ 2026-07-31 08:50:00

○A2a06:98c1:3121::2026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-22 18:59:24
● 2026-06-04 06:16:58
○ 2026-06-04 10:02:30
○ 2026-07-31 08:50:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
coursesfast.com	igor.ns.cloudflare.com, macy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.78

NS records: igor.ns.cloudflare.com, macy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursesfast.com (unsigned zone)

⏱️ Timing

Total: 126ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.150.22, 104.21.29.250`
AAAA	2	`2606:4700:3034::ac43:9616, 2606:4700:3034::6815:1dfa`
NS	2	`igor.ns.cloudflare.com, macy.ns.cloudflare.com`
MX	2	`mx1.privateemail.com (pri: 10), mx2.privateemail.com (pri: 10)`
TXT	1	`v=spf1 include:spf.privateemail.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`igor.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

coursesfast.com points to the four IP addresses 104.21.29.250, 172.67.150.22, 2606:4700:3034::6815:1dfa and 2606:4700:3034::ac43:9616.

forager.co.uk, getsuccess360.com, sorvigolova.net and two other host names share IP numbers with coursesfast.com.

Name Servers

DNS delegation for coursesfast.com points to two name servers: igor.ns.cloudflare.com and macy.ns.cloudflare.com.

coursesfast.com uses the same name servers as several other domains — among them entsurrey.com, digitalassistant.academy, solar.co.za and two more.

The name servers of coursesfast.com overlap at least partially with those of other domains — among them americanagingassociation.org, sisicessory.shop, sju.org.sa and two more.

These name servers commonly appear alongside the name servers sage.ns.cloudflare.com and eva.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

igor.ns.cloudflare.com has IP addresses 108.162.193.119, 172.64.33.119 and 173.245.59.119, plus 3 other.

macy.ns.cloudflare.com has IP addresses 108.162.194.78, 162.159.38.78 and 172.64.34.78, plus 3 other.

Mail Servers

Mail for coursesfast.com is handled by two mail servers — mx1.privateemail.com and mx2.privateemail.com.

coursesfast.com uses an identical mail server configuration to several other domains — among them xbelas.com, neonsign.ca, anguelov.net and two more.

coursesfast.com has mail servers in common with other domains — for example wiz.link, usenet.org and ioxbroker.com.

Both mx1.privateemail.com and mx2.privateemail.com have a single IP address each — mx1.privateemail.com resolves to 162.255.118.7 while mx2.privateemail.com resolves to 162.255.118.8.