coursecloud.org - dns.ninja

`coursecloud.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:f24^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a14d^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.36^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.161.77^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brenda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brenda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brenda.ns.cloudflare.com`
		A	108.162.192.77^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	172.64.32.77^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	173.245.58.77^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
NS	`sri.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bea^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sri.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ea^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sri.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ea^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sri.ns.cloudflare.com`
		A	108.162.193.234^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sri.ns.cloudflare.com`
		A	172.64.33.234^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sri.ns.cloudflare.com`
		A	173.245.59.234^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sri.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c27::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f27.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`google-site-verification=6StYPPV1SOFQtlEgnK9wmwsjap5Tj20Eiv0DnB8vJfI`
TXT	`v=spf1 include:_spf.mlsend.com include:_spf.google.com include:spf.mandrillap...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.36, 172.67.161.77
		IPv6 hints	2606:4700:3034::6815:f24, 2606:4700:3034::ac43:a14d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com
SOA	`brenda.ns.cloudflare.com`dns@cloudflare.com serial=2408467909

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1783928323

Same first word

coursecloud.co

coursecloud.com

coursecloud.org

coursecloud.net

Similar names

DNS History

13 records (11 active, 2 former)

●NSbrenda.ns.cloudflare.com2026-02-18 → 2026-07-13 · 2 obs

● 2026-02-18 09:41:20
● 2026-07-13 08:10:28

●NSsri.ns.cloudflare.com2026-02-18 → 2026-07-13 · 2 obs

● 2026-02-18 09:41:20
● 2026-07-13 08:10:28

●MXalt1.aspmx.l.google.com2026-02-18 → 2026-07-13 · 2 obs

● 2026-02-18 09:41:20
● 2026-07-13 08:10:28

●MXalt2.aspmx.l.google.com2026-02-18 → 2026-07-13 · 2 obs

● 2026-02-18 09:41:20
● 2026-07-13 08:10:28

●MXaspmx.l.google.com2026-02-18 → 2026-07-13 · 2 obs

● 2026-02-18 09:41:20
● 2026-07-13 08:10:28

●MXaspmx2.googlemail.com2026-02-18 → 2026-07-13 · 2 obs

● 2026-02-18 09:41:20
● 2026-07-13 08:10:28

●MXaspmx3.googlemail.com2026-02-18 → 2026-07-13 · 2 obs

● 2026-02-18 09:41:20
● 2026-07-13 08:10:28

●A104.21.15.362026-07-05 → 2026-07-13 · 3 obs

○ 2026-04-29 13:16:34
● 2026-07-05 00:31:06
● 2026-07-13 08:10:28

○A141.193.213.202026-02-18 → 2026-04-29 · 4 obs

● 2026-02-18 09:41:20
● 2026-04-29 13:16:34
○ 2026-07-05 00:31:06
○ 2026-07-13 08:10:28

○A141.193.213.212026-02-18 → 2026-04-29 · 4 obs

● 2026-02-18 09:41:20
● 2026-04-29 13:16:34
○ 2026-07-05 00:31:06
○ 2026-07-13 08:10:28

●A172.67.161.772026-07-05 → 2026-07-13 · 3 obs

○ 2026-04-29 13:16:34
● 2026-07-05 00:31:06
● 2026-07-13 08:10:28

●A2606:4700:3034::6815:f242026-07-05 → 2026-07-13 · 3 obs

○ 2026-04-29 13:16:34
● 2026-07-05 00:31:06
● 2026-07-13 08:10:28

●A2606:4700:3034::ac43:a14d2026-07-05 → 2026-07-13 · 3 obs

○ 2026-04-29 13:16:34
● 2026-07-05 00:31:06
● 2026-07-13 08:10:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
coursecloud.org	brenda.ns.cloudflare.com, sri.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.234

NS records: brenda.ns.cloudflare.com, sri.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursecloud.org (unsigned zone)

⏱️ Timing

Total: 601ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.161.77, 104.21.15.36`
AAAA	2	`2606:4700:3034::ac43:a14d, 2606:4700:3034::6815:f24`
NS	2	`brenda.ns.cloudflare.com, sri.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	2	`google-site-verification=6StYPPV1SOFQtlE, v=spf1 include:_spf.mlsend.com include:_`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brenda.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

coursecloud.org points to the four IP addresses 104.21.15.36, 172.67.161.77, 2606:4700:3034::6815:f24 and 2606:4700:3034::ac43:a14d.

Additional host names — bpmestates.ie, daocracy.io, www.run2online.net and two others — share IP numbers with coursecloud.org.

Name Servers

coursecloud.org has two authoritative name servers — brenda.ns.cloudflare.com and sri.ns.cloudflare.com.

coursecloud.org shares its name server setup with other domains, including sethiainfra.com, zeankickoff2.com, hfonline.org and two others.

At least some of coursecloud.org's name servers are shared with other domains, for example themeaningoflife.tv, mp3juice.llc, bestfd.org and two more.

These name servers are often deployed together with the name servers hans.ns.cloudflare.com, ara.ns.cloudflare.com, paige.ns.cloudflare.com and leah.ns.cloudflare.com.

Host names with 6 IP numbers:

brenda.ns.cloudflare.com points to 108.162.192.77, 172.64.32.77, 173.245.58.77 and 3 other IP addresses.

sri.ns.cloudflare.com points to 108.162.193.234, 172.64.33.234, 173.245.59.234 and 3 other IP addresses.

Mail Servers

coursecloud.org has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

coursecloud.org shares mail servers — at least in part — with other domains, including chefslist.de, fashionwallpaper.co.uk, ns500698.ns500698.ns500698.ns500736.ns500698.ns500698.ns500698.ns500698.ns500698.ns500708.ns500708.ns500708.ns500698.ns500686.ns500652.ns500619.ns500619.trackreceptor.com and two others.

These mail servers are frequently used alongside mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt4.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

aspmx2.googlemail.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com resolves to 142.251.163.27 and 2607:f8b0:4004:c27::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.

The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 108.177.123.27 IP addresses.

The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 2a00:1450:400b:c02::1b IP addresses.

The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.26 IP addresses.