courseau.com - dns.ninja

`courseau.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:24f9^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:c99c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.36.249^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.201.156^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bella.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bella.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bella.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bella.ns.cloudflare.com`
		A	108.162.192.74^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bella.ns.cloudflare.com`
		A	172.64.32.74^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bella.ns.cloudflare.com`
		A	173.245.58.74^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bella.ns.cloudflare.com`
NS	`cleo.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b59^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c159^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cleo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2159^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cleo.ns.cloudflare.com`
		A	108.162.193.89^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
		A	172.64.33.89^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
		A	173.245.59.89^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cleo.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.36.249, 172.67.201.156
		IPv6 hints	2606:4700:3034::6815:24f9, 2606:4700:3035::ac43:c99c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=42, name=cloudflare-ech.com
SOA	`bella.ns.cloudflare.com`dns@cloudflare.com serial=2411794028

`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=1786639389

Same first word

courseau.com

Similar names

ourcause.ca

raosucue.com

ourcause.site

aureousc.beer

acerusuo.com

ecosurau.org

uasource.com

DNS History

16 records (6 active, 10 former)

●NSbella.ns.cloudflare.com2026-03-17 → 2026-08-13 · 3 obs

○ 2015-11-08 03:33:14
● 2026-03-17 00:01:34
● 2026-08-13 16:54:20

●NScleo.ns.cloudflare.com2026-03-17 → 2026-08-13 · 3 obs

○ 2015-11-08 03:33:14
● 2026-03-17 00:01:34
● 2026-08-13 16:54:20

○NSns31.domaincontrol.com2008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 07:00:54
○ 2015-11-08 03:33:14
○ 2026-08-13 16:54:20

○NSns32.domaincontrol.com2008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 07:00:54
○ 2015-11-08 03:33:14
○ 2026-08-13 16:54:20

○MXmailstore1.secureserver.net2008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 07:00:54
○ 2015-11-08 03:33:14
○ 2026-08-13 16:54:20

○MXsmtp.secureserver.net2008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 07:00:54
○ 2015-11-08 03:33:14
○ 2026-08-13 16:54:20

●A104.21.36.2492026-03-17 → 2026-08-13 · 5 obs

○ 2015-11-08 03:33:14
● 2026-03-17 00:01:34
● 2026-06-15 13:17:14
○ 2026-06-19 07:52:28
● 2026-08-13 16:54:20

●A172.67.201.1562026-03-17 → 2026-08-13 · 5 obs

○ 2015-11-08 03:33:14
● 2026-03-17 00:01:34
● 2026-06-15 13:17:14
○ 2026-06-19 07:52:28
● 2026-08-13 16:54:20

○A188.114.96.02026-06-19 → 2026-06-19 · 3 obs

○ 2026-06-15 13:17:14
● 2026-06-19 07:52:28
○ 2026-08-13 16:54:20

○A188.114.97.02026-06-19 → 2026-06-19 · 3 obs

○ 2026-06-15 13:17:14
● 2026-06-19 07:52:28
○ 2026-08-13 16:54:20

●A2606:4700:3034::6815:24f92026-08-13 → 2026-08-13 · 2 obs

○ 2026-06-19 07:52:28
● 2026-08-13 16:54:20

○A2606:4700:3035::6815:24f92026-03-17 → 2026-06-15 · 5 obs

○ 2015-11-08 03:33:14
● 2026-03-17 00:01:34
● 2026-06-15 13:17:14
○ 2026-06-19 07:52:28
○ 2026-08-13 16:54:20

●A2606:4700:3035::ac43:c99c2026-03-17 → 2026-08-13 · 5 obs

○ 2015-11-08 03:33:14
● 2026-03-17 00:01:34
● 2026-06-15 13:17:14
○ 2026-06-19 07:52:28
● 2026-08-13 16:54:20

○A2a06:98c1:3120::2026-06-19 → 2026-06-19 · 3 obs

○ 2026-06-15 13:17:14
● 2026-06-19 07:52:28
○ 2026-08-13 16:54:20

○A2a06:98c1:3121::2026-06-19 → 2026-06-19 · 3 obs

○ 2026-06-15 13:17:14
● 2026-06-19 07:52:28
○ 2026-08-13 16:54:20

○A68.178.232.1002008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 07:00:54
○ 2015-11-08 03:33:14
○ 2026-08-13 16:54:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
courseau.com	bella.ns.cloudflare.com, cleo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.89

NS records: bella.ns.cloudflare.com, cleo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courseau.com (unsigned zone)

⏱️ Timing

Total: 133ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.201.156, 104.21.36.249`
AAAA	2	`2606:4700:3035::ac43:c99c, 2606:4700:3034::6815:24f9`
NS	2	`bella.ns.cloudflare.com, cleo.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bella.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

courseau.com directs to four IP numbers, which are 104.21.36.249, 172.67.201.156, 2606:4700:3034::6815:24f9 and 2606:4700:3035::ac43:c99c.

quochung.cyou, jdzylxh.com, buzgs.icu.cdn.cloudflare.net and two other host names share IP numbers with courseau.com.

Name Servers

courseau.com is delegated to two name servers: bella.ns.cloudflare.com and cleo.ns.cloudflare.com.

courseau.com uses the same name servers as several other domains — among them drillingmaps.com, gaivip.net, more.ai and two more.

At least some of courseau.com's name servers are shared with other domains, for example csaw.at, aku-abv6.top, linhingaw.com and two more.

These name servers tend to be deployed in combination with the name servers dion.ns.cloudflare.com and jose.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

bella.ns.cloudflare.com resolves to 108.162.192.74, 172.64.32.74, 173.245.58.74 and 3 other IP addresses.

cleo.ns.cloudflare.com resolves to 108.162.193.89, 172.64.33.89, 173.245.59.89 and 3 other IP addresses.