`macau303.courses`

DNSSEC	⚠️ Not signed
A	92.243.74.2^{🇷🇺 CLOUDFLARESPECTRUM92.243.74.0/24}
A	92.243.74.3^{🇷🇺 CLOUDFLARESPECTRUM92.243.74.0/24}
NS	`alberto.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c12^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c312^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alberto.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2312^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alberto.ns.cloudflare.com`
		A	108.162.195.18^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	162.159.44.18^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	172.64.35.18^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
NS	`nelly.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nelly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nelly.ns.cloudflare.com`
		A	108.162.192.209^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	172.64.32.209^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	173.245.58.209^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
SOA	`alberto.ns.cloudflare.com`dns@cloudflare.com serial=2403513108

`courses`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.courses` ⭐
	NS	`b.nic.courses`
	NS	`c.nic.courses`
	NS	`x.nic.courses`
	NS	`y.nic.courses`
	NS	`z.nic.courses`
	SOA	`a.nic.courses`admin@tldns.godaddy serial=1780343171

Same first word

macau303.center

macau303.courses

macau303.com.mx

macau303.com

macau303.wixsite.com

macau303.support

DNS History

4 records (4 active, 0 former)

●NSalberto.ns.cloudflare.com2026-05-15 → 2026-06-01 · 2 obs

● 2026-05-15 08:42:22
● 2026-06-01 22:26:26

●NSnelly.ns.cloudflare.com2026-05-15 → 2026-06-01 · 2 obs

● 2026-05-15 08:42:22
● 2026-06-01 22:26:26

●A92.243.74.22026-05-15 → 2026-06-01 · 2 obs

● 2026-05-15 08:42:22
● 2026-06-01 22:26:26

●A92.243.74.32026-05-15 → 2026-06-01 · 2 obs

● 2026-05-15 08:42:22
● 2026-06-01 22:26:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
courses	a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses...	12 records
macau303.courses	nelly.ns.cloudflare.com, alberto.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.18

NS records: nelly.ns.cloudflare.com, alberto.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for macau303.courses (unsigned zone)

⏱️ Timing

Total: 359ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`92.243.74.3, 92.243.74.2`
NS	2	`alberto.ns.cloudflare.com, nelly.ns.cloudflare.com`
SOA	1	`alberto.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.courses, b.nic.courses, c.nic.courses...)

Analysis

IP Addresses

macau303.courses points to two IP numbers: 92.243.74.2 and 92.243.74.3.

tarungup.xyz, situsslot777-x9m1.store, tebaknomor.win plus two other host names have IP numbers in common with macau303.courses.

Name Servers

macau303.courses is served by two delegated name servers, alberto.ns.cloudflare.com and nelly.ns.cloudflare.com.

The name server configuration of macau303.courses is shared with other domains, for instance alterjoin.com, panentogel.fit, indratogel82806.com and two others.

macau303.courses has at least partial name server overlap with other domains, such as hikarikesho.com, 333caipiaoshoujibanxiazai.com.cn, keyizhengqianyouxi.com.cn and two others.

It is common to find these name servers paired with the name servers malavika.ns.cloudflare.com.

Hosts with 6 IP addresses each:

alberto.ns.cloudflare.com has IP addresses 108.162.195.18, 162.159.44.18, 172.64.35.18 plus three more.

nelly.ns.cloudflare.com has IP addresses 108.162.192.209, 172.64.32.209, 173.245.58.209 plus three more.

macau303.courses - robtex.com