`bunkeringlean.courses`

DNSSEC	⚠️ Not signed
A	104.21.48.19^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.176.4^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ada.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a36^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c036^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ada.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2036^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ada.ns.cloudflare.com`
		A	108.162.192.54^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	172.64.32.54^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	173.245.58.54^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
NS	`rommy.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c14^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rommy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c314^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rommy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2314^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rommy.ns.cloudflare.com`
		A	108.162.195.20^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.44.20^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.35.20^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.48.19, 172.67.176.4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com
SOA	`ada.ns.cloudflare.com`dns@cloudflare.com serial=2409697225

`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=1785415467

⚠️ On DNS blocklist: tif

Subdomains

www.bunkeringlean.courses

Same first word

bunkeringlean.courses

DNS History

4 records (4 active, 0 former)

●NSada.ns.cloudflare.com2026-05-23 → 2026-07-30 · 2 obs

● 2026-05-23 06:24:12
● 2026-07-30 13:20:48

●NSrommy.ns.cloudflare.com2026-05-23 → 2026-07-30 · 2 obs

● 2026-05-23 06:24:12
● 2026-07-30 13:20:48

●A104.21.48.192026-05-23 → 2026-07-30 · 2 obs

● 2026-05-23 06:24:12
● 2026-07-30 13:20:48

●A172.67.176.42026-05-23 → 2026-07-30 · 2 obs

● 2026-05-23 06:24:12
● 2026-07-30 13:20:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
courses	b.nic.courses, x.nic.courses, a.nic.courses, y.nic.courses...	12 records
bunkeringlean.courses	ada.ns.cloudflare.com, rommy.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.54

NS records: ada.ns.cloudflare.com, rommy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bunkeringlean.courses (unsigned zone)

⏱️ Timing

Total: 551ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.48.19, 172.67.176.4`
NS	2	`ada.ns.cloudflare.com, rommy.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ada.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (z.nic.courses, y.nic.courses, x.nic.courses...)

Analysis

Hierarchy

bunkeringlean.courses is a parent domain of www.bunkeringlean.courses.

IP Addresses

bunkeringlean.courses directs to two IP numbers, 104.21.48.19 and 172.67.176.4

ong-huat.jonitogel1st.com, 0705f53ccb5c.0705f53ccb5c.0705f53ccb5c.0705f53ccb5c.0705f53ccb5c.0705f53ccb5c.0705f53ccb5c.0705f53ccb5c.0705f53ccb5c.0705f53ccb5c.0705f53ccb5c.hsbr.pl, gbyasociados.com.ar and two other host names share IP numbers with bunkeringlean.courses.

Name Servers

Two name servers handle the delegation for bunkeringlean.courses: ada.ns.cloudflare.com and rommy.ns.cloudflare.com.

bunkeringlean.courses uses the same name servers as several other domains — among them additionsmonokurlibertine.courses, brass-jairan-life-saving.courses, kakhetiniansking-murder.courses and two more.

bunkeringlean.courses shares at least some of its name servers with other domains, including filewave.com, davidsonshub.co.uk, qvbgz3pjzu.cyou and two others.

These name servers are frequently seen alongside the name servers syeef.ns.cloudflare.com, nova.ns.cloudflare.com, jade.ns.cloudflare.com and pranab.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

ada.ns.cloudflare.com resolves to 108.162.192.54, 172.64.32.54 and 173.245.58.54 among others, with 3 other IP addresses in total.

rommy.ns.cloudflare.com resolves to 108.162.195.20, 162.159.44.20 and 172.64.35.20 among others, with 3 other IP addresses in total.

bunkeringlean.courses - robtex.com