`kvmvefoo.courses`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:218e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:91ce^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.33.142^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.145.206^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`piper.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2623^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piper.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c223^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`piper.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2223^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`piper.ns.cloudflare.com`
		A	108.162.194.35^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piper.ns.cloudflare.com`
		A	162.159.38.35^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piper.ns.cloudflare.com`
		A	172.64.34.35^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piper.ns.cloudflare.com`
NS	`ruben.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c47^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruben.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c347^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ruben.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2347^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ruben.ns.cloudflare.com`
		A	108.162.195.71^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruben.ns.cloudflare.com`
		A	162.159.44.71^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruben.ns.cloudflare.com`
		A	172.64.35.71^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruben.ns.cloudflare.com`
TXT	`google-site-verification=_jRlo_BFs_f8NCsCTZxQca2Mvy0YFZuhM1_iIXLc8YQ`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.33.142, 172.67.145.206
		IPv6	2606:4700:3031::6815:218e, 2606:4700:3031::ac43:91ce
SOA	`piper.ns.cloudflare.com`dns@cloudflare.com serial=2396947139

`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=1774399781

Same first word

kvmvefoo.courses

DNS History

10 records (6 active, 4 former)

●NSpiper.ns.cloudflare.com2026-03-16 → 2026-03-25 · 2 obs

● 2026-03-16 09:25:34
● 2026-03-25 01:16:48

●NSruben.ns.cloudflare.com2026-03-16 → 2026-03-25 · 2 obs

● 2026-03-16 09:25:34
● 2026-03-25 01:16:48

●A104.21.33.1422026-03-16 → 2026-03-25 · 4 obs

● 2026-03-16 09:25:34
● 2026-03-16 15:47:12
○ 2026-03-19 09:00:42
● 2026-03-25 01:16:48

●A172.67.145.2062026-03-16 → 2026-03-25 · 4 obs

● 2026-03-16 09:25:34
● 2026-03-16 15:47:12
○ 2026-03-19 09:00:42
● 2026-03-25 01:16:48

○A188.114.96.02026-03-19 → 2026-03-19 · 3 obs

○ 2026-03-16 15:47:12
● 2026-03-19 09:00:42
○ 2026-03-25 01:16:48

○A188.114.97.02026-03-19 → 2026-03-19 · 3 obs

○ 2026-03-16 15:47:12
● 2026-03-19 09:00:42
○ 2026-03-25 01:16:48

●A2606:4700:3031::6815:218e2026-03-16 → 2026-03-25 · 4 obs

● 2026-03-16 09:25:34
● 2026-03-16 15:47:12
○ 2026-03-19 09:00:42
● 2026-03-25 01:16:48

●A2606:4700:3031::ac43:91ce2026-03-16 → 2026-03-25 · 4 obs

● 2026-03-16 09:25:34
● 2026-03-16 15:47:12
○ 2026-03-19 09:00:42
● 2026-03-25 01:16:48

○A2a06:98c1:3120::2026-03-19 → 2026-03-19 · 3 obs

○ 2026-03-16 15:47:12
● 2026-03-19 09:00:42
○ 2026-03-25 01:16:48

○A2a06:98c1:3121::2026-03-19 → 2026-03-19 · 3 obs

○ 2026-03-16 15:47:12
● 2026-03-19 09:00:42
○ 2026-03-25 01:16:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
courses	a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses...	12 records
kvmvefoo.courses	piper.ns.cloudflare.com, ruben.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.35

NS records: piper.ns.cloudflare.com, ruben.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kvmvefoo.courses (unsigned zone)

⏱️ Timing

Total: 616ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.145.206, 104.21.33.142`
AAAA	2	`2606:4700:3031::ac43:91ce, 2606:4700:3031::6815:218e`
NS	2	`piper.ns.cloudflare.com, ruben.ns.cloudflare.com`
TXT	1	`google-site-verification=_jRlo_BFs_f8NCs`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`piper.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

kvmvefoo.courses maps to four IP numbers: 2606:4700:3031::6815:218e, 2606:4700:3031::ac43:91ce, 104.21.33.142 and 172.67.145.206.

Other host names, for instance www.neverlandshop.nl, fatstrapmax.live, ingelicht.be, perf.qmart.co.zm and urist-profexpert.ru share IP numbers with kvmvefoo.courses.

Name Servers

Two name servers piper.ns.cloudflare.com and ruben.ns.cloudflare.com are delegated to kvmvefoo.courses.

kvmvefoo.courses uses the same name server configuration as other domains, such as lifehome.vn, hi1.vn, attribution-5626.pro, hdcdn.site and tikmalat.fun.

kvmvefoo.courses at least partially shares name servers with other domains such as actionmaison.ca, 315216.com, aventure-ecotourisme.qc.ca, jxsa.net and tehnika-bu.ru.

These name servers are commonly used with curt.ns.cloudflare.com and ezra.ns.cloudflare.com.

Host names with six IP numbers: Host name piper.ns.cloudflare.com points to 2606:4700:50::a29f:2623, 2803:f800:50::6ca2:c223, 2a06:98c1:50::ac40:2223, 108.162.194.35, 162.159.38.35 and 172.64.34.35; host name ruben.ns.cloudflare.com points to 2606:4700:58::a29f:2c47, 2803:f800:50::6ca2:c347, 2a06:98c1:50::ac40:2347, 108.162.195.71, 162.159.44.71 and 172.64.35.71.

kvmvefoo.courses - robtex.com