`karvend.courses`

DNSSEC	⚠️ Not signed
A	201.78.128.186^{🇧🇷 Vtal201.78.128.0/18}
NS	`simon.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3be8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`simon.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`simon.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`simon.ns.cloudflare.com`
		A	108.162.193.232^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`simon.ns.cloudflare.com`
		A	172.64.33.232^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`simon.ns.cloudflare.com`
		A	173.245.59.232^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`simon.ns.cloudflare.com`
NS	`zainab.ns.cloudflare.com`
		A	2606:4700:50::a29f:2695^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zainab.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c295^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zainab.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2295^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zainab.ns.cloudflare.com`
		A	108.162.194.149^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.38.149^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.149^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`simon.ns.cloudflare.com`dns@cloudflare.com serial=2410647494

`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=1785383942

⚠️ On DNS blocklist: tif

Same first word

karvend.com

karvend.courses

Similar names

DNS History

4 records (3 active, 1 former)

●NSsimon.ns.cloudflare.com2026-07-27 → 2026-07-30 · 2 obs

● 2026-07-27 18:17:58
● 2026-07-30 04:52:16

●NSzainab.ns.cloudflare.com2026-07-27 → 2026-07-30 · 2 obs

● 2026-07-27 18:17:58
● 2026-07-30 04:52:16

●A201.78.128.1862026-07-29 → 2026-07-30 · 3 obs

○ 2026-07-27 18:17:58
● 2026-07-29 15:00:26
● 2026-07-30 04:52:16

○A94.154.172.852026-07-27 → 2026-07-27 · 3 obs

● 2026-07-27 18:17:58
○ 2026-07-29 15:00:26
○ 2026-07-30 04:52:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
courses	a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses...	12 records
karvend.courses	simon.ns.cloudflare.com, zainab.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.232

NS records: simon.ns.cloudflare.com, zainab.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for karvend.courses (unsigned zone)

⏱️ Timing

Total: 471ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`201.78.128.186`
NS	2	`simon.ns.cloudflare.com, zainab.ns.cloudflare.com`
SOA	1	`simon.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

karvend.courses has exactly one IP address — 201.78.128.186.

klimbat.com, falstor.study, technoline24.digital plus two other host names have IP numbers in common with karvend.courses.

Name Servers

karvend.courses is delegated to two name servers: simon.ns.cloudflare.com and zainab.ns.cloudflare.com.

The name server configuration of karvend.courses is shared with other domains, for instance zelmarn.click, chronospheralix.com, plambex.com and two others.

At least some of karvend.courses's name servers are shared with other domains, for example 5466888.com, tatbebnova.digital, el-paso.info and two more.

It is common for these name servers to be used in conjunction with the name servers henry.ns.cloudflare.com, elias.ns.cloudflare.com and laylah.ns.cloudflare.com.

Hosts with 6 IP addresses each:

simon.ns.cloudflare.com resolves to 108.162.193.232, 172.64.33.232, 173.245.59.232 and 3 other IP addresses.

zainab.ns.cloudflare.com resolves to 108.162.194.149, 162.159.38.149, 172.64.34.149 and 3 other IP addresses.

karvend.courses - robtex.com

karvend.courses

courses