🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`codingbasics.courses`

DNSSEC	⚠️ Not signed
NS	`robert.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c8c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c38c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`robert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:238c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`robert.ns.cloudflare.com`
		A	108.162.195.140^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robert.ns.cloudflare.com`
		A	162.159.44.140^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robert.ns.cloudflare.com`
		A	172.64.35.140^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`robert.ns.cloudflare.com`
NS	`vivienne.ns.cloudflare.com`
		A	2606:4700:50::a29f:2632^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c232^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vivienne.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2232^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vivienne.ns.cloudflare.com`
		A	108.162.194.50^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	162.159.38.50^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	172.64.34.50^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
TXT	`v=spf1 include:lumlumklid.my.id -all`
SOA	`robert.ns.cloudflare.com`dns@cloudflare.com serial=2412896046

`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=1788341384

⚠️ On DNS blocklist: spam-tlds

Same first word

codingbasics.blogspot.com

codingbasics.courses

codingbasics.net

codingbasics.com

codingbasics.org

Similar names

basiccodings.blogspot.in

basiccodings.blogspot.ch

Previous names

Next names

DNS History

2 records (2 active, 0 former)

●NSrobert.ns.cloudflare.com2026-08-28 → 2026-09-02 · 2 obs

● 2026-08-28 08:54:50
● 2026-09-02 09:33:44

●NSvivienne.ns.cloudflare.com2026-08-28 → 2026-09-02 · 2 obs

● 2026-08-28 08:54:50
● 2026-09-02 09:33:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
courses	z.nic.courses, b.nic.courses, x.nic.courses, y.nic.courses...	12 records
codingbasics.courses	vivienne.ns.cloudflare.com, robert.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.140

NS records: vivienne.ns.cloudflare.com, robert.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codingbasics.courses (unsigned zone)

⏱️ Timing

Total: 364ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`robert.ns.cloudflare.com, vivienne.ns.cloudflare.com`
TXT	1	`v=spf1 include:lumlumklid.my.id -all`
SOA	1	`robert.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

Two name servers handle the delegation for codingbasics.courses: robert.ns.cloudflare.com and vivienne.ns.cloudflare.com.

The name server configuration of codingbasics.courses is shared with other domains, for instance varlink.pages.dev, cantonedfagot.asia, fullpsych.com and two others.

codingbasics.courses shares at least some of its name servers with other domains, including dkio.dev, rajamahjong88.com, situshokix426jp.live and two others.

These name servers are frequently seen alongside the name servers james.ns.cloudflare.com.

Hosts with 6 IP addresses each:

robert.ns.cloudflare.com resolves to 108.162.195.140, 162.159.44.140 and 172.64.35.140 among others, with 3 other IP addresses in total.

vivienne.ns.cloudflare.com resolves to 108.162.194.50, 162.159.38.50 and 172.64.34.50 among others, with 3 other IP addresses in total.

codingbasics.courses - robtex.com