🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`developmentmasterclass.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8c85^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:5ed9^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.94.217^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.140.133^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elliot.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elliot.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elliot.ns.cloudflare.com`
		A	108.162.193.162^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	172.64.33.162^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	173.245.59.162^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
NS	`kimora.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kimora.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kimora.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kimora.ns.cloudflare.com`
		A	108.162.194.243^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kimora.ns.cloudflare.com`
		A	162.159.38.243^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kimora.ns.cloudflare.com`
		A	172.64.34.243^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kimora.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.94.217, 172.67.140.133
		IPv6 hints	2606:4700:3030::ac43:8c85, 2606:4700:3033::6815:5ed9
SOA	`elliot.ns.cloudflare.com`dns@cloudflare.com serial=2415439720

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1790623049

Same first word

developmentmasterclass.com

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSelliot.ns.cloudflare.com2026-09-19 → 2026-09-28 · 2 obs

● 2026-09-19 08:01:04
● 2026-09-28 19:44:40

●NSkimora.ns.cloudflare.com2026-09-19 → 2026-09-28 · 2 obs

● 2026-09-19 08:01:04
● 2026-09-28 19:44:40

●A104.21.94.2172026-09-19 → 2026-09-28 · 2 obs

● 2026-09-19 08:01:04
● 2026-09-28 19:44:40

●A172.67.140.1332026-09-19 → 2026-09-28 · 2 obs

● 2026-09-19 08:01:04
● 2026-09-28 19:44:40

●A2606:4700:3030::ac43:8c852026-09-19 → 2026-09-28 · 2 obs

● 2026-09-19 08:01:04
● 2026-09-28 19:44:40

●A2606:4700:3033::6815:5ed92026-09-19 → 2026-09-28 · 2 obs

● 2026-09-19 08:01:04
● 2026-09-28 19:44:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...	-
developmentmasterclass.com	elliot.ns.cloudflare.com, kimora.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.243

NS records: elliot.ns.cloudflare.com, kimora.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developmentmasterclass.com (unsigned zone)

⏱️ Timing

Total: 193ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.140.133, 104.21.94.217`
AAAA	2	`2606:4700:3030::ac43:8c85, 2606:4700:3033::6815:5ed9`
NS	2	`elliot.ns.cloudflare.com, kimora.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elliot.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (elliot.ns.cloudflare.com, elliot.ns.cloudflare.com, elliot.ns.cloudflare.com...)

Analysis

IP Addresses

developmentmasterclass.com resolves to four IP addresses: 104.21.94.217, 172.67.140.133, 2606:4700:3030::ac43:8c85 and 2606:4700:3033::6815:5ed9.

Additional host names — 5fuvip.cn, drivesocialbloom.co, montessori-pruefl.com and two others — share IP numbers with developmentmasterclass.com.

Name Servers

developmentmasterclass.com has two authoritative name servers — elliot.ns.cloudflare.com and kimora.ns.cloudflare.com.

developmentmasterclass.com shares its name server setup with other domains, including epicwinsslot.com, colinpmiles.workers.dev, hackshack.studio and two others.

developmentmasterclass.com has at least partial name server overlap with other domains, such as 1wz32964dn5n.workers.dev, spectralmedia.cloud, dimshome.fr and two others.

It is common to see these name servers used together with name servers virginia.ns.cloudflare.com and tori.ns.cloudflare.com.

Host names with 6 IP numbers:

elliot.ns.cloudflare.com points to 108.162.193.162, 172.64.33.162, 173.245.59.162 and 3 other IP addresses.

kimora.ns.cloudflare.com points to 108.162.194.243, 162.159.38.243, 172.64.34.243 and 3 other IP addresses.

developmentmasterclass.com - robtex.com