`serverless-processing-engine.courses`

DNSSEC	⚠️ Not signed
A	104.21.53.155^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.214.159^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`tim.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b91^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c191^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2191^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tim.ns.cloudflare.com`
		A	108.162.193.145^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tim.ns.cloudflare.com`
		A	172.64.33.145^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tim.ns.cloudflare.com`
		A	173.245.59.145^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tim.ns.cloudflare.com`
NS	`zelda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zelda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zelda.ns.cloudflare.com`
		A	108.162.192.242^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	172.64.32.242^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	173.245.58.242^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.53.155, 172.67.214.159
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=103, name=cloudflare-ech.com
SOA	`tim.ns.cloudflare.com`dns@cloudflare.com serial=2409509893

`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=1786437639

⚠️ On DNS blocklist: tif
⚠️ On DNS blocklist: spam-tlds

Subdomains

www.serverless-processing-engine.courses

Same first word

serverless-processing-engine.courses

DNS History

4 records (4 active, 0 former)

●NStim.ns.cloudflare.com2026-05-23 → 2026-08-11 · 2 obs

● 2026-05-23 06:36:56
● 2026-08-11 09:29:26

●NSzelda.ns.cloudflare.com2026-05-23 → 2026-08-11 · 2 obs

● 2026-05-23 06:36:56
● 2026-08-11 09:29:26

●A104.21.53.1552026-05-23 → 2026-08-11 · 2 obs

● 2026-05-23 06:36:56
● 2026-08-11 09:29:26

●A172.67.214.1592026-05-23 → 2026-08-11 · 2 obs

● 2026-05-23 06:36:56
● 2026-08-11 09:29:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
courses	a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses...	12 records
serverless-processing-engine.courses	zelda.ns.cloudflare.com, tim.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.242

NS records: zelda.ns.cloudflare.com, tim.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for serverless-processing-engine.courses (unsigned zone)

⏱️ Timing

Total: 338ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.214.159, 104.21.53.155`
NS	2	`tim.ns.cloudflare.com, zelda.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`tim.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

serverless-processing-engine.courses serves as the parent of www.serverless-processing-engine.courses.

IP Addresses

serverless-processing-engine.courses directs to two IP numbers, 104.21.53.155 and 172.67.214.159

logheadspace.click, szsenghorlogistics.com, reface.app and two other host names share IP numbers with serverless-processing-engine.courses.

Name Servers

The NS records for serverless-processing-engine.courses delegate to tim.ns.cloudflare.com and zelda.ns.cloudflare.com.

serverless-processing-engine.courses uses the same name servers as several other domains — among them irpmail.com, zaansegolfclub.com, federatedclusterlab.courses and two more.

serverless-processing-engine.courses has at least partial name server overlap with other domains, such as tavapstophguwac.site, equalizer.ca, ralphnealeopticians.co.uk and two others.

These name servers tend to appear together with the name servers adrian.ns.cloudflare.com, rita.ns.cloudflare.com and alla.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

tim.ns.cloudflare.com maps to 108.162.193.145, 172.64.33.145, 173.245.59.145 and 3 additional IP addresses.

zelda.ns.cloudflare.com maps to 108.162.192.242, 172.64.32.242, 173.245.58.242 and 3 additional IP addresses.

serverless-processing-engine.courses - robtex.com