🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`programstudyslots.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1001^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::6815:2001^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.1^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.32.1^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chad.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b52^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c152^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chad.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2152^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chad.ns.cloudflare.com`
		A	108.162.193.82^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
		A	172.64.33.82^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
		A	173.245.59.82^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
NS	`collins.ns.cloudflare.com`
		A	2606:4700:50::a29f:26e2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`collins.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2e2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`collins.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22e2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`collins.ns.cloudflare.com`
		A	108.162.194.226^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`collins.ns.cloudflare.com`
		A	162.159.38.226^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`collins.ns.cloudflare.com`
		A	172.64.34.226^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`collins.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.1, 104.21.32.1
		IPv6 hints	2606:4700:3030::6815:1001, 2606:4700:3030::6815:2001
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=250, name=cloudflare-ech.com
SOA	`chad.ns.cloudflare.com`dns@cloudflare.com serial=2419104013

`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=1794273576

Same first word

programstudyslots.com

Previous names

Next names

DNS History

14 records (6 active, 8 former)

●NSchad.ns.cloudflare.com2026-09-10 → 2026-11-10 · 2 obs

● 2026-09-10 09:42:58
● 2026-11-10 01:38:22

●NScollins.ns.cloudflare.com2026-09-10 → 2026-11-10 · 2 obs

● 2026-09-10 09:42:58
● 2026-11-10 01:38:22

○A104.21.1.1842026-09-15 → 2026-09-15 · 4 obs

○ 2026-09-10 09:42:58
● 2026-09-15 23:09:02
○ 2026-11-10 00:03:04
○ 2026-11-10 01:38:22

●A104.21.16.12026-11-10 → 2026-11-10 · 3 obs

○ 2026-09-15 23:09:02
● 2026-11-10 00:03:04
● 2026-11-10 01:38:22

●A104.21.32.12026-11-10 → 2026-11-10 · 3 obs

○ 2026-09-15 23:09:02
● 2026-11-10 00:03:04
● 2026-11-10 01:38:22

○A172.67.129.1882026-09-15 → 2026-09-15 · 4 obs

○ 2026-09-10 09:42:58
● 2026-09-15 23:09:02
○ 2026-11-10 00:03:04
○ 2026-11-10 01:38:22

○A188.114.96.02026-09-10 → 2026-09-10 · 3 obs

● 2026-09-10 09:42:58
○ 2026-09-15 23:09:02
○ 2026-11-10 01:38:22

○A188.114.97.02026-09-10 → 2026-09-10 · 3 obs

● 2026-09-10 09:42:58
○ 2026-09-15 23:09:02
○ 2026-11-10 01:38:22

●A2606:4700:3030::6815:10012026-11-10 → 2026-11-10 · 3 obs

○ 2026-09-15 23:09:02
● 2026-11-10 00:03:04
● 2026-11-10 01:38:22

●A2606:4700:3030::6815:20012026-11-10 → 2026-11-10 · 3 obs

○ 2026-09-15 23:09:02
● 2026-11-10 00:03:04
● 2026-11-10 01:38:22

○A2606:4700:3035::ac43:81bc2026-09-15 → 2026-09-15 · 4 obs

○ 2026-09-10 09:42:58
● 2026-09-15 23:09:02
○ 2026-11-10 00:03:04
○ 2026-11-10 01:38:22

○A2606:4700:3036::6815:1b82026-09-15 → 2026-09-15 · 4 obs

○ 2026-09-10 09:42:58
● 2026-09-15 23:09:02
○ 2026-11-10 00:03:04
○ 2026-11-10 01:38:22

○A2a06:98c1:3120::2026-09-10 → 2026-09-10 · 3 obs

● 2026-09-10 09:42:58
○ 2026-09-15 23:09:02
○ 2026-11-10 01:38:22

○A2a06:98c1:3121::2026-09-10 → 2026-09-10 · 3 obs

● 2026-09-10 09:42:58
○ 2026-09-15 23:09:02
○ 2026-11-10 01:38:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
programstudyslots.com	chad.ns.cloudflare.com, collins.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.226

NS records: chad.ns.cloudflare.com, collins.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programstudyslots.com (unsigned zone)

⏱️ Timing

Total: 327ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.16.1, 104.21.32.1`
AAAA	2	`2606:4700:3030::6815:1001, 2606:4700:3030::6815:2001`
NS	2	`chad.ns.cloudflare.com, collins.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chad.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

programstudyslots.com directs to four IP numbers, which are 104.21.16.1, 104.21.32.1, 2606:4700:3030::6815:1001 and 2606:4700:3030::6815:2001.

Additional host names — xfhtd.com, shenganjiemedical.com, matalinda.pages.dev and two others — share IP numbers with programstudyslots.com.

Name Servers

Two name servers handle the delegation for programstudyslots.com: chad.ns.cloudflare.com and collins.ns.cloudflare.com.

programstudyslots.com shares its name server setup with other domains, including do-dressing.pages.dev, sxntuat1.pages.dev, tomtom-ac4.workers.dev and two others.

There is at least partial name server overlap between programstudyslots.com and other domains — vulkan-jsdod.click, titansmoothies.com, soundwaveart.pages.dev and two more among them.

These name servers frequently co-occur with the name servers itzel.ns.cloudflare.com and dell.ns.cloudflare.com.

Host names with 6 IP numbers:

chad.ns.cloudflare.com resolves to 108.162.193.82, 172.64.33.82 and 173.245.59.82 among others, with 3 other IP addresses in total.

collins.ns.cloudflare.com resolves to 108.162.194.226, 162.159.38.226 and 172.64.34.226 among others, with 3 other IP addresses in total.

programstudyslots.com - robtex.com