🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`sampleefficiency.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:b620^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:200b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.32.11^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.182.32^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bryce.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bryce.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c389^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bryce.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2389^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bryce.ns.cloudflare.com`
		A	108.162.195.137^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bryce.ns.cloudflare.com`
		A	162.159.44.137^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bryce.ns.cloudflare.com`
		A	172.64.35.137^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bryce.ns.cloudflare.com`
NS	`sloan.ns.cloudflare.com`
		A	2606:4700:50::a29f:2634^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c234^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sloan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2234^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sloan.ns.cloudflare.com`
		A	108.162.194.52^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	162.159.38.52^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	172.64.34.52^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.32.11, 172.67.182.32
		IPv6 hints	2606:4700:3032::ac43:b620, 2606:4700:3037::6815:200b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=167, name=cloudflare-ech.com
SOA	`bryce.ns.cloudflare.com`dns@cloudflare.com serial=2417850745

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

sampleefficiency.dev

sampleefficiency.ai

sampleefficiency.com

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSbryce.ns.cloudflare.com2026-10-18 → 2026-11-10 · 2 obs

● 2026-10-18 23:21:00
● 2026-11-10 18:09:34

●NSsloan.ns.cloudflare.com2026-10-18 → 2026-11-10 · 2 obs

● 2026-10-18 23:21:00
● 2026-11-10 18:09:34

●A104.21.32.112026-10-18 → 2026-11-10 · 2 obs

● 2026-10-18 23:21:00
● 2026-11-10 18:09:34

●A172.67.182.322026-10-18 → 2026-11-10 · 2 obs

● 2026-10-18 23:21:00
● 2026-11-10 18:09:34

●A2606:4700:3032::ac43:b6202026-10-18 → 2026-11-10 · 2 obs

● 2026-10-18 23:21:00
● 2026-11-10 18:09:34

●A2606:4700:3037::6815:200b2026-10-18 → 2026-11-10 · 2 obs

● 2026-10-18 23:21:00
● 2026-11-10 18:09:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
sampleefficiency.dev	sloan.ns.cloudflare.com, bryce.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.52

NS records: sloan.ns.cloudflare.com, bryce.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sampleefficiency.dev (unsigned zone)

⏱️ Timing

Total: 1633ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.182.32, 104.21.32.11`
AAAA	2	`2606:4700:3037::6815:200b, 2606:4700:3032::ac43:b620`
NS	2	`bryce.ns.cloudflare.com, sloan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bryce.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

sampleefficiency.dev directs to four IP numbers, which are 104.21.32.11, 172.67.182.32, 2606:4700:3032::ac43:b620 and 2606:4700:3037::6815:200b.

Additional host names — cybernexa.forum, gaytag.net.cdn.cloudflare.net, flowmakr.co and two others — share IP numbers with sampleefficiency.dev.

Name Servers

sampleefficiency.dev uses two name servers for its delegation: bryce.ns.cloudflare.com and sloan.ns.cloudflare.com.

sampleefficiency.dev shares its name server setup with other domains, including candle-waiter.workers.dev, cp-expanse.biz, helenryk.workers.dev and two others.

There is at least partial name server overlap between sampleefficiency.dev and other domains — kendee.co, sintillahome.pages.dev, canizmireef.shop and two more among them.

These name servers frequently co-occur with the name servers trey.ns.cloudflare.com and sasha.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname bryce.ns.cloudflare.com directs to 108.162.195.137, 162.159.44.137 and 172.64.35.137 along with 3 other IP addresses.

Hostname sloan.ns.cloudflare.com directs to 108.162.194.52, 162.159.38.52 and 172.64.34.52 along with 3 other IP addresses.

sampleefficiency.dev - robtex.com