🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`doublefeature.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:58e7^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:99a2^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.88.231^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.162^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`isaac.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isaac.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isaac.ns.cloudflare.com`
		A	108.162.193.177^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	172.64.33.177^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	173.245.59.177^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
NS	`rosemary.ns.cloudflare.com`
		A	2606:4700:50::a29f:264d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c24d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rosemary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:224d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rosemary.ns.cloudflare.com`
		A	108.162.194.77^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	162.159.38.77^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
		A	172.64.34.77^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rosemary.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.88.231, 172.67.153.162
		IPv6 hints	2606:4700:3035::6815:58e7, 2606:4700:3035::ac43:99a2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=189, name=cloudflare-ech.com
SOA	`isaac.ns.cloudflare.com`dns@cloudflare.com serial=2411394822

`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

doublefeature.au

doublefeature.watch

doublefeature.dev

doublefeature.de

doublefeature.tv

doublefeature.design

doublefeature.fm

doublefeature.com

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSisaac.ns.cloudflare.com2026-08-17 → 2026-08-26 · 2 obs

● 2026-08-17 22:53:36
● 2026-08-26 10:56:34

●NSrosemary.ns.cloudflare.com2026-08-17 → 2026-08-26 · 2 obs

● 2026-08-17 22:53:36
● 2026-08-26 10:56:34

●A104.21.88.2312026-08-17 → 2026-08-26 · 2 obs

● 2026-08-17 22:53:36
● 2026-08-26 10:56:34

●A172.67.153.1622026-08-17 → 2026-08-26 · 2 obs

● 2026-08-17 22:53:36
● 2026-08-26 10:56:34

●A2606:4700:3035::6815:58e72026-08-17 → 2026-08-26 · 2 obs

● 2026-08-17 22:53:36
● 2026-08-26 10:56:34

●A2606:4700:3035::ac43:99a22026-08-17 → 2026-08-26 · 2 obs

● 2026-08-17 22:53:36
● 2026-08-26 10:56:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
doublefeature.dev	isaac.ns.cloudflare.com, rosemary.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.177

NS records: isaac.ns.cloudflare.com, rosemary.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doublefeature.dev (unsigned zone)

⏱️ Timing

Total: 617ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.88.231, 172.67.153.162`
AAAA	2	`2606:4700:3035::ac43:99a2, 2606:4700:3035::6815:58e7`
NS	2	`isaac.ns.cloudflare.com, rosemary.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`isaac.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

doublefeature.dev directs to four IP numbers, which are 104.21.88.231, 172.67.153.162, 2606:4700:3035::6815:58e7 and 2606:4700:3035::ac43:99a2.

Additional host names — zygtj.com, idihalmaheraselatankota.org, ibujoxo.com and two others — share IP numbers with doublefeature.dev.

Name Servers

doublefeature.dev uses two name servers for its delegation: isaac.ns.cloudflare.com and rosemary.ns.cloudflare.com.

doublefeature.dev shares its name server setup with other domains, including fexmaron.eu, sudancineast.com, aspsirohi.com and two others.

At least some of doublefeature.dev's name servers are shared with other domains, for example gdevsolutions.net, hg35dx0081.cc, myahmitchell.com and two more.

These name servers tend to be used in conjunction with the name servers dan.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname isaac.ns.cloudflare.com directs to 108.162.193.177, 172.64.33.177 and 173.245.59.177 along with 3 other IP addresses.

Hostname rosemary.ns.cloudflare.com directs to 108.162.194.77, 162.159.38.77 and 172.64.34.77 along with 3 other IP addresses.

doublefeature.dev - robtex.com