🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`decision-engineering.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:ae77^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:2fe7^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.47.231^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.174.119^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jamie.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jamie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jamie.ns.cloudflare.com`
		A	108.162.192.168^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
		A	172.64.32.168^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
		A	173.245.58.168^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
NS	`rommy.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c14^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rommy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c314^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rommy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2314^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rommy.ns.cloudflare.com`
		A	108.162.195.20^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rommy.ns.cloudflare.com`
		A	162.159.44.20^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rommy.ns.cloudflare.com`
		A	172.64.35.20^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rommy.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.47.231, 172.67.174.119
		IPv6 hints	2606:4700:3035::ac43:ae77, 2606:4700:3037::6815:2fe7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=233, name=cloudflare-ech.com
SOA	`jamie.ns.cloudflare.com`dns@cloudflare.com serial=2416786260

`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

decision-engineering.dev

decision-engineering.net

decision-engineering.co

decision-engineering.ai

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSjamie.ns.cloudflare.com2026-10-03 → 2026-10-30 · 2 obs

● 2026-10-03 20:48:00
● 2026-10-30 14:11:14

●NSrommy.ns.cloudflare.com2026-10-03 → 2026-10-30 · 2 obs

● 2026-10-03 20:48:00
● 2026-10-30 14:11:14

●A104.21.47.2312026-10-03 → 2026-10-30 · 2 obs

● 2026-10-03 20:48:00
● 2026-10-30 14:11:14

●A172.67.174.1192026-10-03 → 2026-10-30 · 2 obs

● 2026-10-03 20:48:00
● 2026-10-30 14:11:14

●A2606:4700:3035::ac43:ae772026-10-03 → 2026-10-30 · 2 obs

● 2026-10-03 20:48:00
● 2026-10-30 14:11:14

●A2606:4700:3037::6815:2fe72026-10-03 → 2026-10-30 · 2 obs

● 2026-10-03 20:48:00
● 2026-10-30 14:11:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
decision-engineering.dev	rommy.ns.cloudflare.com, jamie.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.20

NS records: rommy.ns.cloudflare.com, jamie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for decision-engineering.dev (unsigned zone)

⏱️ Timing

Total: 1076ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.174.119, 104.21.47.231`
AAAA	2	`2606:4700:3035::ac43:ae77, 2606:4700:3037::6815:2fe7`
NS	2	`jamie.ns.cloudflare.com, rommy.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jamie.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

decision-engineering.dev points to the four IP addresses 104.21.47.231, 172.67.174.119, 2606:4700:3035::ac43:ae77 and 2606:4700:3037::6815:2fe7.

Two other host names, along with www.heritagehearing.ca, miayam.cc and 19go99.vip, also share IP numbers with decision-engineering.dev.

Name Servers

decision-engineering.dev is served by two delegated name servers, jamie.ns.cloudflare.com and rommy.ns.cloudflare.com.

decision-engineering.dev shares its NS records with other domains, for example lbagrmf6gw.workers.dev, temprd.dev, books-list.pages.dev and two others.

At least some of decision-engineering.dev's name servers are shared with other domains, for example zh-admin-leisu.com, my-datamoon.shop, tpp.uk and two more.

These name servers tend to be deployed in combination with the name servers nova.ns.cloudflare.com and cris.ns.cloudflare.com.

DNS names with 6 IP addresses:

jamie.ns.cloudflare.com carries IP addresses 108.162.192.168, 172.64.32.168 and 173.245.58.168, with 3 other addresses beyond those.

rommy.ns.cloudflare.com carries IP addresses 108.162.195.20, 162.159.44.20 and 172.64.35.20, with 3 other addresses beyond those.

decision-engineering.dev - robtex.com