🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`opensynthesis.dev`

DNSSEC	⚠️ Not signed
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
		PTR	`cdn-185-199-108-153.github.com`
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
NS	`keira.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ce^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keira.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ce^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`keira.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ce^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`keira.ns.cloudflare.com`
		A	108.162.194.206^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keira.ns.cloudflare.com`
		A	162.159.38.206^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keira.ns.cloudflare.com`
		A	172.64.34.206^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keira.ns.cloudflare.com`
NS	`miguel.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c5f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miguel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c35f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`miguel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:235f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`miguel.ns.cloudflare.com`
		A	108.162.195.95^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miguel.ns.cloudflare.com`
		A	162.159.44.95^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miguel.ns.cloudflare.com`
		A	172.64.35.95^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miguel.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁵⁴⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁵⁹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
SOA	`keira.ns.cloudflare.com`dns@cloudflare.com serial=2412437256

`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

opensynthesis.dev

opensynthesis.co

opensynthesis.org

opensynthesis.click

Similar names

steenhypnosis.com

Previous names

Next names

DNS History

9 records (9 active, 0 former)

●NSkeira.ns.cloudflare.com2026-08-27 → 2026-09-18 · 2 obs

● 2026-08-27 02:39:30
● 2026-09-18 11:04:36

●NSmiguel.ns.cloudflare.com2026-08-27 → 2026-09-18 · 2 obs

● 2026-08-27 02:39:30
● 2026-09-18 11:04:36

●MXroute1.mx.cloudflare.net2026-08-27 → 2026-09-18 · 2 obs

● 2026-08-27 02:39:30
● 2026-09-18 11:04:36

●MXroute2.mx.cloudflare.net2026-08-27 → 2026-09-18 · 2 obs

● 2026-08-27 02:39:30
● 2026-09-18 11:04:36

●MXroute3.mx.cloudflare.net2026-08-27 → 2026-09-18 · 2 obs

● 2026-08-27 02:39:30
● 2026-09-18 11:04:36

●A185.199.108.1532026-08-27 → 2026-09-18 · 2 obs

● 2026-08-27 02:39:30
● 2026-09-18 11:04:36

●A185.199.109.1532026-08-27 → 2026-09-18 · 2 obs

● 2026-08-27 02:39:30
● 2026-09-18 11:04:36

●A185.199.110.1532026-08-27 → 2026-09-18 · 2 obs

● 2026-08-27 02:39:30
● 2026-09-18 11:04:36

●A185.199.111.1532026-08-27 → 2026-09-18 · 2 obs

● 2026-08-27 02:39:30
● 2026-09-18 11:04:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
opensynthesis.dev	keira.ns.cloudflare.com, miguel.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.206

NS records: keira.ns.cloudflare.com, miguel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensynthesis.dev (unsigned zone)

⏱️ Timing

Total: 1416ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.111.153, 185.199.109.153...`
NS	2	`keira.ns.cloudflare.com, miguel.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 5), route1.mx.cloudflare.net (pri: 54)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
SOA	1	`keira.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

opensynthesis.dev points to the four IP addresses 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

grumpyyoungmanltd.co.uk, selisp.com, sucks.fyi plus two other host names have IP numbers in common with opensynthesis.dev.

Name Servers

opensynthesis.dev uses two name servers for its delegation: keira.ns.cloudflare.com and miguel.ns.cloudflare.com.

The name server configuration of opensynthesis.dev is shared with other domains, for instance realcut.ai, 6967420.xyz, khamenei22.pages.dev and two others.

There is at least partial name server overlap between opensynthesis.dev and other domains — openhorizonpsychiatry.com, logotipos-iamode-mejorado.pages.dev, lehighvalleycarpetcleaners-com.pages.dev and two more among them.

These name servers frequently co-occur with the name servers kristin.ns.cloudflare.com and skip.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname keira.ns.cloudflare.com directs to 108.162.194.206, 162.159.38.206 and 172.64.34.206 along with 3 other IP addresses.

Hostname miguel.ns.cloudflare.com directs to 108.162.195.95, 162.159.44.95 and 172.64.35.95 along with 3 other IP addresses.

Mail Servers

Incoming mail for opensynthesis.dev is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by opensynthesis.dev are shared with other domains: essayoriginal.net, cursorfg160327.asia, relefi.com and two others among them.

Hosts with 6 IP addresses each:

Hostname route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.

Hostname route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.

Hostname route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.

opensynthesis.dev - robtex.com