rexsys.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`rexsys.dev`

DNSSEC	⚠️ Not signed
A	104.21.64.246^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.156.170^{Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kate.ns.cloudflare.com` ⭐
NS	`tosana.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c2b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c32b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tosana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:232b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tosana.ns.cloudflare.com`
		A	108.162.195.43^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
		A	162.159.44.43^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.35.43^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.64.246, 172.67.156.170
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=21, name=cloudflare-ech.com
SOA	`kate.ns.cloudflare.com`dns@cloudflare.com serial=2416689810

`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

rexsys.com

rexsys.top

rexsys.lat

rexsys.dev

Similar names

xersys.com

ressyx.net

ressyx.de

xyress.ae

xsyser.com

sysrex.workers.dev

syrexs.com

ressyx.com

sysrex.com

exsrys.icu

xresys.de

exssyr.top

(0x736578)ysr.com

syresx.com.ph

xsyser.in

xersys.run

exrsys.com

xyress.com

syesxr.com

(0x736578)yrs.com.br

DNS History

4 records (4 active, 0 former)

●NSkate.ns.cloudflare.com2026-09-26 → 2026-10-20 · 2 obs

● 2026-09-26 23:46:40
● 2026-10-20 14:33:12

●NStosana.ns.cloudflare.com2026-09-26 → 2026-10-20 · 2 obs

● 2026-09-26 23:46:40
● 2026-10-20 14:33:12

●A104.21.64.2462026-09-26 → 2026-10-20 · 2 obs

● 2026-09-26 23:46:40
● 2026-10-20 14:33:12

●A172.67.156.1702026-09-26 → 2026-10-20 · 2 obs

● 2026-09-26 23:46:40
● 2026-10-20 14:33:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
rexsys.dev	tosana.ns.cloudflare.com, kate.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.43

NS records: tosana.ns.cloudflare.com, kate.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rexsys.dev (unsigned zone)

⏱️ Timing

Total: 1828ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.64.246, 172.67.156.170`
NS	2	`kate.ns.cloudflare.com, tosana.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kate.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

rexsys.dev resolves to the IP addresses 104.21.64.246 and 172.67.156.170

Name Servers

Two name servers handle the delegation for rexsys.dev: kate.ns.cloudflare.com and tosana.ns.cloudflare.com.

Host names with 6 IP numbers:

tosana.ns.cloudflare.com resolves to 108.162.195.43, 162.159.44.43 and 172.64.35.43 among others, with 3 other IP addresses in total.