opensystem.us - dns.ninja
opensystem.us
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::6815:54ecπΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:c6e1πΊπΈ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.84.236Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.198.225πΊπΈ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | rajeev.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::adf5:3be0πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rajeev.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1e0π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rajeev.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21e0πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rajeev.ns.cloudflare.com | ||||||
| A | 108.162.193.224πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rajeev.ns.cloudflare.com | ||||||
| A | 172.64.33.224πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rajeev.ns.cloudflare.com | ||||||
| A | 173.245.59.224πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rajeev.ns.cloudflare.com | ||||||
| NS | sreeni.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26b2πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sreeni.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2b2π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sreeni.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22b2πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sreeni.ns.cloudflare.com | ||||||
| A | 108.162.194.178πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sreeni.ns.cloudflare.com | ||||||
| A | 162.159.38.178Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sreeni.ns.cloudflare.com | ||||||
| A | 172.64.34.178πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sreeni.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.84.236, 172.67.198.225 | ||||||
| IPv6 hints | 2606:4700:3033::6815:54ec, 2606:4700:3036::ac43:c6e1 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=211, name=cloudflare-ech.com | ||||||
| SOA | rajeev.ns.cloudflare.comdns@cloudflare.com serial=2406667185 | ||||||
us
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.cctld.us β | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1781428948 | ||||||
rank #3003 in the tld
π Tranco rank: #481,967
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
βNSanastasia.ns.cloudflare.com2026-03-18 β 2026-03-26 Β· 4 obs
β 2026-03-26 10:22:04
β 2026-03-30 07:22:44
β 2026-06-14 09:33:34
βNSarushi.ns.cloudflare.com2026-03-30 β 2026-03-30 Β· 4 obs
β 2026-03-30 07:22:44
β 2026-05-02 05:02:22
β 2026-06-14 09:33:34
βNSeoin.ns.cloudflare.com2026-03-30 β 2026-03-30 Β· 4 obs
β 2026-03-30 07:22:44
β 2026-05-02 05:02:22
β 2026-06-14 09:33:34
βNSmax.ns.cloudflare.com2026-03-18 β 2026-03-26 Β· 4 obs
β 2026-03-26 10:22:04
β 2026-03-30 07:22:44
β 2026-06-14 09:33:34
βNSrajeev.ns.cloudflare.com2026-05-02 β 2026-06-14 Β· 3 obs
β 2026-05-02 05:02:22
β 2026-06-14 09:33:34
βNSsreeni.ns.cloudflare.com2026-05-02 β 2026-06-14 Β· 3 obs
β 2026-05-02 05:02:22
β 2026-06-14 09:33:34
βA104.21.84.2362026-03-18 β 2026-06-14 Β· 2 obs
β 2026-06-14 09:33:34
βA172.67.198.2252026-03-18 β 2026-06-14 Β· 2 obs
β 2026-06-14 09:33:34
βA2606:4700:3033::6815:54ec2026-03-18 β 2026-06-14 Β· 2 obs
β 2026-06-14 09:33:34
βA2606:4700:3036::ac43:c6e12026-03-18 β 2026-06-14 Β· 2 obs
β 2026-06-14 09:33:34
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | 16 records |
| opensystem.us | rajeev.ns.cloudflare.com, sreeni.ns.cloudflare.com | - |
β Authoritative Response
Server:162.159.38.178
NS records: rajeev.ns.cloudflare.com, sreeni.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for opensystem.us (unsigned zone)
β±οΈ Timing
Total: 306ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.84.236, 172.67.198.225 |
| AAAA | 2 | 2606:4700:3036::ac43:c6e1, 2606:4700:3033::6815:54ec |
| NS | 2 | rajeev.ns.cloudflare.com, sreeni.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | rajeev.ns.cloudflare.com dns.cloudflare. |
π Glue Records Collected
Total: 16
In-bailiwick: 16 (b.cctld.us, f.cctld.us, k.cctld.us...)
Analysis
IP Addresses
opensystem.us directs to four IP numbers, which are 104.21.84.236, 172.67.198.225, 2606:4700:3033::6815:54ec and 2606:4700:3036::ac43:c6e1.
www.echoes.io, greenergrowth.co.uk, optiekcenter.be and two other host names share IP numbers with opensystem.us.
Name Servers
The NS records for opensystem.us delegate to rajeev.ns.cloudflare.com and sreeni.ns.cloudflare.com.
opensystem.us uses the same name servers as several other domains β among them questslots.pt, blackjackvault.nl, diaidea.es and two more.
At least some of opensystem.us's name servers are shared with other domains, for example nmvotergroup.org, mkinfo.net, confirmation-id1735.com and two more.
It is common for these name servers to be used in conjunction with the name servers cash.ns.cloudflare.com, pablo.ns.cloudflare.com and molly.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
rajeev.ns.cloudflare.com maps to 108.162.193.224, 172.64.33.224, 173.245.59.224 and 3 additional IP addresses.
sreeni.ns.cloudflare.com maps to 108.162.194.178, 162.159.38.178, 172.64.34.178 and 3 additional IP addresses.