usopenchess.org - robtex.com
usopenchess.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:dde8🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:35fe🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.53.254Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.221.232🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | kay.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a7d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kay.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c07d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kay.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:207d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kay.ns.cloudflare.com | ||||||
| A | 108.162.192.125🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kay.ns.cloudflare.com | ||||||
| A | 172.64.32.125🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kay.ns.cloudflare.com | ||||||
| A | 173.245.58.125🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kay.ns.cloudflare.com | ||||||
| NS | trevor.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c9a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | trevor.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c39a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | trevor.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:239a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | trevor.ns.cloudflare.com | ||||||
| A | 108.162.195.154🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | trevor.ns.cloudflare.com | ||||||
| A | 162.159.44.154Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | trevor.ns.cloudflare.com | ||||||
| A | 172.64.35.154🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | trevor.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.53.254, 172.67.221.232 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:dde8, 2606:4700:3034::6815:35fe | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=121, name=cloudflare-ech.com | ||||||
| SOA | kay.ns.cloudflare.comdns@cloudflare.com serial=2408238744 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1784581002 | ||||||
Same first word
usopenchess.org |
DNS History
7 records (6 active, 1 former)
●NSkay.ns.cloudflare.com2026-03-04 → 2026-07-20 · 2 obs
● 2026-07-20 21:27:02
●NStrevor.ns.cloudflare.com2026-03-04 → 2026-07-20 · 2 obs
● 2026-07-20 21:27:02
●A104.21.53.2542026-07-20 → 2026-07-20 · 3 obs
● 2026-07-20 21:27:00
● 2026-07-20 21:27:02
●A172.67.221.2322026-07-20 → 2026-07-20 · 3 obs
● 2026-07-20 21:27:00
● 2026-07-20 21:27:02
●A2606:4700:3030::ac43:dde82026-07-20 → 2026-07-20 · 3 obs
● 2026-07-20 21:27:00
● 2026-07-20 21:27:02
●A2606:4700:3034::6815:35fe2026-07-20 → 2026-07-20 · 3 obs
● 2026-07-20 21:27:00
● 2026-07-20 21:27:02
○A38.33.216.1052026-05-05 → 2026-05-05 · 3 obs
○ 2026-07-20 21:27:00
○ 2026-07-20 21:27:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| usopenchess.org | trevor.ns.cloudflare.com, kay.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.154
NS records: trevor.ns.cloudflare.com, kay.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usopenchess.org (unsigned zone)
⏱️ Timing
Total: 883ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.221.232, 104.21.53.254 |
| AAAA | 2 | 2606:4700:3030::ac43:dde8, 2606:4700:3034::6815:35fe |
| NS | 2 | kay.ns.cloudflare.com, trevor.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | kay.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
usopenchess.org directs to four IP numbers, which are 104.21.53.254, 172.67.221.232, 2606:4700:3030::ac43:dde8 and 2606:4700:3034::6815:35fe.
apostilaopcao.com.br, mailserver.p2pfoundation.net, tortue.co.uk plus two other host names have IP numbers in common with usopenchess.org.
Name Servers
DNS delegation for usopenchess.org points to two name servers: kay.ns.cloudflare.com and trevor.ns.cloudflare.com.
The name server configuration of usopenchess.org is shared with other domains, for instance fuunji.top, btty.net, layxsteel.com and two others.
At least some of usopenchess.org's name servers are shared with other domains, for example targ.dk, qa3at.com, loop7.com and two more.
It is common for these name servers to be used in conjunction with the name servers barbara.ns.cloudflare.com, eric.ns.cloudflare.com and luciana.ns.cloudflare.com.
Hosts with 6 IP addresses each:
kay.ns.cloudflare.com has IP addresses 108.162.192.125, 172.64.32.125 and 173.245.58.125, plus 3 other.
trevor.ns.cloudflare.com has IP addresses 108.162.195.154, 162.159.44.154 and 172.64.35.154, plus 3 other.