ustc.dev - robtex.com
ustc.dev
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.comcloud-dns-hostmaster@google.com serial=1 | ||||||
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | - |
| ustc.dev | lia.ns.cloudflare.com, hassan.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.149
NS records: lia.ns.cloudflare.com, hassan.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 4563ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.83.218, 172.67.182.50 |
| AAAA | 2 | 2606:4700:3034::ac43:b632, 2606:4700:3034::6815:53da |
| NS | 2 | hassan.ns.cloudflare.com, lia.ns.cloudflare.com |
| MX | 3 | route3.mx.cloudflare.net (pri: 24), route2.mx.cloudflare.net (pri: 32)... |
| TXT | 1 | v=spf1 include:_spf.mx.cloudflare.net ~a |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | hassan.ns.cloudflare.com dns.cloudflare. |