web-vitals-script.leaderint.workers.dev - dns.ninja
web-vitals-script.leaderint.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:23f6🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:b5c0🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.35.246Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.181.192🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.35.246, 172.67.181.192 | ||||||
| IPv6 hints | 2606:4700:3033::6815:23f6, 2606:4700:3035::ac43:b5c0 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com | ||||||
leaderint.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | bruce.ns.cloudflare.com ⭐ | ||||||
| NS | fiona.ns.cloudflare.com | ||||||
| SOA | bruce.ns.cloudflare.comdns@cloudflare.com serial=2407673963 | ||||||
DNS History
6 records (4 active, 2 former)
●A104.21.35.2462026-02-20 → 2026-06-29 · 2 obs
● 2026-02-20 05:19:14
● 2026-06-29 02:46:00
● 2026-06-29 02:46:00
●A172.67.181.1922026-02-20 → 2026-06-29 · 2 obs
● 2026-02-20 05:19:14
● 2026-06-29 02:46:00
● 2026-06-29 02:46:00
●A2606:4700:3033::6815:23f62026-06-29 → 2026-06-29 · 2 obs
○ 2026-06-15 07:21:34
● 2026-06-29 02:46:00
● 2026-06-29 02:46:00
○A2606:4700:3034::ac43:b5c02026-02-20 → 2026-06-15 · 3 obs
● 2026-02-20 05:19:14
● 2026-06-15 07:21:34
○ 2026-06-29 02:46:00
● 2026-06-15 07:21:34
○ 2026-06-29 02:46:00
●A2606:4700:3035::ac43:b5c02026-06-29 → 2026-06-29 · 2 obs
○ 2026-06-15 07:21:34
● 2026-06-29 02:46:00
● 2026-06-29 02:46:00
○A2606:4700:3037::6815:23f62026-02-20 → 2026-06-15 · 3 obs
● 2026-02-20 05:19:14
● 2026-06-15 07:21:34
○ 2026-06-29 02:46:00
● 2026-06-15 07:21:34
○ 2026-06-29 02:46:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| workers.dev | sofia.ns.cloudflare.com, clyde.ns.cloudflare.com | - |
| leaderint.workers.dev | bruce.ns.cloudflare.com, fiona.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.157
NS records: bruce.ns.cloudflare.com, fiona.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
⏱️ Timing
Total: 647ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.181.192, 104.21.35.246 |
| AAAA | 2 | 2606:4700:3035::ac43:b5c0, 2606:4700:3033::6815:23f6 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
web-vitals-script.leaderint.workers.dev points to the four IP addresses 104.21.35.246, 172.67.181.192, 2606:4700:3033::6815:23f6 and 2606:4700:3035::ac43:b5c0.
igoroctaviano.com, steengoedgoirle.nl, latinomachine.co.uk plus two other host names have IP numbers in common with web-vitals-script.leaderint.workers.dev.