api.lessonplan.ch - robtex.com
api.lessonplan.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:a85a🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::6815:3e8a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.62.138Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.168.90🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.62.138, 172.67.168.90 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:a85a, 2606:4700:3032::6815:3e8a | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=64, name=cloudflare-ech.com | ||||||
lessonplan.ch
| DNSSEC | ⚠️ Not signed | ||||||
| NS | andronicus.ns.cloudflare.com ⭐ | ||||||
| NS | chin.ns.cloudflare.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | andronicus.ns.cloudflare.comdns@cloudflare.com serial=2411139373 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A104.21.62.1382026-08-02 → 2026-08-03 · 2 obs
● 2026-08-02 12:24:18
● 2026-08-03 15:38:40
● 2026-08-03 15:38:40
●A172.67.168.902026-08-02 → 2026-08-03 · 2 obs
● 2026-08-02 12:24:18
● 2026-08-03 15:38:40
● 2026-08-03 15:38:40
●A2606:4700:3030::ac43:a85a2026-08-02 → 2026-08-03 · 2 obs
● 2026-08-02 12:24:18
● 2026-08-03 15:38:40
● 2026-08-03 15:38:40
●A2606:4700:3032::6815:3e8a2026-08-02 → 2026-08-03 · 2 obs
● 2026-08-02 12:24:18
● 2026-08-03 15:38:40
● 2026-08-03 15:38:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | e.nic.ch, a.nic.ch, b.nic.ch, d.nic.ch... | - |
| lessonplan.ch | chin.ns.cloudflare.com, andronicus.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.113
NS records: chin.ns.cloudflare.com, andronicus.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lessonplan.ch (unsigned zone)
⏱️ Timing
Total: 1747ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.62.138, 172.67.168.90 |
| AAAA | 2 | 2606:4700:3032::6815:3e8a, 2606:4700:3030::ac43:a85a |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
api.lessonplan.ch resolves to four IP addresses: 104.21.62.138, 172.67.168.90, 2606:4700:3030::ac43:a85a and 2606:4700:3032::6815:3e8a.
pabxbj.com, badak500.fit, ap1.in plus two other host names have IP numbers in common with api.lessonplan.ch.