app.lessonplan.ch - robtex.com

app.lessonplan.ch

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:a85a🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:3e8a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.62.138Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.168.90🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.62.138, 172.67.168.90
IPv6 hints2606:4700:3030::ac43:a85a, 2606:4700:3032::6815:3e8a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=123, name=cloudflare-ech.com

lessonplan.ch

DNSSEC⚠️ Not signed
NSandronicus.ns.cloudflare.com ⭐
NSchin.ns.cloudflare.com
TXTv=spf1 -all
SOAandronicus.ns.cloudflare.comdns@cloudflare.com serial=2411139373

Same first word

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DNS History

4 records (4 active, 0 former)

A104.21.62.138172.67.168.902606:4700:3030::ac43:a85a2606:4700:3032::6815:3e8a
●A104.21.62.1382026-08-02 → 2026-08-02 · 2 obs
● 2026-08-02 12:24:36
● 2026-08-02 18:07:18
●A172.67.168.902026-08-02 → 2026-08-02 · 2 obs
● 2026-08-02 12:24:36
● 2026-08-02 18:07:18
●A2606:4700:3030::ac43:a85a2026-08-02 → 2026-08-02 · 2 obs
● 2026-08-02 12:24:36
● 2026-08-02 18:07:18
●A2606:4700:3032::6815:3e8a2026-08-02 → 2026-08-02 · 2 obs
● 2026-08-02 12:24:36
● 2026-08-02 18:07:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cha.nic.ch, e.nic.ch, d.nic.ch, b.nic.ch...-
lessonplan.chandronicus.ns.cloudflare.com, chin.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.113

NS records: andronicus.ns.cloudflare.com, chin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lessonplan.ch (unsigned zone)

⏱️ Timing

Total: 454ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.168.90, 104.21.62.138
AAAA22606:4700:3032::6815:3e8a, 2606:4700:3030::ac43:a85a
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

app.lessonplan.ch directs to four IP numbers, which are 104.21.62.138, 172.67.168.90, 2606:4700:3030::ac43:a85a and 2606:4700:3032::6815:3e8a.

Additional host names — pabxbj.com, badak500.fit, ap1.in and two others — share IP numbers with app.lessonplan.ch.