admin.lessonbase.jp - dns.ninja

admin.lessonbase.jp

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:156e🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:c648🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.21.110Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.198.72🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.21.110, 172.67.198.72
IPv6 hints2606:4700:3032::6815:156e, 2606:4700:3036::ac43:c648
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=95, name=cloudflare-ech.com

lessonbase.jp

DNSSEC⚠️ Not signed
NSariadne.ns.cloudflare.com ⭐
NSdamon.ns.cloudflare.com
MXinbound-smtp.ap-northeast-1.amazonaws.com ⭐
SOAariadne.ns.cloudflare.comdns@cloudflare.com serial=2410698123

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DNS History

4 records (4 active, 0 former)

A104.21.21.110172.67.198.722606:4700:3032::6815:156e2606:4700:3036::ac43:c648
●A104.21.21.1102026-07-29 → 2026-07-31 · 2 obs
● 2026-07-29 23:47:26
● 2026-07-31 17:26:14
●A172.67.198.722026-07-29 → 2026-07-31 · 2 obs
● 2026-07-29 23:47:26
● 2026-07-31 17:26:14
●A2606:4700:3032::6815:156e2026-07-29 → 2026-07-31 · 2 obs
● 2026-07-29 23:47:26
● 2026-07-31 17:26:14
●A2606:4700:3036::ac43:c6482026-07-29 → 2026-07-31 · 2 obs
● 2026-07-29 23:47:26
● 2026-07-31 17:26:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, d.dns.jp, g.dns.jp, e.dns.jp...-
lessonbase.jpariadne.ns.cloudflare.com, damon.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.96

NS records: ariadne.ns.cloudflare.com, damon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lessonbase.jp (unsigned zone)

⏱️ Timing

Total: 641ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.198.72, 104.21.21.110
AAAA22606:4700:3036::ac43:c648, 2606:4700:3032::6815:156e
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

admin.lessonbase.jp resolves to four IP addresses: 104.21.21.110, 172.67.198.72, 2606:4700:3032::6815:156e and 2606:4700:3036::ac43:c648.

bamboopuppy.com, hssyj.net, pxl.cz and two other host names share IP numbers with admin.lessonbase.jp.