app.lessons.com - dns.ninja

app.lessons.com

DNSSEC⚠️ Not signed
A2606:4700:3108::ac42:2847🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3108::ac42:2bb9🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.40.71🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.43.185🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/2 ✓ hints match
IPv4 hints172.66.40.71, 172.66.43.185
IPv6 hints2606:4700:3108::ac42:2847, 2606:4700:3108::ac42:2bb9

lessons.com

DNSSEC⚠️ Not signed
A2606:4700:3108::ac42:2847🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3108::ac42:2bb9🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.40.71🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.43.185🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjoan.ns.cloudflare.com ⭐
NSmarty.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(20)
MXalt2.aspmx.l.google.com(20)
MXaspmx2.googlemail.com(30)
MXaspmx3.googlemail.com(30)
MXaspmx4.googlemail.com(30)
MXaspmx5.googlemail.com(30)
TXTMS=31C1E1BF8C76859BA5BBD367BB5C8A0DC41E034D
TXTahrefs-site-verification_08a92e6a7dc4b386436fde0e7bf931b8016db14835960473d75d...
TXTanthropic-domain-verification-qes072=EPzobcSWq3NbwVz8knccjkIX9
TXTfacebook-domain-verification=bdbb7soivh59cjsrh9bloqx6dlwvuz
TXTgoogle-site-verification=CDtJrHaK5RcrvZ_hKMbwI5-koB6m8Sfi-6iCLNKu3OQ
TXTgoogle-site-verification=pJQ3Y8ok7vCDRzDwC3a3uqRAbCKYhYdH4ppFuaQykqM
TXTv=spf1 include:_spf.google.com include:spf.mandrillapp.com include:sendgrid.n...
HTTPSHTTP/2 ✓ hints match
IPv4 hints172.66.40.71, 172.66.43.185
IPv6 hints2606:4700:3108::ac42:2847, 2606:4700:3108::ac42:2bb9
SOAjoan.ns.cloudflare.comdns@cloudflare.com serial=2407388452
rank #107512 globally
rank #50100 in the tld
📈 Tranco rank: #189,046

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DNS History

4 records (4 active, 0 former)

A172.66.40.71172.66.43.1852606:4700:3108::ac42:28472606:4700:3108::ac42:2bb9
●A172.66.40.712026-04-16 → 2026-07-10 · 2 obs
● 2026-04-16 18:50:56
● 2026-07-10 09:22:32
●A172.66.43.1852026-04-16 → 2026-07-10 · 2 obs
● 2026-04-16 18:50:56
● 2026-07-10 09:22:32
●A2606:4700:3108::ac42:28472026-04-16 → 2026-07-10 · 2 obs
● 2026-04-16 18:50:56
● 2026-07-10 09:22:32
●A2606:4700:3108::ac42:2bb92026-04-16 → 2026-07-10 · 2 obs
● 2026-04-16 18:50:56
● 2026-07-10 09:22:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...-
lessons.commarty.ns.cloudflare.com, joan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.173

NS records: marty.ns.cloudflare.com, joan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lessons.com (unsigned zone)

⏱️ Timing

Total: 177ms | Queries: -

📄 Records

TypeCountSample Data
A2172.66.43.185, 172.66.40.71
AAAA22606:4700:3108::ac42:2847, 2606:4700:3108::ac42:2bb9
HTTPS1{"priority":1,"target":".","alpn":["h2"]

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (marty.ns.cloudflare.com, marty.ns.cloudflare.com, marty.ns.cloudflare.com...)

Analysis

IP Addresses

app.lessons.com points to the four IP addresses 172.66.40.71, 172.66.43.185, 2606:4700:3108::ac42:2847 and 2606:4700:3108::ac42:2bb9.

Two other host names, along with www.wilderness-window.com, www.nanalyze.com and smtp.domains4bitcoins.com, also share IP numbers with app.lessons.com.