ten.mathlessons.co - robtex.com

ten.mathlessons.co

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:cca8🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:4ab0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.176Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.168🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.176, 172.67.204.168
IPv6 hints2606:4700:3032::ac43:cca8, 2606:4700:3034::6815:4ab0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=26, name=cloudflare-ech.com

mathlessons.co

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:cca8🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:4ab0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.176Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.168🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShugh.ns.cloudflare.com ⭐
NSjule.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.176, 172.67.204.168
IPv6 hints2606:4700:3032::ac43:cca8, 2606:4700:3034::6815:4ab0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=26, name=cloudflare-ech.com
SOAhugh.ns.cloudflare.comdns@cloudflare.com serial=2404012479

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DNS History

4 records (4 active, 0 former)

A104.21.74.176172.67.204.1682606:4700:3032::ac43:cca82606:4700:3034::6815:4ab0
●A104.21.74.1762026-05-12 → 2026-05-21 · 2 obs
● 2026-05-12 00:29:18
● 2026-05-21 08:11:48
●A172.67.204.1682026-05-12 → 2026-05-21 · 2 obs
● 2026-05-12 00:29:18
● 2026-05-21 08:11:48
●A2606:4700:3032::ac43:cca82026-05-12 → 2026-05-21 · 2 obs
● 2026-05-12 00:29:18
● 2026-05-21 08:11:48
●A2606:4700:3034::6815:4ab02026-05-12 → 2026-05-21 · 2 obs
● 2026-05-12 00:29:18
● 2026-05-21 08:11:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co-
mathlessons.cohugh.ns.cloudflare.com, jule.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.175

NS records: hugh.ns.cloudflare.com, jule.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathlessons.co (unsigned zone)

⏱️ Timing

Total: 684ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.204.168, 104.21.74.176
AAAA22606:4700:3032::ac43:cca8, 2606:4700:3034::6815:4ab0
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

With 4 IP addresses, ten.mathlessons.co directs to 104.21.74.176, 172.67.204.168, 2606:4700:3032::ac43:cca8 and 2606:4700:3034::6815:4ab0.

Among the host names that share IP numbers with ten.mathlessons.co are 50betcasino.fr, mfrose.com, videyp19so.wdp1.my.id and two others.