mx.learningtech.us - dns.ninja

mx.learningtech.us

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b78e🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:4871🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.72.113Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.142🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.72.113, 172.67.183.142
IPv6 hints2606:4700:3031::ac43:b78e, 2606:4700:3032::6815:4871
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=160, name=cloudflare-ech.com

learningtech.us

DNSSEC🔒 Signed (DS record present)
A2606:4700:3031::ac43:b78e🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:4871🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.72.113Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.142🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarnold.ns.cloudflare.com ⭐
NSnicole.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.72.113, 172.67.183.142
IPv6 hints2606:4700:3031::ac43:b78e, 2606:4700:3032::6815:4871
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=160, name=cloudflare-ech.com
SOAarnold.ns.cloudflare.comdns@cloudflare.com serial=2407912328

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DNS History

6 records (4 active, 2 former)

A104.21.72.113172.67.183.1422606:4700:3031::ac43:b78e2606:4700:3032::6815:48712606:4700:3031::6815:48712606:4700:3033::ac43:b78e
●A104.21.72.1132026-02-22 → 2026-07-01 · 2 obs
● 2026-02-22 18:58:24
● 2026-07-01 14:00:08
●A172.67.183.1422026-02-22 → 2026-07-01 · 2 obs
● 2026-02-22 18:58:24
● 2026-07-01 14:00:08
○A2606:4700:3031::6815:48712026-02-22 → 2026-05-14 · 3 obs
● 2026-02-22 18:58:24
● 2026-05-14 09:58:06
○ 2026-07-01 14:00:08
●A2606:4700:3031::ac43:b78e2026-07-01 → 2026-07-01 · 2 obs
○ 2026-05-14 09:58:06
● 2026-07-01 14:00:08
●A2606:4700:3032::6815:48712026-07-01 → 2026-07-01 · 2 obs
○ 2026-05-14 09:58:06
● 2026-07-01 14:00:08
○A2606:4700:3033::ac43:b78e2026-02-22 → 2026-05-14 · 3 obs
● 2026-02-22 18:58:24
● 2026-05-14 09:58:06
○ 2026-07-01 14:00:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
learningtech.usarnold.ns.cloudflare.com, nicole.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.211

NS records: arnold.ns.cloudflare.com, nicole.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 220ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.72.113, 172.67.183.142
AAAA22606:4700:3031::ac43:b78e, 2606:4700:3032::6815:4871
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mx.learningtech.us has four IP addresses: 104.21.72.113, 172.67.183.142, 2606:4700:3031::ac43:b78e and 2606:4700:3032::6815:4871.

tamilnoolagam.com, max73.de, www.clipfasthd.com and two other host names share IP numbers with mx.learningtech.us.