mail.educationforthinking.org - dns.ninja

mail.educationforthinking.org

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:5109🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8898🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.9Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.136.152🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.81.9, 172.67.136.152
IPv6 hints2606:4700:3032::6815:5109, 2606:4700:3035::ac43:8898
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=172, name=cloudflare-ech.com

educationforthinking.org

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:5109🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:8898🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.9Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.136.152🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdonald.ns.cloudflare.com ⭐
NSsara.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTgoogle-site-verification=jcfHAPxZw2fzXEVr6nHk9f-ymJTBLClvv0bFU4hKey4
TXTv=spf1 a mx a:mailforwards.extendcp.co.uk ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.81.9, 172.67.136.152
IPv6 hints2606:4700:3032::6815:5109, 2606:4700:3035::ac43:8898
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=172, name=cloudflare-ech.com
SOAdonald.ns.cloudflare.comdns@cloudflare.com serial=2410111478

Previously MX for

mx.educationforthinking.org
educationforthinking.org

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.81.9172.67.136.1522606:4700:3032::6815:51092606:4700:3035::ac43:889879.170.44.40
●A104.21.81.92026-08-06 → 2026-08-06 · 2 obs
○ 2016-06-27 18:33:00
● 2026-08-06 04:06:54
●A172.67.136.1522026-08-06 → 2026-08-06 · 2 obs
○ 2016-06-27 18:33:00
● 2026-08-06 04:06:54
●A2606:4700:3032::6815:51092026-08-06 → 2026-08-06 · 2 obs
○ 2016-06-27 18:33:00
● 2026-08-06 04:06:54
●A2606:4700:3035::ac43:88982026-08-06 → 2026-08-06 · 2 obs
○ 2016-06-27 18:33:00
● 2026-08-06 04:06:54
○A79.170.44.402015-08-17 → 2016-06-27 · 3 obs
● 2015-08-17 12:51:30
● 2016-06-27 18:33:00
○ 2026-08-06 04:06:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org-
educationforthinking.orgsara.ns.cloudflare.com, donald.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.144

NS records: sara.ns.cloudflare.com, donald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for educationforthinking.org (unsigned zone)

⏱️ Timing

Total: 623ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.136.152, 104.21.81.9
AAAA22606:4700:3032::6815:5109, 2606:4700:3035::ac43:8898
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.educationforthinking.org points to the four IP addresses 104.21.81.9, 172.67.136.152, 2606:4700:3032::6815:5109 and 2606:4700:3035::ac43:8898.

cgexchange.top, sxzgl.com, inviteparty.pro and two other host names share IP numbers with mail.educationforthinking.org.