mail.y-edu.com - robtex.com

mail.y-edu.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:3ab🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:82f8🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.171Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.248🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.171, 172.67.130.248
IPv6 hints2606:4700:3034::6815:3ab, 2606:4700:3036::ac43:82f8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com

y-edu.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:3ab🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:82f8🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.171Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.248🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdion.ns.cloudflare.com ⭐
NSjosephine.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.171, 172.67.130.248
IPv6 hints2606:4700:3034::6815:3ab, 2606:4700:3036::ac43:82f8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com
SOAdion.ns.cloudflare.comdns@cloudflare.com serial=2400803854

Previously MX for

y-edu.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.3.171172.67.130.2482606:4700:3034::6815:3ab2606:4700:3036::ac43:82f8121.201.16.17
●A104.21.3.1712026-03-24 → 2026-04-11 · 3 obs
○ 2016-04-24 06:51:32
● 2026-03-24 05:06:46
● 2026-04-11 20:38:58
○A121.201.16.172015-06-06 → 2016-04-24 · 4 obs
● 2015-06-06 13:23:44
● 2016-04-24 06:51:32
○ 2026-03-24 05:06:46
○ 2026-04-11 20:38:58
●A172.67.130.2482026-03-24 → 2026-04-11 · 3 obs
○ 2016-04-24 06:51:32
● 2026-03-24 05:06:46
● 2026-04-11 20:38:58
●A2606:4700:3034::6815:3ab2026-03-24 → 2026-04-11 · 3 obs
○ 2016-04-24 06:51:32
● 2026-03-24 05:06:46
● 2026-04-11 20:38:58
●A2606:4700:3036::ac43:82f82026-03-24 → 2026-04-11 · 3 obs
○ 2016-04-24 06:51:32
● 2026-03-24 05:06:46
● 2026-04-11 20:38:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net...-
y-edu.comdion.ns.cloudflare.com, josephine.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.156

NS records: dion.ns.cloudflare.com, josephine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for y-edu.com (unsigned zone)

⏱️ Timing

Total: 96ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.3.171, 172.67.130.248
AAAA22606:4700:3036::ac43:82f8, 2606:4700:3034::6815:3ab
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.y-edu.com maps to four IP numbers: 2606:4700:3034::6815:3ab, 2606:4700:3036::ac43:82f8, 104.21.3.171 and 172.67.130.248.

Other host names, for instance tsuchidamd.com, ametecsrl.it, samatorgroup.id, mangaraw.org and sadovska.com share IP numbers with mail.y-edu.com.