mail.unity.edu.vn - robtex.com

mail.unity.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9efa🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:4a8c🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.140Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.250🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.140, 172.67.158.250
IPv6 hints2606:4700:3031::ac43:9efa, 2606:4700:3036::6815:4a8c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=141, name=cloudflare-ech.com

unity.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9efa🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:4a8c🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.140Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.250🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalfred.ns.cloudflare.com ⭐
NSannalise.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)
TXTv=spf1 include:servers.mcsv.net ?all
TXTworkplace-domain-verification=[f1624dbb-4111-41df-b65c-e9c5a510822d]
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.140, 172.67.158.250
IPv6 hints2606:4700:3031::ac43:9efa, 2606:4700:3036::6815:4a8c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=141, name=cloudflare-ech.com
SOAalfred.ns.cloudflare.comdns@cloudflare.com serial=2399881805

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DNS History

4 records (4 active, 0 former)

A104.21.74.140172.67.158.2502606:4700:3031::ac43:9efa2606:4700:3036::6815:4a8c
●A104.21.74.1402026-04-30 → 2026-05-10 · 2 obs
● 2026-04-30 23:41:00
● 2026-05-10 03:48:28
●A172.67.158.2502026-04-30 → 2026-05-10 · 2 obs
● 2026-04-30 23:41:00
● 2026-05-10 03:48:28
●A2606:4700:3031::ac43:9efa2026-04-30 → 2026-05-10 · 2 obs
● 2026-04-30 23:41:00
● 2026-05-10 03:48:28
●A2606:4700:3036::6815:4a8c2026-04-30 → 2026-05-10 · 2 obs
● 2026-04-30 23:41:00
● 2026-05-10 03:48:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
unity.edu.vnalfred.ns.cloudflare.com, annalise.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.234

NS records: alfred.ns.cloudflare.com, annalise.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for unity.edu.vn (unsigned zone)

⏱️ Timing

Total: 705ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.158.250, 104.21.74.140
AAAA22606:4700:3031::ac43:9efa, 2606:4700:3036::6815:4a8c
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.unity.edu.vn maps to four IP numbers: 2606:4700:3031::ac43:9efa, 2606:4700:3036::6815:4a8c, 104.21.74.140 and 172.67.158.250.

Other host names such as m.led99.com, fensterplatz-heidelberg.de, ikarma.pl, www.hnxxb.cn and f-best.com share IPs with mail.unity.edu.vn.