mail.code.vn - robtex.com

mail.code.vn

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:13d2🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:be34🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.19.210Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.190.52🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.19.210, 172.67.190.52
IPv6 hints2606:4700:3034::6815:13d2, 2606:4700:3037::ac43:be34
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com

code.vn

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:13d2🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:be34🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.19.210Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.190.52🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnoel.ns.cloudflare.com ⭐
NSsharon.ns.cloudflare.com
MXmx.yandex.net ⭐
TXTv=spf1 redirect=_spf.yandex.net
TXTyandex-verification: f6485e9ac3fbad83
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.19.210, 172.67.190.52
IPv6 hints2606:4700:3034::6815:13d2, 2606:4700:3037::ac43:be34
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com
SOAnoel.ns.cloudflare.comdns@cloudflare.com serial=2403028576

Previously MX for

code.vn
www.code.vn

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.19.210172.67.190.522606:4700:3034::6815:13d22606:4700:3037::ac43:be34208.86.155.96
●A104.21.19.2102026-05-10 → 2026-05-10 · 2 obs
○ 2016-09-13 19:57:50
● 2026-05-10 12:30:40
●A172.67.190.522026-05-10 → 2026-05-10 · 2 obs
○ 2016-09-13 19:57:50
● 2026-05-10 12:30:40
○A208.86.155.962015-07-11 → 2016-09-13 · 3 obs
● 2015-07-11 05:35:58
● 2016-09-13 19:57:50
○ 2026-05-10 12:30:40
●A2606:4700:3034::6815:13d22026-05-10 → 2026-05-10 · 2 obs
○ 2016-09-13 19:57:50
● 2026-05-10 12:30:40
●A2606:4700:3037::ac43:be342026-05-10 → 2026-05-10 · 2 obs
○ 2016-09-13 19:57:50
● 2026-05-10 12:30:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnc.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...-
code.vnnoel.ns.cloudflare.com, sharon.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.221

NS records: noel.ns.cloudflare.com, sharon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for code.vn (unsigned zone)

⏱️ Timing

Total: 900ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.190.52, 104.21.19.210
AAAA22606:4700:3034::6815:13d2, 2606:4700:3037::ac43:be34
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.code.vn maps to four IP numbers: 2606:4700:3034::6815:13d2, 2606:4700:3037::ac43:be34, 104.21.19.210 and 172.67.190.52.

Other host names such as private-girls.be, ddmmyyyy.net, ohmg.org.uk, swart.ca and www.americanewsnation.com share IPs with mail.code.vn.