mail.swing.com.vn - robtex.com

mail.swing.com.vn

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:3449🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:c4b0🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.73Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.196.176🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.73, 172.67.196.176
IPv6 hints2606:4700:3032::6815:3449, 2606:4700:3036::ac43:c4b0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com

swing.com.vn

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:3449🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:c4b0🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.73Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.196.176🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSfrida.ns.cloudflare.com ⭐
NSkevin.ns.cloudflare.com
MXswing-com-vn.mail.protection.outlook.com ⭐
TXTMS=ms37951428
TXTv=spf1 include:spf.protection.outlook.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.73, 172.67.196.176
IPv6 hints2606:4700:3032::6815:3449, 2606:4700:3036::ac43:c4b0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com
SOAfrida.ns.cloudflare.comdns@cloudflare.com serial=2402162359

Previously MX for

swing.com.vn

Same first word

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DNS History

9 records (4 active, 5 former)

20192020202120222023202420252026A104.21.52.73172.67.196.1762606:4700:3032::6815:34492606:4700:3036::ac43:c4b0178.128.52.1188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●A104.21.52.732026-03-28 → 2026-04-28 · 3 obs
○ 2018-12-16 21:44:48
● 2026-03-28 00:07:08
● 2026-04-28 06:25:26
●A172.67.196.1762026-03-28 → 2026-04-28 · 3 obs
○ 2018-12-16 21:44:48
● 2026-03-28 00:07:08
● 2026-04-28 06:25:26
○A178.128.52.12018-12-16 → 2018-12-16 · 3 obs
● 2018-12-16 21:44:48
○ 2026-03-28 00:07:08
○ 2026-04-28 06:25:26
○A188.114.96.02026-03-28 → 2026-04-28 · 2 obs
○ 2026-03-28 00:07:08
○ 2026-04-28 06:25:26
○A188.114.97.02026-03-28 → 2026-04-28 · 2 obs
○ 2026-03-28 00:07:08
○ 2026-04-28 06:25:26
●A2606:4700:3032::6815:34492026-03-28 → 2026-04-28 · 3 obs
○ 2018-12-16 21:44:48
● 2026-03-28 00:07:08
● 2026-04-28 06:25:26
●A2606:4700:3036::ac43:c4b02026-03-28 → 2026-04-28 · 3 obs
○ 2018-12-16 21:44:48
● 2026-03-28 00:07:08
● 2026-04-28 06:25:26
○A2a06:98c1:3120::2026-03-28 → 2026-04-28 · 2 obs
○ 2026-03-28 00:07:08
○ 2026-04-28 06:25:26
○A2a06:98c1:3121::2026-03-28 → 2026-04-28 · 2 obs
○ 2026-03-28 00:07:08
○ 2026-04-28 06:25:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
swing.com.vnkevin.ns.cloudflare.com, frida.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.137

NS records: kevin.ns.cloudflare.com, frida.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for swing.com.vn (unsigned zone)

⏱️ Timing

Total: 837ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.196.176, 104.21.52.73
AAAA22606:4700:3036::ac43:c4b0, 2606:4700:3032::6815:3449
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.swing.com.vn maps to four IP numbers: 2606:4700:3032::6815:3449, 2606:4700:3036::ac43:c4b0, 104.21.52.73 and 172.67.196.176.

Other host names, for instance ventlar.com.br, centroassistenzavenezia.altervista.org.cdn.cloudflare.net, ifcox.com, zointek.xyz and betiro-de.com share IP numbers with mail.swing.com.vn.