mail.dungn.com - robtex.com

mail.dungn.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d59c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:25db🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.37.219Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.213.156🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.37.219, 172.67.213.156
IPv6 hints2606:4700:3032::ac43:d59c, 2606:4700:3034::6815:25db
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=146, name=cloudflare-ech.com

dungn.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d59c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:25db🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.37.219Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.213.156🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgeorgia.ns.cloudflare.com ⭐
NSpeter.ns.cloudflare.com
MXroute2.mx.cloudflare.net ⭐
MXroute1.mx.cloudflare.net(60)
MXroute3.mx.cloudflare.net(70)
TXTsendinblue-code:e89597e55ad7a1927c978356df67953d
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
TXTzoho-verification=zb71742000.zmverify.zoho.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.37.219, 172.67.213.156
IPv6 hints2606:4700:3032::ac43:d59c, 2606:4700:3034::6815:25db
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=146, name=cloudflare-ech.com
SOAgeorgia.ns.cloudflare.comdns@cloudflare.com serial=2409031015

Previously MX for

dungn.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.37.219172.67.213.1562606:4700:3032::ac43:d59c2606:4700:3034::6815:25db62.75.141.63
●A104.21.37.2192026-07-14 → 2026-08-01 · 3 obs
○ 2016-04-12 23:56:12
● 2026-07-14 20:02:08
● 2026-08-01 15:50:50
●A172.67.213.1562026-07-14 → 2026-08-01 · 3 obs
○ 2016-04-12 23:56:12
● 2026-07-14 20:02:08
● 2026-08-01 15:50:50
●A2606:4700:3032::ac43:d59c2026-07-14 → 2026-08-01 · 3 obs
○ 2016-04-12 23:56:12
● 2026-07-14 20:02:08
● 2026-08-01 15:50:50
●A2606:4700:3034::6815:25db2026-07-14 → 2026-08-01 · 3 obs
○ 2016-04-12 23:56:12
● 2026-07-14 20:02:08
● 2026-08-01 15:50:50
○A62.75.141.632015-06-22 → 2016-04-12 · 4 obs
● 2015-06-22 15:59:10
● 2016-04-12 23:56:12
○ 2026-07-14 20:02:08
○ 2026-08-01 15:50:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net...-
dungn.comgeorgia.ns.cloudflare.com, peter.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.48

NS records: georgia.ns.cloudflare.com, peter.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dungn.com (unsigned zone)

⏱️ Timing

Total: 148ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.213.156, 104.21.37.219
AAAA22606:4700:3034::6815:25db, 2606:4700:3032::ac43:d59c
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.dungn.com points to the four IP addresses 104.21.37.219, 172.67.213.156, 2606:4700:3032::ac43:d59c and 2606:4700:3034::6815:25db.

(0x706f726e)o-lesbijoux.blogfree.net, ns004dns.lesbijoux.blogfree.net, search.adolfodomindodieta.blogfree.net plus two other host names have IP numbers in common with mail.dungn.com.