`mail.mastermedia.com.ar`

DNSSEC	⚠️ Not signed
A	2800:6c0:2::290^{🇦🇷 AS278232800:6c0::/32 LACNIC generated route6 for Dattatec.com}
		PTR	`c255.dattaweb.com`
A	200.58.111.54^{🇦🇷 AS27823200.58.111.0/24 LACNIC generated route for Dattatec.com}

`mastermedia.com.ar`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:19b1^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:866f^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.25.177^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.111^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dina.ns.cloudflare.com` ⭐
NS	`leland.ns.cloudflare.com`
MX	`mail.mastermedia.com.ar` ⭐
MX	`mx1.mastermedia.com.ar`⁽²⁰⁾
TXT	`v=spf1 include:spf.hostmar.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.25.177, 172.67.134.111
		IPv6 hints	2606:4700:3033::6815:19b1, 2606:4700:3034::ac43:866f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com
SOA	`dina.ns.cloudflare.com`dns@cloudflare.com serial=2402376381

MX for

mastermedia.com.ar

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DNS History

2 records (2 active, 0 former)

●A200.58.111.542026-02-16 → 2026-04-25 · 2 obs

● 2026-02-16 11:32:00
● 2026-04-25 04:16:20

●A2800:6c0:2::2902026-02-16 → 2026-04-25 · 2 obs

● 2026-02-16 11:32:00
● 2026-04-25 04:16:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ar	a.lactld.org, c.dns.ar, d.dns.ar, e.dns.ar...	10 records
mastermedia.com.ar	dina.ns.cloudflare.com, leland.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.107

NS records: dina.ns.cloudflare.com, leland.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastermedia.com.ar (unsigned zone)

⏱️ Timing

Total: 260ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`200.58.111.54`
AAAA	1	`2800:6c0:2::290`

📌 Glue Records Collected

Total: 10

In-bailiwick: 8 (c.dns.ar, d.dns.ar, e.dns.ar...)

Out-of-bailiwick: 2 (a.lactld.org, a.lactld.org)

Analysis

Mail Server Role

mail.mastermedia.com.ar serves as the mail server for mastermedia.com.ar.

mx1.mastermedia.com.ar is commonly used as a mail server with mail.mastermedia.com.ar.

IP Addresses

The entity mail.mastermedia.com.ar points to two IP numbers: 2800:6c0:2::290 and 200.58.111.54.

For instance, other host names mail.mobile.com.ar, mail.portasol.com.ar, mail.estanciasantaelena.com.ar, mail.visualinsumos.com.ar and mail.reapzone.com.ar share IP numbers with mail.mastermedia.com.ar.

mail.mastermedia.com.ar - robtex.com