`mx1.estudio21.com.ar`

DNSSEC	⚠️ Not signed
A	200.58.122.206^{🇦🇷 AS27823200.58.122.0/24 LACNIC generated route for Dattatec.com}
		PTR	`mxbkp.hostmar.com`

`estudio21.com.ar`

	DNSSEC	⚠️ Not signed
	A	2800:6c0:2::25b^{🇦🇷 AS278232800:6c0::/32 LACNIC generated route6 for Dattatec.com}
	A	200.58.112.170^{🇦🇷 AS27823200.58.112.0/24 LACNIC generated route for Dattatec.com}
	NS	`ns3.hostmar.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.donweb.com` ⚠️ Not in zone NS records
	NS	`ns2.donweb.com` ⚠️ Not in zone NS records
	NS	`ns4.hostmar.com` ⚠️ Not in parent delegation
	MX	`mail.estudio21.com.ar` ⭐
	MX	`mx1.estudio21.com.ar`⁽²⁰⁾
	TXT	`v=spf1 include:spf.hostmar.com -all`
	SOA	`ns3.hostmar.com`root@hostmar.com 2026-02-21 #3

MX for

estudio21.com.ar

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DNS History

1 record (1 active, 0 former)

●A200.58.122.2062026-03-24 → 2026-03-28 · 2 obs

● 2026-03-24 02:45:06
● 2026-03-28 16:34:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ar	d.dns.ar, f.dns.ar, a.lactld.org, c.dns.ar...	10 records
estudio21.com.ar	ns2.donweb.com, ns1.donweb.com	-

✅ Authoritative Response

Server:200.58.112.193

NS records: ns2.donweb.com, ns1.donweb.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for estudio21.com.ar (unsigned zone)

⏱️ Timing

Total: 757ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`200.58.122.206`

📌 Glue Records Collected

Total: 10

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

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

Analysis

Mail Server Role

mx1.estudio21.com.ar serves as a mail server for estudio21.com.ar.

mail.estudio21.com.ar is commonly used as a mail server alongside mx1.estudio21.com.ar.

IP Addresses

mx1.estudio21.com.ar resolves to one IP number: 200.58.122.206.

Other host names, for instance mx1.buddhaclothing.com.ar, mx1.piensaenmionline.com.ar, mx1.factordev.com, mx1.sistemas-equipos.com.ar and mx1.ng000691.ferozo.com share IP numbers with mx1.estudio21.com.ar.

mx1.estudio21.com.ar - robtex.com