🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.duo75.com`

DNSSEC	⚠️ Not signed
A	2800:6c0:2::a:10f^{🇦🇷 AS278232800:6c0::/32 LACNIC generated route6 for Dattatec.com}
		PTR	`a010.dattaweb.com`
A	200.58.112.67^{🇦🇷 AS27823200.58.112.0/24 LACNIC generated route for Dattatec.com}

`duo75.com`

	DNSSEC	⚠️ Not signed
	A	2800:6c0:2::a:10f^{🇦🇷 AS278232800:6c0::/32 LACNIC generated route6 for Dattatec.com}
	A	200.58.112.67^{🇦🇷 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.duo75.com` ⭐
	MX	`mx1.duo75.com`⁽²⁰⁾
	TXT	`v=spf1 include:comp.hostmar.com -all`
	SOA	`ns3.hostmar.com`root@hostmar.com 2026-07-29 #0

MX for

duo75.com

Same first word

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DNS History

2 records (2 active, 0 former)

●A200.58.112.672026-07-20 → 2026-08-17 · 2 obs

● 2026-07-20 12:49:56
● 2026-08-17 10:39:50

●A2800:6c0:2::a:10f2026-07-20 → 2026-08-17 · 2 obs

● 2026-07-20 12:49:56
● 2026-08-17 10:39:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
duo75.com	ns1.donweb.com, ns2.donweb.com	2 records

✅ Authoritative Response

Server:200.58.112.193

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duo75.com (unsigned zone)

⏱️ Timing

Total: 369ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`200.58.112.67`
AAAA	1	`2800:6c0:2::a:10f`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.donweb.com, ns2.donweb.com)

Analysis

Mail Server Role

The mail server mail.duo75.com processes email for duo75.com.

mx1.duo75.com and mail.duo75.com are commonly paired as mail servers.

IP Addresses

mail.duo75.com directs to two IP numbers, 200.58.112.67 and 2800:6c0:2::a:10f

Two other host names, along with mail.chewine.com, mail.ejuridicourquiza.com.ar and mail.alimenpes.com, also share IP numbers with mail.duo75.com.

mail.duo75.com - robtex.com

mail.duo75.com

duo75.com