`mail6722.mkt7321.com`

DNSSEC	⚠️ Not signed
A	74.121.52.142^{🇺🇸 Amazon74.121.52.0/24 EC2 Prefix}
		PTR	`mail6722.daubalderney.mkt7321.com`
MX	`mail6722.mkt7321.com` ⭐
		A	74.121.52.142^{🇺🇸 Amazon74.121.52.0/24 EC2 Prefix}
			PTR	`mail6722.daubalderney.mkt7321.com`
TXT	`v=spf1 ip4:74.121.52.142 -all`

`mkt7321.com`

	DNSSEC	⚠️ Not signed
	A	34.198.163.192^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
	A	174.129.214.57^{🇺🇸 Amazon174.129.0.0/16 Execution Services}
	NS	`ns1.acoustic-adm.com` ⭐
	NS	`ns2.acoustic-adm.com`
	NS	`ns3.acoustic-adm.com`
	NS	`ns4.acoustic-adm.com`
	MX	`reply.mkt7321.com` ⭐
	MX	`mail6722.mkt7321.com`⁽²⁰⁾
	TXT	`v=spf1 ip4:74.121.52.142 -all`
	SOA	`ns1.acoustic-adm.com`awsdns-hostmaster@amazon.com serial=1

MX for

mkt7321.com

mail6722.mkt7321.com

DNS History

2 records (2 active, 0 former)

●MXmail6722.mkt7321.com2017-09-05 → 2026-04-12 · 2 obs

● 2017-09-05 16:16:06
● 2026-04-12 01:55:52

●A74.121.52.1422017-09-05 → 2026-04-12 · 2 obs

● 2017-09-05 16:16:06
● 2026-04-12 01:55:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mkt7321.com	ns1.acoustic-adm.com, ns2.acoustic-adm.com, ns3.acoustic-adm.com, ns4.acoustic-adm.com	8 records

✅ Authoritative Response

Server:205.251.194.123

NS records: ns1.acoustic-adm.com, ns2.acoustic-adm.com, ns3.acoustic-adm.com, ns4.acoustic-adm.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mkt7321.com (unsigned zone)

⏱️ Timing

Total: 174ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.121.52.142`
MX	1	`mail6722.mkt7321.com (pri: 5)`
TXT	1	`v=spf1 ip4:74.121.52.142 -all`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.acoustic-adm.com, ns1.acoustic-adm.com, ns2.acoustic-adm.com...)

Analysis

Mail Server Role

mail6722.mkt7321.com serves as a mail server for mkt7321.com and mail6722.mkt7321.com.

For mail handling, reply.mkt7321.com serves as a mail server together with mail6722.mkt7321.com.

IP Addresses

mail6722.mkt7321.com points to a single IP number: 74.121.52.142.

Other host names such as mail4165.mkt4762.com and mail6722.daubalderney.mkt7321.com share IP numbers with mail6722.mkt7321.com.

Mail Servers

A single mail server handles mail6722.mkt7321.com.

mail6722.mkt7321.com shares some mail servers with other domains at least partially, for example mkt7321.com.

mail6722.mkt7321.com points to a single IP: 74.121.52.142.

mail6722.mkt7321.com - robtex.com