`exchange3.usmc.com`

DNSSEC	⚠️ Not signed
A	50.6.160.103^{🇺🇸 ORACLE-OCI-3189850.6.160.0/23 Oracle Corporation}
		PTR	`50-6-160-103.unifiedlayer.com`

`usmc.com`

	DNSSEC	⚠️ Not signed
	A	50.6.160.103^{🇺🇸 ORACLE-OCI-3189850.6.160.0/23 Oracle Corporation}
	NS	`ns33.worldnic.com` ⭐
	NS	`ns34.worldnic.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
	MX	`alt2.aspmx.l.google.com`⁽³⁰⁾
	MX	`aspmx2.googlemail.com`⁽⁴⁰⁾
	MX	`aspmx3.googlemail.com`⁽⁵⁰⁾
	TXT	`v=spf1 include:_spf.google.com ~all`
	TXT	`google-site-verification=rhYKL74nyNN2cvVmG0_VpUCa7x6rttcyPmfzusEne7Q`
	SOA	`NS33.WORLDNIC.com`namehost@WORLDNIC.com serial=124010210

WOT: UNKNOWN (50/100)

Previously MX for

usmc.com

Same first word

exchange3.com

DNS History

2 records (1 active, 1 former)

●A50.6.160.1032026-02-15 → 2026-07-15 · 3 obs

○ 2019-08-27 05:37:26
● 2026-02-15 00:54:50
● 2026-07-15 04:19:24

○A66.114.234.2402015-06-22 → 2019-08-27 · 4 obs

● 2015-06-22 08:55:56
● 2019-08-27 05:37:26
○ 2026-02-15 00:54:50
○ 2026-07-15 04:19:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
usmc.com	ns33.worldnic.com, ns34.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.212

NS records: ns33.worldnic.com, ns34.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usmc.com (unsigned zone)

⏱️ Timing

Total: 937ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.6.160.103`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns33.worldnic.com, ns34.worldnic.com)

Analysis

IP Addresses

exchange3.usmc.com resolves to just one IP address, 50.6.160.103.

Two other host names, along with www.usmc.com, mail.powellsnet.com and cssnewport.org, also share IP numbers with exchange3.usmc.com.

exchange3.usmc.com - robtex.com