`mail2.extechinstruments.com`

	DNSSEC	⚠️ Not signed
	A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}

`extechinstruments.com`

	DNSSEC	⚠️ Not signed
	A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}
	NS	`ns1.markmonitor.com` ⭐
	NS	`ns2.markmonitor.com`
	NS	`ns3.markmonitor.com`
	NS	`ns4.markmonitor.com`
	NS	`ns5.markmonitor.com`
	NS	`ns6.markmonitor.com`
	NS	`ns7.markmonitor.com`
	SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2015-08-19 #2

Previously MX for

extechinstruments.com

Same first word

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DNS History

3 records (1 active, 2 former)

●A3.33.139.322026-07-04 → 2026-07-16 · 3 obs

○ 2016-04-14 07:31:46
● 2026-07-04 12:02:48
● 2026-07-16 07:42:06

○A68.232.129.2152015-06-07 → 2015-06-07 · 3 obs

● 2015-06-07 22:51:02
○ 2015-10-28 01:39:10
○ 2026-07-16 07:42:06

○A72.52.10.142015-10-28 → 2016-04-14 · 5 obs

○ 2015-06-07 22:51:02
● 2015-10-28 01:39:10
● 2016-04-14 07:31:46
○ 2026-07-04 12:02:48
○ 2026-07-16 07:42:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
extechinstruments.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com...	14 records

✅ Authoritative Response

Server:176.97.158.3

NS records: ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com, ns7.markmonitor.com, ns2.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extechinstruments.com (unsigned zone)

⏱️ Timing

Total: 173ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.33.139.32`

📌 Glue Records Collected

Total: 14

Out-of-bailiwick: 14 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)

Analysis

IP Addresses

mail2.extechinstruments.com resolves to just one IP address, 3.33.139.32.

Two other host names, along with certilogo.us, nikejohnkuhnjersey.com and great-cloud.com, also share IP numbers with mail2.extechinstruments.com.

mail2.extechinstruments.com - robtex.com