`mail.rstinstruments.com`

	DNSSEC	⚠️ Not signed
	A	162.159.140.206^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	172.66.0.204^{🇺🇸 Cloudflare172.66.0.0/22 , Inc. 101 Townsend Street, San Francisco, California 94107, US}

`rstinstruments.com`

	DNSSEC	⚠️ Not signed
	A	162.159.140.206^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	172.66.0.204^{🇺🇸 Cloudflare172.66.0.0/22 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	NS	`ns67.worldnic.com` ⭐
	NS	`ns68.worldnic.com`
	MX	`rstinstruments-com.mail.protection.outlook.com` ⭐
	TXT	`atlassian-domain-verification=Hwda2RJ3a5gaSg2tJC/e03k1tat6XcIJgs64fxVgEWj1OI6...`
	TXT	`rdpdson08n4kp2f30q8fmc5j17`
	TXT	`v=DMARC1; p=none; pct=100; rua=mailto:dmarc.report@rstinstruments.com,mailto:...`
	TXT	`duo_sso_verification=eV5etkWWBiYGV3KsZy5vqBZTMHO8DmJGqNzjBuOJqiUBbgXcbloaQT5F...`
	TXT	`6tce48flvg1jf5shpg6j7bram4`
	TXT	`MS=ms39684455`
	TXT	`pardot956512=4d65d9f633d7676a0b24dfdb5e667067498a3cb3564ec9b3a2b326de138e2950`
	TXT	`google-site-verification=ArO4IvveIiRutP1ewtVDZIY9tBE-c2WFP_5KNsQuybM`
	TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ~all`
	SOA	`NS67.WORLDNIC.com`namehost@WORLDNIC.com serial=125101013

WOT: SAFE (61/100)

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DNS History

4 records (2 active, 2 former)

●A162.159.140.2062026-03-28 → 2026-03-28 · 2 obs

○ 2016-07-21 00:07:26
● 2026-03-28 06:08:06

●A172.66.0.2042026-03-28 → 2026-03-28 · 2 obs

○ 2016-07-21 00:07:26
● 2026-03-28 06:08:06

○A184.71.154.1542015-05-25 → 2016-07-21 · 4 obs

○ 2008-05-04 22:36:38
● 2015-05-25 10:10:14
● 2016-07-21 00:07:26
○ 2026-03-28 06:08:06

○A70.68.160.342008-05-04 → 2008-05-04 · 3 obs

● 2008-05-04 22:36:38
○ 2015-05-25 10:10:14
○ 2026-03-28 06:08:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net...	-
rstinstruments.com	ns67.worldnic.com, ns68.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.127

NS records: ns67.worldnic.com, ns68.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rstinstruments.com (unsigned zone)

⏱️ Timing

Total: 234ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`162.159.140.206, 172.66.0.204`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns67.worldnic.com, ns68.worldnic.com)

Analysis

IP Addresses

mail.rstinstruments.com points to two IP numbers: 162.159.140.206 and 172.66.0.204.

Other host names, for instance measurand.com, www.navstar.com, rstinstruments.com, 3vgeomatics.com and navstar.com share IP numbers with mail.rstinstruments.com.

mail.rstinstruments.com - robtex.com