🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`linearmicrosystems.com`

DNSSEC	⚠️ Not signed
A	50.28.36.213^{🇺🇸 LiquidWeb50.28.0.0/18 Liquidweb Inc}
NS	`ns1.domaindiscover.com` ⭐
		A	72.1.32.151^{🇺🇸 Amazon72.1.32.0/21 EC2 Prefix}
			PTR	`ns1.domaindiscover.com`
NS	`ns2.domaindiscover.com`
		A	35.174.37.23^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
			PTR	`ec2-35-174-37-23.compute-1.amazonaws.com`
MX	`linearmicrosystems-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr02cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-blapr04cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn3pr0501cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::16^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch2pr02cu00206.inbound.protection.outlook.com`
		A	52.101.8.38^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm3pr04cu00106.inbound.protection.outlook.com`
		A	52.101.10.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00204.inbound.protection.outlook.com`
		A	52.101.11.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.41.192^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00400.inbound.protection.outlook.com`
TXT	`9eqv5dl7ln4mbd59hji1s4afnv`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.domaindiscover.com`hostmaster@tierra.net 2026-09-15 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1794312591

Same first word

linearmicrosystems.com

linearmicrosystems.us

linearmicrosystems.net

Previous names

Next names

DNS History

6 records (4 active, 2 former)

●NSns1.domaindiscover.com2015-06-19 → 2026-11-10 · 2 obs

● 2015-06-19 09:38:00
● 2026-11-10 12:29:14

●NSns2.domaindiscover.com2015-06-19 → 2026-11-10 · 2 obs

● 2015-06-19 09:38:00
● 2026-11-10 12:29:14

●MXlinearmicrosystems-com.mail.protection.outlook.com2015-06-19 → 2026-11-10 · 2 obs

● 2015-06-19 09:38:00
● 2026-11-10 12:29:14

○A108.178.44.102020-01-19 → 2020-01-19 · 4 obs

○ 2017-01-23 23:21:56
● 2020-01-19 11:24:52
○ 2026-09-26 04:46:38
○ 2026-11-10 12:29:14

○A216.104.173.492015-06-19 → 2017-01-23 · 4 obs

● 2015-06-19 09:38:00
● 2017-01-23 23:21:56
○ 2020-01-19 11:24:52
○ 2026-11-10 12:29:14

●A50.28.36.2132026-09-26 → 2026-11-10 · 3 obs

○ 2020-01-19 11:24:52
● 2026-09-26 04:46:38
● 2026-11-10 12:29:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
linearmicrosystems.com	ns1.domaindiscover.com, ns2.domaindiscover.com	2 records

✅ Authoritative Response

Server:72.1.32.151

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linearmicrosystems.com (unsigned zone)

⏱️ Timing

Total: 329ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.28.36.213`
NS	2	`ns1.domaindiscover.com, ns2.domaindiscover.com`
MX	1	`linearmicrosystems-com.mail.protection.o`
TXT	2	`9eqv5dl7ln4mbd59hji1s4afnv, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.domaindiscover.com hostmaster.tierra`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

linearmicrosystems.com has exactly one IP address — 50.28.36.213.

alpinelawgroup.com, cjpa.org, thinkprogressive.com plus two other host names have IP numbers in common with linearmicrosystems.com.

Name Servers

The NS records for linearmicrosystems.com delegate to ns1.domaindiscover.com and ns2.domaindiscover.com.

The name server configuration of linearmicrosystems.com is shared with other domains, for instance hope-in-crisis.net, legacytable.org, accepthimnow.org and two others.

linearmicrosystems.com partially shares its NS delegation with several other domains, including prekas.net, achievewealthonline.com, sparkspix.com and two others.

These name servers are regularly seen alongside ns1.tierra.net and ns2.tierra.net as name servers.

ns1.domaindiscover.com resolves to 72.1.32.151. ns2.domaindiscover.com resolves to 35.174.37.23. Both host names point to a single IP number.

Mail Servers

linearmicrosystems.com uses one mail server — linearmicrosystems-com.mail.protection.outlook.com.

linearmicrosystems-com.mail.protection.outlook.com has 8 IP addresses: 52.101.8.38, 52.101.10.12, 52.101.11.17 plus 5 more.

linearmicrosystems.com - robtex.com