`engineerintheclassroom.net`

DNSSEC	⚠️ Not signed
A	166.21.241.209^{🇺🇸 AS6075166.21.241.0/24}
A	166.23.250.209^{🇺🇸 AS6075166.23.250.0/24}
NS	`ns1.lmco.com` ⭐
		A	192.30.247.5^{🇺🇸 AS6075192.30.247.0/24 Prolexic Technologies, Inc.}
			PTR	`ns1.lmco.com`
NS	`ns2.lmco.com` ⚠️ Not in zone NS records
		A	192.28.125.133^{🇬🇧 AS6075192.28.125.0/24}
			PTR	`ns2.lmco.com`
NS	`ns3.lmco.com`
		A	192.35.35.5^{🇺🇸 AS6075192.35.35.0/24 Prolexic Technologies, Inc.}
			PTR	`ns3.lmco.com`
MX	`mailfi01.lmco.com` ⭐
		A	192.30.247.9^{🇺🇸 AS6075192.30.247.0/24 Prolexic Technologies, Inc.}
			PTR	`mailfi01.lmco.com`
MX	`mailfi02.lmco.com` ⭐
		A	192.30.247.10^{🇺🇸 AS6075192.30.247.0/24 Prolexic Technologies, Inc.}
			PTR	`mailfi02.lmco.com`
MX	`mailfi03.lmco.com` ⭐
		A	192.30.247.11^{🇺🇸 AS6075192.30.247.0/24 Prolexic Technologies, Inc.}
			PTR	`mailfi03.lmco.com`
MX	`mailfi05.lmco.com` ⭐
		A	192.35.35.10^{🇺🇸 AS6075192.35.35.0/24 Prolexic Technologies, Inc.}
			PTR	`mailfi05.lmco.com`
MX	`mailfi06.lmco.com` ⭐
		A	192.35.35.11^{🇺🇸 AS6075192.35.35.0/24 Prolexic Technologies, Inc.}
			PTR	`mailfi06.lmco.com`
TXT	`v=spf1 -all`
SOA	`ns1.lmco.com`lm-nic@lmco.com serial=140

`net`

	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=1771291465

engineerintheclassroom.org

engineerintheclassroom.net

engineerintheclassroom.com

13 records (10 active, 3 former)

●NSns1.lmco.com2015-06-11 → 2026-03-12 · 2 obs

● 2015-06-11 06:03:54
● 2026-03-12 10:45:18

●NSns2.lmco.com2015-06-11 → 2026-03-12 · 2 obs

● 2015-06-11 06:03:54
● 2026-03-12 10:45:18

●NSns3.lmco.com2015-06-11 → 2026-03-12 · 2 obs

● 2015-06-11 06:03:54
● 2026-03-12 10:45:18

●MXmailfi01.lmco.com2015-06-11 → 2026-03-12 · 2 obs

● 2015-06-11 06:03:54
● 2026-03-12 10:45:18

●MXmailfi02.lmco.com2015-06-11 → 2026-03-12 · 2 obs

● 2015-06-11 06:03:54
● 2026-03-12 10:45:18

●MXmailfi03.lmco.com2015-06-11 → 2026-03-12 · 2 obs

● 2015-06-11 06:03:54
● 2026-03-12 10:45:18

○MXmailfi04.lmco.com2015-06-11 → 2017-05-27 · 4 obs

● 2015-06-11 06:03:54
● 2017-05-27 23:43:36
○ 2026-03-01 12:45:24
○ 2026-03-12 10:45:18

●MXmailfi05.lmco.com2015-06-11 → 2026-03-12 · 2 obs

● 2015-06-11 06:03:54
● 2026-03-12 10:45:18

●MXmailfi06.lmco.com2015-06-11 → 2026-03-12 · 2 obs

● 2015-06-11 06:03:54
● 2026-03-12 10:45:18

●A166.21.241.2092026-03-01 → 2026-03-12 · 3 obs

○ 2017-05-27 23:43:36
● 2026-03-01 12:45:24
● 2026-03-12 10:45:18

○A166.21.250.2092017-05-27 → 2017-05-27 · 4 obs

○ 2016-09-22 07:30:36
● 2017-05-27 23:43:36
○ 2026-03-01 12:45:24
○ 2026-03-12 10:45:18

○A166.21.250.592015-06-11 → 2016-09-22 · 4 obs

● 2015-06-11 06:03:54
● 2016-09-22 07:30:36
○ 2017-05-27 23:43:36
○ 2026-03-12 10:45:18

●A166.23.250.2092026-03-01 → 2026-03-12 · 3 obs

○ 2017-05-27 23:43:36
● 2026-03-01 12:45:24
● 2026-03-12 10:45:18

engineerintheclassroom.net resolves to two IP numbers: 166.21.241.209 and 166.23.250.209.

Other host names, for instance jsftraining.net, lockheedmartincorp.com, lockheedmartin.co.nz, f-35lightning2.eu and lockheedemerson.com share IP numbers with engineerintheclassroom.net.

engineerintheclassroom.net delegates to three name servers: ns1.lmco.com, ns2.lmco.com and ns3.lmco.com.

engineerintheclassroom.net shares some name servers with other domains, for example 160.91.192.in-addr.arpa, jsf.company, lmlcsteam.com, skunkworksdesign.com and radiant-mercury.org.

engineerintheclassroom.net shares some mail servers with other domains, at least partially; for instance gcss-af.com, edpsvext21.lmco.com, intmail.lmco.com, mta.lmco.com and post.lmco.com.