firstprinciples.net - dns.ninja

`firstprinciples.net`

DNSSEC	⚠️ Not signed
A	103.168.172.37^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
		PTR	`www.messagingengine.com`
A	103.168.172.52^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
NS	`ns1.messagingengine.com` ⭐
		A	162.159.24.178^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.messagingengine.com`
NS	`ns2.messagingengine.com`
		A	162.159.25.191^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.messagingengine.com`
MX	`us1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`us2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`v=spf1 include:spf.messagingengine.com ?all`
SOA	`ns1.messagingengine.com`postmaster@messagingengine.com 2026-08-04 #0

`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=1786692639

Same first word

firstprinciples.vc

firstprinciples.org

firstprinciples.ventures

firstprinciples.de

firstprinciples.co

firstprinciples.at

firstprinciples.net

firstprinciples.online

firstprinciples.io

Similar names

principlesfirst.com

DNS History

17 records (6 active, 11 former)

○NSns1.hover.com2015-06-21 → 2017-07-10 · 4 obs

● 2015-06-21 20:43:56
● 2017-07-10 13:11:14
○ 2026-04-07 00:35:06
○ 2026-08-14 07:34:34

●NSns1.messagingengine.com2026-04-07 → 2026-08-14 · 3 obs

○ 2017-07-10 13:11:14
● 2026-04-07 00:35:06
● 2026-08-14 07:34:34

○NSns2.hover.com2015-06-21 → 2017-07-10 · 4 obs

● 2015-06-21 20:43:56
● 2017-07-10 13:11:14
○ 2026-04-07 00:35:06
○ 2026-08-14 07:34:34

●NSns2.messagingengine.com2026-04-07 → 2026-08-14 · 3 obs

○ 2017-07-10 13:11:14
● 2026-04-07 00:35:06
● 2026-08-14 07:34:34

○MXalt1.aspmx.l.google.com2015-06-21 → 2017-07-10 · 4 obs

● 2015-06-21 20:43:56
● 2017-07-10 13:11:14
○ 2026-04-07 00:35:06
○ 2026-08-14 07:34:34

○MXalt2.aspmx.l.google.com2015-06-21 → 2017-07-10 · 4 obs

● 2015-06-21 20:43:56
● 2017-07-10 13:11:14
○ 2026-04-07 00:35:06
○ 2026-08-14 07:34:34

○MXaspmx.l.google.com2015-06-21 → 2017-07-10 · 4 obs

● 2015-06-21 20:43:56
● 2017-07-10 13:11:14
○ 2026-04-07 00:35:06
○ 2026-08-14 07:34:34

○MXaspmx2.googlemail.com2015-06-21 → 2017-07-10 · 4 obs

● 2015-06-21 20:43:56
● 2017-07-10 13:11:14
○ 2026-04-07 00:35:06
○ 2026-08-14 07:34:34

○MXaspmx3.googlemail.com2015-06-21 → 2017-07-10 · 4 obs

● 2015-06-21 20:43:56
● 2017-07-10 13:11:14
○ 2026-04-07 00:35:06
○ 2026-08-14 07:34:34

○MXin1-smtp.messagingengine.com2026-04-07 → 2026-05-23 · 4 obs

○ 2017-07-10 13:11:14
● 2026-04-07 00:35:06
● 2026-05-23 09:44:34
○ 2026-08-14 07:34:34

○MXin2-smtp.messagingengine.com2026-04-07 → 2026-05-23 · 4 obs

○ 2017-07-10 13:11:14
● 2026-04-07 00:35:06
● 2026-05-23 09:44:34
○ 2026-08-14 07:34:34

●MXus1-smtp.messagingengine.com2026-08-14 → 2026-08-14 · 2 obs

○ 2026-05-23 09:44:34
● 2026-08-14 07:34:34

●MXus2-smtp.messagingengine.com2026-08-14 → 2026-08-14 · 2 obs

○ 2026-05-23 09:44:34
● 2026-08-14 07:34:34

●A103.168.172.372026-04-07 → 2026-08-14 · 3 obs

○ 2017-07-10 13:11:14
● 2026-04-07 00:35:06
● 2026-08-14 07:34:34

●A103.168.172.522026-04-07 → 2026-08-14 · 3 obs

○ 2017-07-10 13:11:14
● 2026-04-07 00:35:06
● 2026-08-14 07:34:34

○A64.98.145.302016-12-09 → 2017-07-10 · 5 obs

○ 2016-04-18 16:36:16
● 2016-12-09 01:06:44
● 2017-07-10 13:11:14
○ 2026-04-07 00:35:06
○ 2026-08-14 07:34:34

○A64.99.80.302015-06-21 → 2016-04-18 · 4 obs

● 2015-06-21 20:43:56
● 2016-04-18 16:36:16
○ 2016-12-09 01:06:44
○ 2026-08-14 07:34:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
firstprinciples.net	ns1.messagingengine.com, ns2.messagingengine.com	-

✅ Authoritative Response

Server:162.159.25.191

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstprinciples.net (unsigned zone)

⏱️ Timing

Total: 254ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`103.168.172.37, 103.168.172.52`
NS	2	`ns1.messagingengine.com, ns2.messagingengine.com`
MX	2	`us1-smtp.messagingengine.com (pri: 10), us2-smtp.messagingengine.com (pri: 20)`
TXT	1	`v=spf1 include:spf.messagingengine.com ?`
SOA	1	`ns1.messagingengine.com postmaster.messa`

Analysis

IP Addresses

firstprinciples.net directs to two IP numbers, 103.168.172.37 and 103.168.172.52

Two other host names, along with cognix.com, tmrt.in and shiftarray.com, also share IP numbers with firstprinciples.net.

Name Servers

firstprinciples.net is served by two delegated name servers, ns1.messagingengine.com and ns2.messagingengine.com.

firstprinciples.net shares its NS records with other domains, for example 4ics.com, krul.nu, bobwaycott.com and two others.

firstprinciples.net has at least partial name server overlap with other domains, such as tomandmariesbouncycastles.com, sparkzebra.com, set-point.com and two others.

It is common to see these name servers used together with name servers ns1.bouncycastlenetwork.co.uk and ns2.bouncycastlenetwork.co.uk.

ns1.messagingengine.com directs to 162.159.24.178 and ns2.messagingengine.com directs to 162.159.25.191; each host name points to exactly one IP number.

Mail Servers

firstprinciples.net is served by two mail servers, us1-smtp.messagingengine.com and us2-smtp.messagingengine.com.

Among the domains sharing a mail server setup with firstprinciples.net are stolaw.com, ipdg.com, hpvs01.lookabox.com and two others.

The mail servers of firstprinciples.net are at least partially shared with other domains, including nomuk.net.

DNS names with 8 IP addresses:

us1-smtp.messagingengine.com carries IP addresses 103.168.172.216, 103.168.172.217 and 103.168.172.218, with 5 other addresses beyond those.

Host names that resolve to four IP numbers:

us2-smtp.messagingengine.com has four IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.