firstprinciples.io - dns.ninja

`firstprinciples.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:3d44^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:cf33^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.68^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.207.51^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`laura.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`laura.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`laura.ns.cloudflare.com`
		A	108.162.192.183^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	172.64.32.183^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	173.245.58.183^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
NS	`norm.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norm.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c186^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`norm.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2186^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`norm.ns.cloudflare.com`
		A	108.162.193.134^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norm.ns.cloudflare.com`
		A	172.64.33.134^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norm.ns.cloudflare.com`
		A	173.245.59.134^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norm.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c2d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ry-in-f27.1e100.net`
		A	172.253.139.26^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`mxa.mailgun.org`⁽¹⁰⁾
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org`⁽¹⁰⁾
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
TXT	`asv=0fe5095d98fd6977482f966e7ac6a38b`
TXT	`atlassian-domain-verification=agfgqcVIHSUzaabdCQ21teva5ykmavwdsxxFxVtfaH9VHLj...`
TXT	`google-site-verification=2y00qvY3WmVW6mD8hwAM2ibo-dvYKBhPBCXwq5uZaJw`
TXT	`google-site-verification=HCTzTcVPAD9CD1ua-74ScCycgcGgPWkNWGT-Q--rzEg`
TXT	`v=spf1 include:_spf.google.com ~all`
TXT	`v=spf1 include:mailgun.org ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.61.68, 172.67.207.51
		IPv6 hints	2606:4700:3033::6815:3d44, 2606:4700:3037::ac43:cf33
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com
SOA	`laura.ns.cloudflare.com`dns@cloudflare.com serial=2408769461

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1786722963

Same first word

firstprinciples.co

firstprinciples.at

firstprinciples.net

firstprinciples.online

firstprinciples.io

firstprinciples.vc

firstprinciples.org

firstprinciples.ventures

firstprinciples.de

Similar names

principlesfirst.com

DNS History

17 records (12 active, 5 former)

●NSlaura.ns.cloudflare.com2026-02-14 → 2026-08-14 · 2 obs

● 2026-02-14 20:52:00
● 2026-08-14 16:16:58

●NSnorm.ns.cloudflare.com2026-02-14 → 2026-08-14 · 2 obs

● 2026-02-14 20:52:00
● 2026-08-14 16:16:58

●MXalt2.aspmx.l.google.com2026-02-14 → 2026-08-14 · 2 obs

● 2026-02-14 20:52:00
● 2026-08-14 16:16:58

●MXaspmx.l.google.com2026-02-14 → 2026-08-14 · 2 obs

● 2026-02-14 20:52:00
● 2026-08-14 16:16:58

●MXaspmx2.googlemail.com2026-02-14 → 2026-08-14 · 2 obs

● 2026-02-14 20:52:00
● 2026-08-14 16:16:58

●MXaspmx3.googlemail.com2026-02-14 → 2026-08-14 · 2 obs

● 2026-02-14 20:52:00
● 2026-08-14 16:16:58

●MXmxa.mailgun.org2026-02-14 → 2026-08-14 · 2 obs

● 2026-02-14 20:52:00
● 2026-08-14 16:16:58

●MXmxb.mailgun.org2026-02-14 → 2026-08-14 · 2 obs

● 2026-02-14 20:52:00
● 2026-08-14 16:16:58

●A104.21.61.682026-02-14 → 2026-08-14 · 5 obs

● 2026-02-14 20:52:00
○ 2026-02-24 22:05:44
● 2026-04-24 08:27:52
○ 2026-08-03 10:57:32
● 2026-08-14 16:16:58

●A172.67.207.512026-02-14 → 2026-08-14 · 5 obs

● 2026-02-14 20:52:00
○ 2026-02-24 22:05:44
● 2026-04-24 08:27:52
○ 2026-08-03 10:57:32
● 2026-08-14 16:16:58

○A188.114.96.02026-02-24 → 2026-08-03 · 5 obs

○ 2026-02-14 20:52:00
● 2026-02-24 22:05:44
○ 2026-04-24 08:27:52
● 2026-08-03 10:57:32
○ 2026-08-14 16:16:58

○A188.114.97.02026-02-24 → 2026-08-03 · 5 obs

○ 2026-02-14 20:52:00
● 2026-02-24 22:05:44
○ 2026-04-24 08:27:52
● 2026-08-03 10:57:32
○ 2026-08-14 16:16:58

●A2606:4700:3033::6815:3d442026-07-08 → 2026-08-14 · 4 obs

○ 2026-05-18 05:04:52
● 2026-07-08 22:53:46
○ 2026-08-03 10:57:32
● 2026-08-14 16:16:58

○A2606:4700:3035::6815:3d442026-02-14 → 2026-05-18 · 6 obs

● 2026-02-14 20:52:00
○ 2026-02-24 22:05:44
● 2026-04-24 08:27:52
● 2026-05-18 05:04:52
○ 2026-07-08 22:53:46
○ 2026-08-14 16:16:58

●A2606:4700:3037::ac43:cf332026-02-14 → 2026-08-14 · 5 obs

● 2026-02-14 20:52:00
○ 2026-02-24 22:05:44
● 2026-04-24 08:27:52
○ 2026-08-03 10:57:32
● 2026-08-14 16:16:58

○A2a06:98c1:3120::2026-02-24 → 2026-08-03 · 5 obs

○ 2026-02-14 20:52:00
● 2026-02-24 22:05:44
○ 2026-04-24 08:27:52
● 2026-08-03 10:57:32
○ 2026-08-14 16:16:58

○A2a06:98c1:3121::2026-02-24 → 2026-08-03 · 5 obs

○ 2026-02-14 20:52:00
● 2026-02-24 22:05:44
○ 2026-04-24 08:27:52
● 2026-08-03 10:57:32
○ 2026-08-14 16:16:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io	-
firstprinciples.io	norm.ns.cloudflare.com, laura.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.134

NS records: norm.ns.cloudflare.com, laura.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstprinciples.io (unsigned zone)

⏱️ Timing

Total: 468ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.207.51, 104.21.61.68`
AAAA	2	`2606:4700:3037::ac43:cf33, 2606:4700:3033::6815:3d44`
NS	2	`laura.ns.cloudflare.com, norm.ns.cloudflare.com`
MX	6	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	6	`asv=0fe5095d98fd6977482f966e7ac6a38b, atlassian-domain-verification=agfgqcVIHS...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`laura.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

firstprinciples.io directs to four IP numbers, which are 104.21.61.68, 172.67.207.51, 2606:4700:3033::6815:3d44 and 2606:4700:3037::ac43:cf33.

Among the host names that share IP numbers with firstprinciples.io are poker10.net, hopealivehealthcare.org, smtp.scureserver.net and two others.

Name Servers

DNS delegation for firstprinciples.io points to two name servers: laura.ns.cloudflare.com and norm.ns.cloudflare.com.

firstprinciples.io has the same name server delegation as a number of other domains, such as kafalarmetin2.com, cheaptickets.co.in, imagineethiopiatours.com and two more.

At least some of firstprinciples.io's name servers are shared with other domains, for example retbo.com, easywebpro.com, farmpu.com and two more.

These name servers are often deployed together with the name servers augustus.ns.cloudflare.com, lady.ns.cloudflare.com, carter.ns.cloudflare.com and jaime.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

laura.ns.cloudflare.com has IP addresses 108.162.192.183, 172.64.32.183 and 173.245.58.183, plus 3 other.

norm.ns.cloudflare.com has IP addresses 108.162.193.134, 172.64.33.134 and 173.245.59.134, plus 3 other.

Mail Servers

firstprinciples.io uses 6 mail servers for delivery: aspmx2.googlemail.com, aspmx3.googlemail.com, mxa.mailgun.org and 3 other.

firstprinciples.io shares at least some of its mail servers with other domains — for example parowfuneralhome.com, coparnet.com, ns500699.ns500693.ns500693.ns500693.ns500693.ns500734.ns500588.ns500693.ns500683.ns500699.ns500699.ns500699.ns500693.ns500699.ns500602.dtrkdll.com and two more.

It is common to find these mail servers paired with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 5 more.

Hosts with two IP numbers each:

aspmx2.googlemail.com has two IP addresses: 192.178.234.27 and 2800:3f0:4003:c14::1b.

aspmx3.googlemail.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com has two IP addresses: 172.253.139.26 and 2607:f8b0:4004:c2d::1b.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

Hosts that resolve to one IP address:

mxa.mailgun.org directs to 34.36.182.139.

mxb.mailgun.org directs to 34.36.182.139.

Host names pointing to 172.253.116.26 IP addresses: aspmx3.googlemail.com and alt2.aspmx.l.google.com.

Host names pointing to 34.36.182.139 IP addresses: mxa.mailgun.org and mxb.mailgun.org.