`investorcodex.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:16e:df01::258^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:16e:df01::259^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	18.208.88.157^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
A	98.84.224.111^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
NS	`dns1.p01.nsone.net` ⭐
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p01.nsone.net`
NS	`dns1.p03.nsone.net`
		A	2620:4d:4000:6259:7:3:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p03.nsone.net`
		A	198.51.44.3^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p03.nsone.net`
NS	`dns2.p03.nsone.net`
		A	2a00:edc0:6259:7:3::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p03.nsone.net`
		A	198.51.45.3^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p03.nsone.net`
NS	`dns3.p03.nsone.net`
		A	2620:4d:4000:6259:7:3:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p03.nsone.net`
		A	198.51.44.67^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p03.nsone.net`
NS	`dns4.p03.nsone.net`
		A	2a00:edc0:6259:7:3::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p03.nsone.net`
		A	198.51.45.67^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p03.nsone.net`
MX	`inbound-smtp.ap-northeast-1.amazonaws.com` ⭐
		A	3.113.208.143^{🇯🇵 Amazon3.112.0.0/14 EC2 NRT prefix}
			PTR	`ec2-3-113-208-143.ap-northeast-1.compute.amazonaws.com`
		A	18.178.141.61^{🇯🇵 Amazon18.178.0.0/16 EC2 NRT prefix}
			PTR	`ec2-18-178-141-61.ap-northeast-1.compute.amazonaws.com`
		A	52.195.95.66^{🇯🇵 Amazon52.194.0.0/15 EC2 NRT prefix}
			PTR	`ec2-52-195-95-66.ap-northeast-1.compute.amazonaws.com`
TXT	`resend-domain-verification=8832475ad27dab5c86ed51ebe24777b8`
TXT	`google-site-verification=UKlGomEZ666mvWwJD8R8uCa-8ixHXGC8-sG_xxWZjVU`
SOA	`dns1.p01.nsone.net`domains+netlify@netlify.com serial=1775659092

`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=1784120962

Same first word

investorcodex.com

DNS History

18 records (10 active, 8 former)

●NSdns1.p01.nsone.net2026-06-10 → 2026-07-15 · 2 obs

● 2026-06-10 13:45:24
● 2026-07-15 13:23:22

●NSdns1.p03.nsone.net2026-06-10 → 2026-07-15 · 2 obs

● 2026-06-10 13:45:24
● 2026-07-15 13:23:22

●NSdns2.p03.nsone.net2026-06-10 → 2026-07-15 · 2 obs

● 2026-06-10 13:45:24
● 2026-07-15 13:23:22

●NSdns3.p03.nsone.net2026-06-10 → 2026-07-15 · 2 obs

● 2026-06-10 13:45:24
● 2026-07-15 13:23:22

●NSdns4.p03.nsone.net2026-06-10 → 2026-07-15 · 2 obs

● 2026-06-10 13:45:24
● 2026-07-15 13:23:22

●MXinbound-smtp.ap-northeast-1.amazonaws.com2026-06-10 → 2026-07-15 · 2 obs

● 2026-06-10 13:45:24
● 2026-07-15 13:23:22

○A13.52.188.952026-06-10 → 2026-06-29 · 9 obs

● 2026-06-10 13:45:24
● 2026-06-10 20:52:50
○ 2026-06-10 23:57:46
● 2026-06-12 17:28:48
● 2026-06-14 05:03:48
○ 2026-06-18 07:38:36
● 2026-06-29 10:03:04
○ 2026-06-30 13:29:04
○ 2026-07-15 13:23:22

●A18.208.88.1572026-06-10 → 2026-07-15 · 5 obs

○ 2026-06-10 20:52:50
● 2026-06-10 23:57:46
○ 2026-06-12 17:28:48
● 2026-07-15 13:23:20
● 2026-07-15 13:23:22

●A2600:1f18:16e:df01::2582026-06-10 → 2026-07-15 · 5 obs

○ 2026-06-10 20:52:50
● 2026-06-10 23:57:46
○ 2026-06-12 17:28:48
● 2026-07-15 13:23:20
● 2026-07-15 13:23:22

●A2600:1f18:16e:df01::2592026-06-10 → 2026-07-15 · 5 obs

○ 2026-06-10 20:52:50
● 2026-06-10 23:57:46
○ 2026-06-12 17:28:48
● 2026-07-15 13:23:20
● 2026-07-15 13:23:22

○A2600:1f1c:446:4900::2582026-06-10 → 2026-06-29 · 9 obs

○A2600:1f1c:446:4900::2592026-06-10 → 2026-06-29 · 9 obs

○A2a05:d014:58f:6200::2582026-06-18 → 2026-06-30 · 6 obs

○ 2026-06-14 05:03:48
● 2026-06-18 07:38:36
○ 2026-06-29 10:03:04
● 2026-06-30 13:29:04
○ 2026-07-15 13:23:20
○ 2026-07-15 13:23:22

○A2a05:d014:58f:6200::2592026-06-18 → 2026-06-30 · 6 obs

○ 2026-06-14 05:03:48
● 2026-06-18 07:38:36
○ 2026-06-29 10:03:04
● 2026-06-30 13:29:04
○ 2026-07-15 13:23:20
○ 2026-07-15 13:23:22

○A35.157.26.1352026-06-18 → 2026-06-30 · 6 obs

○ 2026-06-14 05:03:48
● 2026-06-18 07:38:36
○ 2026-06-29 10:03:04
● 2026-06-30 13:29:04
○ 2026-07-15 13:23:20
○ 2026-07-15 13:23:22

○A52.52.192.1912026-06-10 → 2026-06-29 · 9 obs

○A63.176.8.2182026-06-18 → 2026-06-30 · 6 obs

○ 2026-06-14 05:03:48
● 2026-06-18 07:38:36
○ 2026-06-29 10:03:04
● 2026-06-30 13:29:04
○ 2026-07-15 13:23:20
○ 2026-07-15 13:23:22

●A98.84.224.1112026-06-10 → 2026-07-15 · 5 obs

○ 2026-06-10 20:52:50
● 2026-06-10 23:57:46
○ 2026-06-12 17:28:48
● 2026-07-15 13:23:20
● 2026-07-15 13:23:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
investorcodex.com	dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net	-

✅ Authoritative Response

Server:198.51.45.67

NS records: dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for investorcodex.com (unsigned zone)

⏱️ Timing

Total: 580ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`98.84.224.111, 18.208.88.157`
AAAA	2	`2600:1f18:16e:df01::259, 2600:1f18:16e:df01::258`
NS	4	`dns1.p03.nsone.net, dns2.p03.nsone.net...`
MX	1	`inbound-smtp.ap-northeast-1.amazonaws.co`
TXT	2	`resend-domain-verification=8832475ad27da, google-site-verification=UKlGomEZ666mvWw`
SOA	1	`dns1.p01.nsone.net domains+netlify.netli`

Analysis

IP Addresses

investorcodex.com points to the four IP addresses 18.208.88.157, 98.84.224.111, 2600:1f18:16e:df01::258 and 2600:1f18:16e:df01::259.

tatherton.com, monicalent.com, www.tomnguyen.com plus two other host names have IP numbers in common with investorcodex.com.

Name Servers

Five name servers handle delegation for investorcodex.com: dns1.p01.nsone.net, dns1.p03.nsone.net, dns2.p03.nsone.net and two others.

There is at least partial name server overlap between investorcodex.com and other domains — catdealersoftware.ca, microcase.com, opadinamico.it and two more among them.

These name servers regularly appear alongside dns3.p03.nsone.net, dns4.p03.nsone.net, ns01.squarespacedns.com and 7 other name servers in NS record sets.

Host names pointing to two IP addresses:

The A records for dns1.p01.nsone.net return 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

The A records for dns1.p03.nsone.net return 198.51.44.3 and 2620:4d:4000:6259:7:3:0:1.

The A records for dns2.p03.nsone.net return 198.51.45.3 and 2a00:edc0:6259:7:3::2.

The A records for dns3.p03.nsone.net return 198.51.44.67 and 2620:4d:4000:6259:7:3:0:3.

The A records for dns4.p03.nsone.net return 198.51.45.67 and 2a00:edc0:6259:7:3::4.

Mail Servers

investorcodex.com uses one mail server — inbound-smtp.ap-northeast-1.amazonaws.com.

The mail server setup of investorcodex.com matches that of other domains such as eiken-cbt.jp, jms-iland-web.jp, wfpromax.xyz and two others.

At least some of the mail servers used by investorcodex.com are shared with other domains: mentali.ai, myairboard.com, neucron.io and two others among them.

The hostname inbound-smtp.ap-northeast-1.amazonaws.com carries three IP records: 3.113.208.143, 18.178.141.61 and 52.195.95.66.

investorcodex.com - robtex.com