mail.blackboxknowledge.com - dns.ninja

`mail.blackboxknowledge.com`

CNAME	`blackboxknowledge.com`
DNSSEC	⚠️ Not signed
A	66.193.212.239^{🇺🇸 AS335666.193.212.0/24}
		PTR	`vserver410.3essentials.com`
NS	`ns1.3essentials.com` ⭐
		A	173.227.253.196^{🇺🇸 AS3356173.227.253.128/25}
			PTR	`ns1.3essentials.com`
NS	`ns2.3essentials.com`
		A	204.14.8.4^{🇺🇸 AS36349204.14.8.0/24 NEXTCARRIER-204-14-8}
			PTR	`ns2.3essentials.com`
MX	`blackboxknowledge.com` ⭐
		A	66.193.212.239^{🇺🇸 AS335666.193.212.0/24}
			PTR	`vserver410.3essentials.com`
SOA	`ns1.3essentials.com`support@3essentials.com 2026-07-23 #10

`blackboxknowledge.com`

	DNSSEC	⚠️ Not signed
	A	66.193.212.239^{🇺🇸 AS335666.193.212.0/24}
	NS	`ns1.3essentials.com` ⭐
	NS	`ns2.3essentials.com`
	MX	`blackboxknowledge.com` ⭐
	SOA	`ns1.3essentials.com`support@3essentials.com 2026-07-23 #10

Previously MX for

blackboxknowledge.com

Same first word

mail.to

mail.tf

mail.ba

mail.lviv.ua

mail.lima-city.de

mail.mysecuritycamera.com

mail.microsoft

mail.mil.tw

mail.org.in

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mail.eating-organic.net

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mail.com

mail.inf.br

mail.4u.com

mail.edu.tw

mail.gov.rs

mail.dnsalias.net

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mail.co.jp

mail.be

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mail.how

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mail.in-brb.de

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mail.neustar

mail.ao

mail.pw

mail.broker

mail.school

mail.land

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DNS History

4 records (1 active, 3 former)

○NSns1.3essentials.com2026-02-23 → 2026-08-13 · 2 obs

○ 2026-02-23 15:04:36
○ 2026-08-13 20:15:00

○NSns2.3essentials.com2026-02-23 → 2026-08-13 · 2 obs

○ 2026-02-23 15:04:36
○ 2026-08-13 20:15:00

○A216.85.168.1342016-06-01 → 2016-06-01 · 3 obs

● 2016-06-01 22:59:32
○ 2026-02-23 15:04:36
○ 2026-08-13 20:15:00

●CNAMEblackboxknowledge.com2026-02-23 → 2026-08-13 · 2 obs

● 2026-02-23 15:04:36
● 2026-08-13 20:15:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
blackboxknowledge.com	ns1.3essentials.com, ns2.3essentials.com	2 records

✅ Authoritative Response

Server:173.227.253.196

NS records: ns1.3essentials.com, ns2.3essentials.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blackboxknowledge.com (unsigned zone)

⏱️ Timing

Total: 124ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`blackboxknowledge.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.3essentials.com, ns2.3essentials.com)

Analysis

IP Addresses

mail.blackboxknowledge.com directs to one IP number, which is 66.193.212.239.

Among the host names that share IP numbers with mail.blackboxknowledge.com are nationalsarmrace.com, blackboxknowledge.com, vserver410.3essentials.com and two others.

Name Servers

mail.blackboxknowledge.com has two authoritative name servers — ns1.3essentials.com and ns2.3essentials.com.

mail.blackboxknowledge.com has the same name server delegation as a number of other domains, such as bioplan.com.au, fullgen.com, a2architects.com and two more.

The name servers of mail.blackboxknowledge.com overlap at least partially with those of other domains — among them jacksonsauction.com, aandvautomotive.com, policeintel.com and two more.

These name servers commonly appear in combination with the name servers ns3.3essentials.com.

Both ns1.3essentials.com and ns2.3essentials.com have a single IP address each — ns1.3essentials.com resolves to 173.227.253.196 while ns2.3essentials.com resolves to 204.14.8.4.

Mail Servers

mail.blackboxknowledge.com routes its mail through a single mail server, blackboxknowledge.com.

mail.blackboxknowledge.com and domains like blackboxknowledge.com share an identical mail server configuration.

blackboxknowledge.com points to one IP number — 66.193.212.239.