blackboxknowledge.com - dns.ninja
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.comsupport@3essentials.com 2026-07-23 #10 | ||||||
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.netnstld@verisign-grs.com serial=1786615494 | ||||||
MX for
blackboxknowledge.com |
Subdomains
mail.blackboxknowledge.com |
Same first word
blackboxknowledge.com |
DNS History
9 records (4 active, 5 former)
●NSns1.3essentials.com2015-05-30 → 2026-08-13 · 2 obs
● 2026-08-13 10:16:58
●NSns2.3essentials.com2015-05-30 → 2026-08-13 · 2 obs
● 2026-08-13 10:16:58
○NSweb13.3essentials.com2015-05-30 → 2015-10-21 · 4 obs
● 2015-10-21 08:45:02
○ 2016-01-20 06:32:52
○ 2026-08-13 10:16:58
●MXblackboxknowledge.com2026-03-21 → 2026-08-13 · 3 obs
● 2026-03-21 03:47:08
● 2026-08-13 10:16:58
○MXmail.blackboxknowledge.com2016-01-20 → 2019-01-04 · 5 obs
● 2016-01-20 06:32:52
● 2019-01-04 20:01:40
○ 2026-03-21 03:47:08
○ 2026-08-13 10:16:58
○MXmailgateway.3essentials.com2015-05-30 → 2015-10-21 · 4 obs
● 2015-10-21 08:45:02
○ 2016-01-20 06:32:52
○ 2026-08-13 10:16:58
○A216.85.168.1342016-01-20 → 2019-01-04 · 5 obs
● 2016-01-20 06:32:52
● 2019-01-04 20:01:40
○ 2026-03-21 03:47:08
○ 2026-08-13 10:16:58
○A50.58.85.1942015-05-30 → 2015-10-21 · 4 obs
● 2015-10-21 08:45:02
○ 2016-01-20 06:32:52
○ 2026-08-13 10:16:58
●A66.193.212.2392026-03-21 → 2026-08-13 · 3 obs
● 2026-03-21 03:47:08
● 2026-08-13 10:16:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| blackboxknowledge.com | ns1.3essentials.com, ns2.3essentials.com | 2 records |
✅ Authoritative Response
Server:204.14.8.4
NS records: ns1.3essentials.com, ns2.3essentials.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for blackboxknowledge.com (unsigned zone)
⏱️ Timing
Total: 174ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.193.212.239 |
| NS | 2 | ns1.3essentials.com, ns2.3essentials.com |
| MX | 1 | blackboxknowledge.com (pri: 10) |
| SOA | 1 | ns1.3essentials.com support.3essentials. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.3essentials.com, ns2.3essentials.com)
Analysis
Hierarchy
blackboxknowledge.com serves as the parent of mail.blackboxknowledge.com.
Mail Server Role
blackboxknowledge.com serves as a mail server for blackboxknowledge.com.
IP Addresses
blackboxknowledge.com has exactly one IP address — 66.193.212.239.
Other host names — vserver410.3essentials.com, blackbox.training, blackboxmigrations.com and nationalsarmrace.com — share IP numbers with blackboxknowledge.com.
Name Servers
blackboxknowledge.com is delegated to two name servers: ns1.3essentials.com and ns2.3essentials.com.
The name server configuration of blackboxknowledge.com is shared with other domains, for instance 2prospectors.com, pilotmedia.org, treesaverpallets.com and two others.
blackboxknowledge.com has at least partial name server overlap with other domains, such as southcreekammo.com, fpmdev.ca, visit-palau.com and two others.
It is common to find these name servers paired with the name servers ns3.3essentials.com.
ns1.3essentials.com directs to 173.227.253.196 and ns2.3essentials.com directs to 204.14.8.4; each host name points to exactly one IP number.
Mail Servers
blackboxknowledge.com uses exactly one mail server, which is blackboxknowledge.com.
blackboxknowledge.com resolves to a single IP number: 66.193.212.239.