investigationlessons.com - robtex.com
investigationlessons.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.75.64.37🇺🇸 RoadRunner208.75.64.0/21 Blue Tower Technical | ||||||
| NS | ns.investigationlessons.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 208.75.64.37🇺🇸 RoadRunner208.75.64.0/21 Blue Tower Technical | ||||||
| NS | ns1.globalwindows.com ⚠️ Not in zone NS records | ||||||
| A | 208.75.64.34🇺🇸 RoadRunner208.75.64.0/21 Blue Tower Technical | ||||||
| PTR | host267.bluetowerhosting.com | ||||||
| PTR | ns1.globalwindows.com | ||||||
| PTR | ns1.globalwindows.net | ||||||
| A | 208.75.64.36🇺🇸 RoadRunner208.75.64.0/21 Blue Tower Technical | ||||||
| PTR | www.globalwindows.net | ||||||
| NS | ns2.globalwindows.com ⚠️ Not in zone NS records | ||||||
| A | 208.75.64.35🇺🇸 RoadRunner208.75.64.0/21 Blue Tower Technical | ||||||
| PTR | ns2.globalwindows.com | ||||||
| PTR | ns2.globalwindows.net | ||||||
| A | 208.75.64.36🇺🇸 RoadRunner208.75.64.0/21 Blue Tower Technical | ||||||
| PTR | www.globalwindows.net | ||||||
| MX | mail.investigationlessons.com ⭐ | ||||||
| A | 208.75.64.37🇺🇸 RoadRunner208.75.64.0/21 Blue Tower Technical | ||||||
| SOA | ns.investigationlessons.com312@rw3.rwe serial=1619709014 | ||||||
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=1774522407 | ||||||
Subdomains
Same first word
investigationlessons.com |
DNS History
7 records (5 active, 2 former)
○NShost267.bluetowerhosting.com2015-07-10 → 2016-12-30 · 4 obs
● 2016-12-30 11:08:12
○ 2026-03-15 00:46:20
○ 2026-03-26 11:17:36
●NSns.investigationlessons.com2015-07-10 → 2026-03-26 · 2 obs
● 2026-03-26 11:17:36
●NSns1.globalwindows.com2026-03-15 → 2026-03-26 · 3 obs
● 2026-03-15 00:46:20
● 2026-03-26 11:17:36
●NSns2.globalwindows.com2026-03-15 → 2026-03-26 · 3 obs
● 2026-03-15 00:46:20
● 2026-03-26 11:17:36
●MXmail.investigationlessons.com2015-07-10 → 2026-03-26 · 2 obs
● 2026-03-26 11:17:36
●A208.75.64.372026-03-15 → 2026-03-26 · 3 obs
● 2026-03-15 00:46:20
● 2026-03-26 11:17:36
○A64.128.189.1422015-07-10 → 2016-12-30 · 4 obs
● 2016-12-30 11:08:12
○ 2026-03-15 00:46:20
○ 2026-03-26 11:17:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| investigationlessons.com | ns1.globalwindows.com, ns2.globalwindows.com | 2 records |
✅ Authoritative Response
Server:208.75.64.34
NS records: ns1.globalwindows.com, ns2.globalwindows.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for investigationlessons.com (unsigned zone)
⏱️ Timing
Total: 175ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.75.64.37 |
| NS | 1 | ns.investigationlessons.com |
| MX | 1 | mail.investigationlessons.com (pri: 10) |
| SOA | 1 | ns.investigationlessons.com 312.rw3.rwe |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.globalwindows.com, ns2.globalwindows.com)
Analysis
Hierarchy
investigationlessons.com is a parent of ns.investigationlessons.com and mail.investigationlessons.com.
IP Addresses
investigationlessons.com points to a single IP number: 208.75.64.37.
Other host names, for instance ns.investigationlessons.com, rootcauseanalysisbook.com, mail.rootcauseanalysis.info, mail.investigationlessons.com and rootcauseanalysis.info share IP numbers with investigationlessons.com.
Name Servers
The domain investigationlessons.com is delegated to three name servers: ns1.globalwindows.com, ns2.globalwindows.com and ns.investigationlessons.com.
investigationlessons.com shares name servers with other domains at least partially, for instance causalmapping.com, rcaproblem.com, wulfschimneys.com, rootcauseanalysisbook.com and rcastart.com.
These name servers are often used with ns.rcaproblem.com, ns.rootcauseanalysisbook.com, ns.cmrca.com, ns.eriecanalrealty.com and ns.causemappingrca.com.
Host names with two IP numbers: ns1.globalwindows.com points to 208.75.64.34 and 208.75.64.36; ns2.globalwindows.com points to 208.75.64.35 and 208.75.64.36.
Host names with one IP number: ns.investigationlessons.com points to 208.75.64.37.
Host names that point to 208.75.64.36: ns1.globalwindows.com and ns2.globalwindows.com.
Mail Servers
The mail server for investigationlessons.com is mail.investigationlessons.com.
Host name mail.investigationlessons.com resolves to IP 208.75.64.37.