`rootcauseanalysisbook.com`

DNSSEC	⚠️ Not signed
A	208.75.64.37^{🇺🇸 RoadRunner208.75.64.0/21 Blue Tower Technical}
NS	`ns.rootcauseanalysisbook.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.rootcauseanalysisbook.com` ⭐
		A	208.75.64.37^{🇺🇸 RoadRunner208.75.64.0/21 Blue Tower Technical}
SOA	`ns.rootcauseanalysisbook.com`312@rw3.rwe serial=1619709365

`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=1774505977

Subdomains

ns.rootcauseanalysisbook.com

mail.rootcauseanalysisbook.com

Same first word

rootcauseanalysisbook.com

DNS History

13 records (5 active, 8 former)

○NSdns1.name-services.com2026-03-04 → 2026-03-04 · 4 obs

○ 2020-02-11 11:16:26
● 2026-03-04 06:12:40
○ 2026-03-14 14:20:16
○ 2026-03-26 06:42:12

○NSdns2.name-services.com2026-03-04 → 2026-03-04 · 4 obs

○ 2020-02-11 11:16:26
● 2026-03-04 06:12:40
○ 2026-03-14 14:20:16
○ 2026-03-26 06:42:12

○NSdns3.name-services.com2026-03-04 → 2026-03-04 · 4 obs

○ 2020-02-11 11:16:26
● 2026-03-04 06:12:40
○ 2026-03-14 14:20:16
○ 2026-03-26 06:42:12

○NSdns4.name-services.com2026-03-04 → 2026-03-04 · 4 obs

○ 2020-02-11 11:16:26
● 2026-03-04 06:12:40
○ 2026-03-14 14:20:16
○ 2026-03-26 06:42:12

○NSdns5.name-services.com2026-03-04 → 2026-03-04 · 4 obs

○ 2020-02-11 11:16:26
● 2026-03-04 06:12:40
○ 2026-03-14 14:20:16
○ 2026-03-26 06:42:12

○NShost267.bluetowerhosting.com2015-07-16 → 2017-02-17 · 4 obs

● 2015-07-16 12:49:06
● 2017-02-17 22:11:52
○ 2020-02-11 11:16:26
○ 2026-03-26 06:42:12

●NSns.rootcauseanalysisbook.com2015-07-16 → 2026-03-26 · 5 obs

● 2015-07-16 12:49:06
● 2020-02-11 11:16:26
○ 2026-03-04 06:12:40
● 2026-03-14 14:20:16
● 2026-03-26 06:42:12

●NSns1.globalwindows.com2026-03-14 → 2026-03-26 · 3 obs

○ 2026-03-04 06:12:40
● 2026-03-14 14:20:16
● 2026-03-26 06:42:12

●NSns2.globalwindows.com2026-03-14 → 2026-03-26 · 3 obs

○ 2026-03-04 06:12:40
● 2026-03-14 14:20:16
● 2026-03-26 06:42:12

●MXmail.rootcauseanalysisbook.com2015-07-16 → 2026-03-26 · 5 obs

● 2015-07-16 12:49:06
● 2020-02-11 11:16:26
○ 2026-03-04 06:12:40
● 2026-03-14 14:20:16
● 2026-03-26 06:42:12

○A15.197.172.602026-03-04 → 2026-03-04 · 4 obs

○ 2020-02-11 11:16:26
● 2026-03-04 06:12:40
○ 2026-03-14 14:20:16
○ 2026-03-26 06:42:12

●A208.75.64.372026-03-14 → 2026-03-26 · 3 obs

○ 2026-03-04 06:12:40
● 2026-03-14 14:20:16
● 2026-03-26 06:42:12

○A64.128.189.1422015-07-16 → 2020-02-11 · 4 obs

● 2015-07-16 12:49:06
● 2020-02-11 11:16:26
○ 2026-03-04 06:12:40
○ 2026-03-26 06:42:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rootcauseanalysisbook.com	ns1.globalwindows.com, ns2.globalwindows.com	2 records

✅ Authoritative Response

Server:208.75.64.35

NS records: ns1.globalwindows.com, ns2.globalwindows.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rootcauseanalysisbook.com (unsigned zone)

⏱️ Timing

Total: 207ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.75.64.37`
NS	1	`ns.rootcauseanalysisbook.com`
MX	1	`mail.rootcauseanalysisbook.com (pri: 10)`
SOA	1	`ns.rootcauseanalysisbook.com 312.rw3.rwe`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

rootcauseanalysisbook.com is a parent of ns.rootcauseanalysisbook.com and mail.rootcauseanalysisbook.com.

IP Addresses

rootcauseanalysisbook.com points to a single IP number: 208.75.64.37.

Other host names, for instance mail.rootcauseanalysisbook.com, mail.rcaproblem.com, ns.rootcauseanalysis.info, rcaproblem.com and ns.investigationlessons.com share IP numbers with rootcauseanalysisbook.com.

Name Servers

The domain rootcauseanalysisbook.com is delegated to three name servers: ns1.globalwindows.com, ns2.globalwindows.com and ns.rootcauseanalysisbook.com.

rootcauseanalysisbook.com shares name servers with other domains at least partially, for instance causemappingrca.com, investigationlessons.com, rcabible.com, causalmapping.com and rcaproblem.com.

These name servers are commonly used with ns.causemappingrca.com, ns.rcaproblem.com, ns.cmrca.com and ns.eriecanalrealty.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.rootcauseanalysisbook.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 rootcauseanalysisbook.com is mail.rootcauseanalysisbook.com.

Host name mail.rootcauseanalysisbook.com resolves to IP 208.75.64.37.

rootcauseanalysisbook.com - robtex.com