`clbinstitute.com`

DNSSEC	⚠️ Not signed
A	66.96.160.147^{🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc}
		PTR	`147.160.96.66.static.eigbox.net`
NS	`ns1.netfirms.com` ⭐
		A	65.254.254.157^{🇺🇸 EIG-2987365.254.224.0/19 TML Customer}
			PTR	`ns1.netfirms.com`
NS	`ns2.netfirms.com`
		A	66.96.142.145^{🇺🇸 EIG-2987366.96.128.0/18 Endurance International Group, Inc}
			PTR	`ns2.netfirms.com`
MX	`mx1.emailsrvr.com` ⭐
		A	108.166.43.1^{🇺🇸 RACKSPACE-ORD108.166.0.0/18 Rackspace}
			PTR	`mx1.emailsrvr.com`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		A	108.166.43.2^{🇺🇸 RACKSPACE-ORD108.166.0.0/18 Rackspace}
			PTR	`mx2.emailsrvr.com`
		A	146.20.161.2^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx2.emailsrvr.com`
		A	173.203.187.2^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx2.emailsrvr.com`
		A	184.106.54.2^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx2.emailsrvr.com`
TXT	`v=spf1 include:emailsrvr.com include:transmail.net include:zcsend.net ~all`
SOA	`ns1.netfirms.com`hostmaster@netfirms.com 2015-08-06 #40

`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=1776078862

Previously MX for

clbinstitute.com

Same first word

clbinstitute.com

DNS History

9 records (5 active, 4 former)

●NSns1.netfirms.com2026-04-07 → 2026-04-13 · 3 obs

○ 2017-12-16 00:41:00
● 2026-04-07 20:36:40
● 2026-04-13 11:32:50

○NSns1379.websitewelcome.com2016-12-16 → 2017-12-16 · 4 obs

● 2016-12-16 03:39:58
● 2017-12-16 00:41:00
○ 2026-04-07 20:36:40
○ 2026-04-13 11:32:50

○NSns1380.websitewelcome.com2016-12-16 → 2017-12-16 · 4 obs

● 2016-12-16 03:39:58
● 2017-12-16 00:41:00
○ 2026-04-07 20:36:40
○ 2026-04-13 11:32:50

●NSns2.netfirms.com2026-04-07 → 2026-04-13 · 3 obs

○ 2017-12-16 00:41:00
● 2026-04-07 20:36:40
● 2026-04-13 11:32:50

○MXclbinstitute.com2016-12-16 → 2017-12-16 · 4 obs

● 2016-12-16 03:39:58
● 2017-12-16 00:41:00
○ 2026-04-07 20:36:40
○ 2026-04-13 11:32:50

●MXmx1.emailsrvr.com2026-04-07 → 2026-04-13 · 3 obs

○ 2017-12-16 00:41:00
● 2026-04-07 20:36:40
● 2026-04-13 11:32:50

●MXmx2.emailsrvr.com2026-04-07 → 2026-04-13 · 3 obs

○ 2017-12-16 00:41:00
● 2026-04-07 20:36:40
● 2026-04-13 11:32:50

○A192.185.194.12016-12-16 → 2017-12-16 · 4 obs

● 2016-12-16 03:39:58
● 2017-12-16 00:41:00
○ 2026-04-07 20:36:40
○ 2026-04-13 11:32:50

●A66.96.160.1472026-04-07 → 2026-04-13 · 3 obs

○ 2017-12-16 00:41:00
● 2026-04-07 20:36:40
● 2026-04-13 11:32:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
clbinstitute.com	ns1.netfirms.com, ns2.netfirms.com	2 records

✅ Authoritative Response

Server:65.254.254.157

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for clbinstitute.com (unsigned zone)

⏱️ Timing

Total: 279ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.96.160.147`
NS	2	`ns2.netfirms.com, ns1.netfirms.com`
MX	2	`mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)`
TXT	1	`v=spf1 include:emailsrvr.com include:tra`
SOA	1	`ns1.netfirms.com hostmaster.netfirms.com`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

clbinstitute.com points to a single IP: 66.96.160.147.

Other host names, for instance gefura.com, egress-windows.ca, mx.(0x736578)-therapist.ca, afpinfo.us and eurolinewindows.ca share IP numbers with clbinstitute.com.

Name Servers

Two name servers ns1.netfirms.com and ns2.netfirms.com handle delegation for clbinstitute.com.

clbinstitute.com uses the same name server setup as other domains, for example rougewoodshomes.com, themini.ca, deb-wilson.ca, serban.ca and picany.net.

clbinstitute.com partially shares name servers with other domains; examples include docside.ca, microbusinessresourcegroup.com, ebbl.ca, daigleproperties.com and korematsugarden.com.

These name servers are often used with the name servers ns1.yourhostingaccount.com and ns2.yourhostingaccount.com.

Host names with one IP number: The host name ns1.netfirms.com points to 65.254.254.157 and the host name ns2.netfirms.com points to 66.96.142.145.

Mail Servers

clbinstitute.com is handled by two mail servers: mx1.emailsrvr.com and mx2.emailsrvr.com.

clbinstitute.com has the same mail server setup as other domains, including leon.global, monocleeyecare.com, ascended.net, fiainc.us and aitara.com.

clbinstitute.com shares some mail servers with other domains at least partially, for example co.henderson.tx.us, ukelectricbike.co.uk, funminecraftservers.com and motoring24-7.com.au.

Host names with four IP numbers: mx2.emailsrvr.com points to 108.166.43.2, 146.20.161.2, 173.203.187.2 and 184.106.54.2.

Host names with one IP number: mx1.emailsrvr.com points to 108.166.43.1.

clbinstitute.com - robtex.com