`itsecurityuniversity.com`

DNSSEC	⚠️ Not signed
A	54.236.162.93^{🇺🇸 Amazon54.236.128.0/17 EC2 IAD prefix}
		PTR	`ec2-54-236-162-93.compute-1.amazonaws.com`
NS	`dns2.rebel.ca` ⭐
		A	52.10.144.165^{🇺🇸 Amazon52.10.0.0/15 EC2 PDX Prefix}
			PTR	`dns2.rebel.ca`
		A	54.187.80.106^{🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix}
			PTR	`dns2.rebel.ca`
NS	`dns.rebel.ca`
		A	52.3.166.104^{🇺🇸 Amazon52.2.0.0/15 EC2 IAD prefix}
			PTR	`dns.rebel.ca`
		A	52.3.190.193^{🇺🇸 Amazon52.2.0.0/15 EC2 IAD prefix}
			PTR	`dns.rebel.ca`
MX	`loopback.rebel.ca` ⭐
		A	127.0.0.1
SOA	`dns.rebel.ca`noc@rebel.ca 2026-03-26 #1

`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=1774540547

Same first word

itsecurityuniversity.com

DNS History

8 records (4 active, 4 former)

○NSdns.domainsatcost.ca2015-08-21 → 2016-03-17 · 4 obs

● 2015-08-21 19:50:04
● 2016-03-17 20:39:14
○ 2016-08-12 05:35:44
○ 2026-03-26 16:17:10

●NSdns.rebel.ca2016-08-12 → 2026-03-26 · 3 obs

○ 2016-03-17 20:39:14
● 2016-08-12 05:35:44
● 2026-03-26 16:17:10

○NSdns2.domainsatcost.ca2015-08-21 → 2016-03-17 · 4 obs

● 2015-08-21 19:50:04
● 2016-03-17 20:39:14
○ 2016-08-12 05:35:44
○ 2026-03-26 16:17:10

●NSdns2.rebel.ca2016-08-12 → 2026-03-26 · 3 obs

○ 2016-03-17 20:39:14
● 2016-08-12 05:35:44
● 2026-03-26 16:17:10

●MXloopback.rebel.ca2016-08-12 → 2026-03-26 · 2 obs

● 2016-08-12 05:35:44
● 2026-03-26 16:17:10

○A172.99.81.1622015-12-10 → 2016-03-17 · 5 obs

○ 2015-08-21 19:50:04
● 2015-12-10 09:40:56
● 2016-03-17 20:39:14
○ 2016-08-12 05:35:44
○ 2026-03-26 16:17:10

●A54.236.162.932016-08-12 → 2026-03-26 · 3 obs

○ 2016-03-17 20:39:14
● 2016-08-12 05:35:44
● 2026-03-26 16:17:10

○A74.200.250.1842015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 19:50:04
○ 2015-12-10 09:40:56
○ 2026-03-26 16:17:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net...	-
itsecurityuniversity.com	dns.rebel.ca, dns2.rebel.ca	-

✅ Authoritative Response

Server:52.10.144.165

NS records: dns.rebel.ca, dns2.rebel.ca

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itsecurityuniversity.com (unsigned zone)

⏱️ Timing

Total: 867ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.236.162.93`
NS	2	`dns2.rebel.ca, dns.rebel.ca`
MX	1	`loopback.rebel.ca (pri: 10)`
SOA	1	`dns.rebel.ca noc.rebel.ca`

Analysis

IP Addresses

itsecurityuniversity.com points to a single IP number: 54.236.162.93.

other host names for instance quantshareadvisors.ca, passporttosavings.ca, realfit.training, musicstation.ca and wolfstu.ca share IP numbers with itsecurityuniversity.com.

Name Servers

itsecurityuniversity.com is delegated to two name servers: dns2.rebel.ca and dns.rebel.ca.

itsecurityuniversity.com shares the same name server setup as other domains, for example modelscouts.net, plantoberich.com, zulutechnology.com, ottawafilaments.com and datashredsecurity.com.

itsecurityuniversity.com at least partially shares name servers with other domains, for instance multiurethanes.us, yoneda.ca, eams.ca, frend-therm.net and fairfaxworldwide.com.

These name servers are often used with dns2.domainsatcost.ca and dns.domainsatcost.ca.

Host names with two IP numbers:

dns2.rebel.ca points to 52.10.144.165 and 54.187.80.106

dns.rebel.ca points to 52.3.166.104 and 52.3.190.193

Mail Servers

itsecurityuniversity.com is handled by a single mail server, loopback.rebel.ca.

itsecurityuniversity.com shares the same mail server setup as other domains, for instance mail.neoset.com, mail.lakemidnapore.ca, mail.fedcan.ca, airwash.ca and www.monparcours.ca.

itsecurityuniversity.com shares some mail servers with other domains, at least partially, for instance allenmartin.ca and pgconsultinginc.com.

Host name loopback.rebel.ca points to IP address 127.0.0.1.

itsecurityuniversity.com - robtex.com