professors.ca - dns.ninja

`professors.ca`

DNSSEC	⚠️ Not signed
A	51.222.143.2^{🇨🇦 OVH51.222.0.0/16 Hosting route}
		PTR	`slave3.namespro.ca`
NS	`htns1.namespro.ca` ⭐
		A	82.180.163.101^{🇺🇸 IIHOS00182.180.160.0/22 HOSTINGER US}
			PTR	`htns1.namespro.ca`
NS	`htns2.namespro.ca`
		A	69.164.251.118^{🇺🇸 RoadRunner69.164.248.0/22 DFW1}
NS	`htns3.namespro.ca`
		A	213.255.209.16^{🇨🇦 AS54913213.255.209.0/24 CLOUDWEBMANAGE-CA-TR}
MX	`mailroot3.namespro.ca` ⭐
		A	169.55.177.75^{🇺🇸 SOFTLAYER169.55.128.0/18 -tor01}
			PTR	`mailroot3.namespro.ca`
TXT	`v=spf1 mx include:_spf.mailroots.namespro.ca ~all`
SOA	`htns1.namespro.ca`support@namespro.ca serial=1762992608

`ca`

	DNSSEC	🔒 Signed (DS record present)
	NS	`prd-czp-05.corp.cira.ca` ⭐
	NS	`any.ca-servers.ca`
	NS	`c.ca-servers.ca`
	NS	`d.ca-servers.ca`
	NS	`j.ca-servers.ca`
	SOA	`prd-czp-05.corp.cira.ca`admin-dns@cira.ca serial=2607071230

Subdomains

mail.professors.ca

Same first word

professors.org

professors.it

professors.com

professors.top

professors.eu

professors.directory

professors.info

professors.jp

professors.ru

professors.wtf

professors.ca

professors.pk

professors.today

professors.link

professors.co.in

Similar names

proforsess.de

presssofor.com

DNS History

9 records (5 active, 4 former)

●NShtns1.namespro.ca2026-04-05 → 2026-07-07 · 3 obs

○ 2017-05-30 14:18:36
● 2026-04-05 19:26:40
● 2026-07-07 12:54:26

●NShtns2.namespro.ca2026-04-05 → 2026-07-07 · 3 obs

○ 2017-05-30 14:18:36
● 2026-04-05 19:26:40
● 2026-07-07 12:54:26

●NShtns3.namespro.ca2026-04-05 → 2026-07-07 · 3 obs

○ 2017-05-30 14:18:36
● 2026-04-05 19:26:40
● 2026-07-07 12:54:26

○NSslns1.namespro.ca2015-08-15 → 2017-05-30 · 4 obs

● 2015-08-15 08:40:26
● 2017-05-30 14:18:36
○ 2026-04-05 19:26:40
○ 2026-07-07 12:54:26

○NSslns2.namespro.ca2015-08-15 → 2017-05-30 · 4 obs

● 2015-08-15 08:40:26
● 2017-05-30 14:18:36
○ 2026-04-05 19:26:40
○ 2026-07-07 12:54:26

○MXmail.professors.ca2015-08-15 → 2017-05-30 · 4 obs

● 2015-08-15 08:40:26
● 2017-05-30 14:18:36
○ 2026-04-05 19:26:40
○ 2026-07-07 12:54:26

●MXmailroot3.namespro.ca2026-04-05 → 2026-07-07 · 3 obs

○ 2017-05-30 14:18:36
● 2026-04-05 19:26:40
● 2026-07-07 12:54:26

●A51.222.143.22026-04-05 → 2026-07-07 · 3 obs

○ 2017-05-30 14:18:36
● 2026-04-05 19:26:40
● 2026-07-07 12:54:26

○A70.85.232.22015-08-15 → 2017-05-30 · 4 obs

● 2015-08-15 08:40:26
● 2017-05-30 14:18:36
○ 2026-04-05 19:26:40
○ 2026-07-07 12:54:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca	-
professors.ca	htns3.namespro.ca, htns1.namespro.ca, htns2.namespro.ca	3 records

✅ Authoritative Response

Server:213.255.209.16

NS records: htns3.namespro.ca, htns1.namespro.ca, htns2.namespro.ca

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professors.ca (unsigned zone)

⏱️ Timing

Total: 289ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.222.143.2`
NS	3	`htns3.namespro.ca, htns1.namespro.ca...`
MX	1	`mailroot3.namespro.ca (pri: 10)`
TXT	1	`v=spf1 mx include:_spf.mailroots.namespr`
SOA	1	`htns1.namespro.ca support.namespro.ca`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (htns3.namespro.ca, htns2.namespro.ca, htns1.namespro.ca)

Analysis

Hierarchy

professors.ca serves as the parent of mail.professors.ca.

IP Addresses

professors.ca points to a single IP number: 51.222.143.2.

Additional host names — acolyt.ca, kadie.ca, hormones.ca and two others — share IP numbers with professors.ca.

Name Servers

professors.ca has three name servers — htns1.namespro.ca, htns2.namespro.ca and htns3.namespro.ca.

professors.ca has at least partial name server overlap with other domains, such as goodsoul.ca, etail.ca, taxfilingadvice.ca and two others.

Each of the three hostnames points to exactly one IP address: htns1.namespro.ca points to 82.180.163.101, htns2.namespro.ca points to 69.164.251.118 and htns3.namespro.ca points to 213.255.209.16.

Mail Servers

professors.ca has one mail server: mailroot3.namespro.ca.

professors.ca shares the same mail server setup as other domains, including visitevirtuellequebec.ca, srhc.ca, thehall.ca and two others.

The mail servers of professors.ca are at least partially shared with other domains, including gplg.ca.

mailroot3.namespro.ca points to one IP number — 169.55.177.75.