cosource.ca - dns.ninja

`cosource.ca`

DNSSEC	⚠️ Not signed
NS	`ns37.domaincontrol.com` ⭐
		A	2603:5:21c1::13^{🇺🇸 GODADDY-DNS2603:5:21c0::/44}
			PTR	`ns37.domaincontrol.com`
		A	97.74.108.19^{🇺🇸 GODADDY-DNS97.74.108.0/23}
			PTR	`ns37.domaincontrol.com`
NS	`ns38.domaincontrol.com`
		A	2603:5:22c1::13^{🇺🇸 GODADDY-DNS2603:5:22c0::/44}
			PTR	`ns38.domaincontrol.com`
		A	173.201.76.19^{🇺🇸 GODADDY-DNS173.201.76.0/23}
			PTR	`ns38.domaincontrol.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
TXT	`v=spf1 include:dc-aa8e722993._spfm.cosource.ca ~all`
TXT	`google-site-verification=ckp8E68yOr8tgN5vjAQA2RSksKe5BVZ-jLSn6qOPWwY`
SOA	`ns37.domaincontrol.com`dns@jomax.net 2023-04-10 #2

`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=2607290800

Same first word

cosource.org

cosource.com.au

cosource.nl

cosource.eu

cosource.at

cosource.net

cosource.com

cosource.co.uk

cosource.ca

cosource.us

cosource.co

Similar names

ocuscore.com

sourceco.com

ocecours.org

crouseco.com

ocsource.com

occosure.com

courseco.com

sourceco.net

cocosure.com

sourceco.co.uk

crouseco.ir

ocsource.s3.amazonaws.com

courseco.co

sourceco.com.au

sourceco.xyz

DNS History

13 records (7 active, 6 former)

○NSns1.bdm.microsoftonline.com2015-06-02 → 2020-03-20 · 4 obs

● 2015-06-02 20:08:40
● 2020-03-20 03:55:10
○ 2026-06-15 13:01:20
○ 2026-07-29 08:53:16

○NSns2.bdm.microsoftonline.com2015-06-02 → 2020-03-20 · 4 obs

● 2015-06-02 20:08:40
● 2020-03-20 03:55:10
○ 2026-06-15 13:01:20
○ 2026-07-29 08:53:16

○NSns3.bdm.microsoftonline.com2015-06-02 → 2020-03-20 · 4 obs

● 2015-06-02 20:08:40
● 2020-03-20 03:55:10
○ 2026-06-15 13:01:20
○ 2026-07-29 08:53:16

●NSns37.domaincontrol.com2026-06-15 → 2026-07-29 · 3 obs

○ 2020-03-20 03:55:10
● 2026-06-15 13:01:20
● 2026-07-29 08:53:16

●NSns38.domaincontrol.com2026-06-15 → 2026-07-29 · 3 obs

○ 2020-03-20 03:55:10
● 2026-06-15 13:01:20
● 2026-07-29 08:53:16

○NSns4.bdm.microsoftonline.com2015-06-02 → 2020-03-20 · 4 obs

● 2015-06-02 20:08:40
● 2020-03-20 03:55:10
○ 2026-06-15 13:01:20
○ 2026-07-29 08:53:16

●MXalt1.aspmx.l.google.com2026-06-15 → 2026-07-29 · 3 obs

○ 2020-03-20 03:55:10
● 2026-06-15 13:01:20
● 2026-07-29 08:53:16

●MXalt2.aspmx.l.google.com2026-06-15 → 2026-07-29 · 3 obs

○ 2020-03-20 03:55:10
● 2026-06-15 13:01:20
● 2026-07-29 08:53:16

●MXalt3.aspmx.l.google.com2026-06-15 → 2026-07-29 · 3 obs

○ 2020-03-20 03:55:10
● 2026-06-15 13:01:20
● 2026-07-29 08:53:16

●MXalt4.aspmx.l.google.com2026-06-15 → 2026-07-29 · 3 obs

○ 2020-03-20 03:55:10
● 2026-06-15 13:01:20
● 2026-07-29 08:53:16

●MXaspmx.l.google.com2026-06-15 → 2026-07-29 · 3 obs

○ 2020-03-20 03:55:10
● 2026-06-15 13:01:20
● 2026-07-29 08:53:16

○MXcosource-ca.mail.eo.outlook.com2015-06-02 → 2020-03-20 · 4 obs

● 2015-06-02 20:08:40
● 2020-03-20 03:55:10
○ 2026-06-15 13:01:20
○ 2026-07-29 08:53:16

○A173.201.216.982015-06-02 → 2020-03-20 · 4 obs

● 2015-06-02 20:08:40
● 2020-03-20 03:55:10
○ 2026-06-15 13:01:20
○ 2026-07-29 08:53:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	d.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca	-
cosource.ca	ns38.domaincontrol.com, ns37.domaincontrol.com	-

✅ Authoritative Response

Server:173.201.76.19

NS records: ns38.domaincontrol.com, ns37.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cosource.ca (unsigned zone)

⏱️ Timing

Total: 854ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns37.domaincontrol.com, ns38.domaincontrol.com`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	2	`v=spf1 include:dc-aa8e722993._spfm.cosou, google-site-verification=ckp8E68yOr8tgN5`
SOA	1	`ns37.domaincontrol.com dns.jomax.net`

Analysis

Name Servers

cosource.ca has two authoritative name servers — ns37.domaincontrol.com and ns38.domaincontrol.com.

The name server configuration of cosource.ca is shared with other domains, for instance theckla.com, anynews.co.in, guidedbydivine.com and two others.

Both ns37.domaincontrol.com and ns38.domaincontrol.com have two IP addresses each. ns37.domaincontrol.com resolves to 97.74.108.19 and 2603:5:21c1::13; ns38.domaincontrol.com resolves to 173.201.76.19 and 2603:5:22c1::13.

Mail Servers

Mail for cosource.ca is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by cosource.ca are shared with other domains: hairygrowler.co.uk, ns500821.ns500841.ns500794.ns500795.ns500794.ns500821.ns500794.ns500821.ns500821.ns500790.lustypartnersfinder.com, mcewing.net and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to 142.250.31.27 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1a.