dohertyengineering.ca - dns.ninja

`dohertyengineering.ca`

DNSSEC	⚠️ Not signed
A	15.156.99.220^{🇨🇦 Amazon15.156.0.0/15 EC2 YUL prefix}
		PTR	`ec2-15-156-99-220.ca-central-1.compute.amazonaws.com`
NS	`ns-1971.awsdns-54.co.uk` ⭐
		A	2600:9000:5307:b300::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1971.awsdns-54.co.uk`
		A	205.251.199.179^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1971.awsdns-54.co.uk`
NS	`ns-1049.awsdns-03.org`
		A	2600:9000:5304:1900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1049.awsdns-03.org`
		A	205.251.196.25^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1049.awsdns-03.org`
NS	`ns-376.awsdns-47.com`
		A	2600:9000:5301:7800::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-376.awsdns-47.com`
		A	205.251.193.120^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-376.awsdns-47.com`
NS	`ns-591.awsdns-09.net`
		A	2600:9000:5302:4f00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-591.awsdns-09.net`
		A	205.251.194.79^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-591.awsdns-09.net`
MX	`dohertyengineering-ca.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c942::^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt5pr01cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c942::2^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00602.inbound.protection.outlook.com`
		A	2a01:111:f403:c942::3^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt6pr01cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu00900.inbound.protection.outlook.com`
		A	52.101.190.0^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt5pr01cu00100.inbound.protection.outlook.com`
		A	52.101.190.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	52.101.190.3^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt6pr01cu00103.inbound.protection.outlook.com`
		A	52.101.192.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yqzpr01cu01001.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns-1971.awsdns-54.co.uk`awsdns-hostmaster@amazon.com serial=1

`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=2607240830

Subdomains

www.dohertyengineering.ca

Same first word

dohertyengineering.com

dohertyengineering.ca

DNS History

22 records (6 active, 16 former)

●NSns-1049.awsdns-03.org2026-02-23 → 2026-07-24 · 3 obs

○ 2017-07-04 12:46:00
● 2026-02-23 23:37:24
● 2026-07-24 09:04:12

○NSns-1093.awsdns-08.org2015-04-28 → 2017-07-04 · 4 obs

● 2015-04-28 18:51:28
● 2017-07-04 12:46:00
○ 2026-02-23 23:37:24
○ 2026-07-24 09:04:12

○NSns-139.awsdns-17.com2015-04-28 → 2017-07-04 · 4 obs

● 2015-04-28 18:51:28
● 2017-07-04 12:46:00
○ 2026-02-23 23:37:24
○ 2026-07-24 09:04:12

○NSns-1903.awsdns-45.co.uk2015-04-28 → 2017-07-04 · 4 obs

● 2015-04-28 18:51:28
● 2017-07-04 12:46:00
○ 2026-02-23 23:37:24
○ 2026-07-24 09:04:12

●NSns-1971.awsdns-54.co.uk2026-02-23 → 2026-07-24 · 3 obs

○ 2017-07-04 12:46:00
● 2026-02-23 23:37:24
● 2026-07-24 09:04:12

●NSns-376.awsdns-47.com2026-02-23 → 2026-07-24 · 3 obs

○ 2017-07-04 12:46:00
● 2026-02-23 23:37:24
● 2026-07-24 09:04:12

●NSns-591.awsdns-09.net2026-02-23 → 2026-07-24 · 3 obs

○ 2017-07-04 12:46:00
● 2026-02-23 23:37:24
● 2026-07-24 09:04:12

○NSns-989.awsdns-59.net2015-04-28 → 2017-07-04 · 4 obs

● 2015-04-28 18:51:28
● 2017-07-04 12:46:00
○ 2026-02-23 23:37:24
○ 2026-07-24 09:04:12

●MXdohertyengineering-ca.mail.protection.outlook.com2017-07-04 → 2026-07-24 · 3 obs

○ 2016-04-07 18:07:18
● 2017-07-04 12:46:00
● 2026-07-24 09:04:12

○MXmx1.emailsrvr.com2015-04-28 → 2016-04-07 · 4 obs

● 2015-04-28 18:51:28
● 2016-04-07 18:07:18
○ 2017-07-04 12:46:00
○ 2026-07-24 09:04:12

○MXmx2.emailsrvr.com2015-04-28 → 2016-04-07 · 4 obs

● 2015-04-28 18:51:28
● 2016-04-07 18:07:18
○ 2017-07-04 12:46:00
○ 2026-07-24 09:04:12

○A15.156.25.2252026-02-23 → 2026-02-25 · 5 obs

○ 2017-07-04 12:46:00
● 2026-02-23 23:37:24
● 2026-02-25 00:59:42
○ 2026-05-04 08:35:08
○ 2026-07-24 09:04:12

●A15.156.99.2202026-07-24 → 2026-07-24 · 2 obs

○ 2026-07-20 05:21:12
● 2026-07-24 09:04:12

○A15.222.183.1832026-05-04 → 2026-05-04 · 4 obs

○ 2026-02-25 00:59:42
● 2026-05-04 08:35:08
○ 2026-07-20 05:21:12
○ 2026-07-24 09:04:12

○A3.98.35.2462026-02-23 → 2026-07-24 · 2 obs

○ 2026-02-23 23:37:24
○ 2026-07-24 09:04:12

○A35.182.18.2462026-07-20 → 2026-07-20 · 3 obs

○ 2026-05-04 08:35:08
● 2026-07-20 05:21:12
○ 2026-07-24 09:04:12

○A52.32.130.282015-12-21 → 2016-04-07 · 5 obs

○ 2015-10-12 19:11:56
● 2015-12-21 09:25:30
● 2016-04-07 18:07:18
○ 2017-07-04 12:46:00
○ 2026-07-24 09:04:12

○A52.60.119.1892017-07-04 → 2017-07-04 · 4 obs

○ 2016-04-07 18:07:18
● 2017-07-04 12:46:00
○ 2026-02-23 23:37:24
○ 2026-07-24 09:04:12

○A52.60.224.1482026-02-23 → 2026-07-24 · 2 obs

○ 2026-02-23 23:37:24
○ 2026-07-24 09:04:12

○A52.60.236.772026-02-23 → 2026-07-24 · 2 obs

○ 2026-02-23 23:37:24
○ 2026-07-24 09:04:12

○A52.60.72.252017-07-04 → 2017-07-04 · 4 obs

○ 2016-04-07 18:07:18
● 2017-07-04 12:46:00
○ 2026-02-23 23:37:24
○ 2026-07-24 09:04:12

○A54.218.42.692015-04-28 → 2015-10-12 · 4 obs

● 2015-04-28 18:51:28
● 2015-10-12 19:11:56
○ 2015-12-21 09:25:30
○ 2026-07-24 09:04:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	d.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca	-
dohertyengineering.ca	ns-376.awsdns-47.com, ns-591.awsdns-09.net, ns-1049.awsdns-03.org, ns-1971.awsdns-54.co.uk	-

✅ Authoritative Response

Server:205.251.199.179

NS records: ns-376.awsdns-47.com, ns-591.awsdns-09.net, ns-1049.awsdns-03.org, ns-1971.awsdns-54.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dohertyengineering.ca (unsigned zone)

⏱️ Timing

Total: 921ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`15.156.99.220`
NS	4	`ns-1049.awsdns-03.org, ns-1971.awsdns-54.co.uk...`
MX	1	`dohertyengineering-ca.mail.protection.ou`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns-1971.awsdns-54.co.uk awsdns-hostmaste`

Analysis

Hierarchy

www.dohertyengineering.ca is a subdomain of dohertyengineering.ca.

IP Addresses

dohertyengineering.ca resolves to just one IP address, 15.156.99.220.

doherty.engineering and www.dohertyengineering.ca are among other host names that share IP numbers with dohertyengineering.ca.

Name Servers

The NS records for dohertyengineering.ca point to four name servers: ns-376.awsdns-47.com, ns-591.awsdns-09.net, ns-1049.awsdns-03.org and ns-1971.awsdns-54.co.uk.

The name servers of dohertyengineering.ca overlap at least partially with those of other domains — among them apiculture.jp, rugzakcenter.be, 11.16.51.in-addr.arpa and two more.

The name servers ns-751.awsdns-29.net, ns-1291.awsdns-33.org and ns-1833.awsdns-37.co.uk are commonly seen alongside these name servers.

Each of the four hosts ns-376.awsdns-47.com, ns-591.awsdns-09.net, ns-1049.awsdns-03.org and ns-1971.awsdns-54.co.uk has two IP addresses. ns-376.awsdns-47.com points to 205.251.193.120 and 2600:9000:5301:7800::1. ns-591.awsdns-09.net points to 205.251.194.79 and 2600:9000:5302:4f00::1. ns-1049.awsdns-03.org points to 205.251.196.25 and 2600:9000:5304:1900::1. ns-1971.awsdns-54.co.uk points to 205.251.199.179 and 2600:9000:5307:b300::1.

Mail Servers

The sole mail server for dohertyengineering.ca is dohertyengineering-ca.mail.protection.outlook.com.

With 8 IP addresses total, dohertyengineering-ca.mail.protection.outlook.com resolves to 52.101.190.0, 52.101.190.1, 52.101.190.3 and 5 others.