`softwareengineering.ca`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:b9a6^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:134d^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.77^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.166^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kurt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bc1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kurt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kurt.ns.cloudflare.com`
		A	108.162.193.193^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
		A	172.64.33.193^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
		A	173.245.59.193^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
NS	`laila.ns.cloudflare.com`
		A	2606:4700:50::a29f:267a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laila.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c27a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`laila.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:227a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`laila.ns.cloudflare.com`
		A	108.162.194.122^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laila.ns.cloudflare.com`
		A	162.159.38.122^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laila.ns.cloudflare.com`
		A	172.64.34.122^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laila.ns.cloudflare.com`
MX	`mail.softwareengineering.ca` ⭐
		A	184.107.112.78^{🇨🇦 AS32613184.107.0.0/16 iWeb Technologies Inc.}
			PTR	`r018.panelbox.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.77, 172.67.185.166
		IPv6 hints	2606:4700:3030::ac43:b9a6, 2606:4700:3032::6815:134d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=243, name=cloudflare-ech.com
SOA	`kurt.ns.cloudflare.com`dns@cloudflare.com serial=2405858435

`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=2606122230

Previously MX for

softwareengineering.ca

Subdomains

mail.softwareengineering.ca

Same first word

softwareengineering.com

softwareengineering.info

softwareengineering.ie

softwareengineering.biz

softwareengineering.ca

Similar names

engineeringsoftware.eu

engineeringsoftware.org

engineeringsoftware.biz

DNS History

19 records (7 active, 12 former)

●NSkurt.ns.cloudflare.com2026-02-16 → 2026-06-12 · 3 obs

○ 2020-03-11 12:23:30
● 2026-02-16 03:13:46
● 2026-06-12 23:31:32

●NSlaila.ns.cloudflare.com2026-02-16 → 2026-06-12 · 3 obs

○ 2020-03-11 12:23:30
● 2026-02-16 03:13:46
● 2026-06-12 23:31:32

○NSmy.privatedns.com2015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 03:58:38
○ 2015-12-24 13:13:26
○ 2026-06-12 23:31:32

○NSns1.io-servers.com2015-12-24 → 2020-03-11 · 5 obs

○ 2015-08-18 03:58:38
● 2015-12-24 13:13:26
● 2020-03-11 12:23:30
○ 2026-02-16 03:13:46
○ 2026-06-12 23:31:32

○NSns1.iweb-hosting.com2015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 03:58:38
○ 2015-12-24 13:13:26
○ 2026-06-12 23:31:32

○NSns2.io-servers.com2015-12-24 → 2020-03-11 · 5 obs

○ 2015-08-18 03:58:38
● 2015-12-24 13:13:26
● 2020-03-11 12:23:30
○ 2026-02-16 03:13:46
○ 2026-06-12 23:31:32

○NSns2.iweb-hosting.com2015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 03:58:38
○ 2015-12-24 13:13:26
○ 2026-06-12 23:31:32

●MXmail.softwareengineering.ca2026-02-16 → 2026-06-12 · 3 obs

○ 2020-03-11 12:23:30
● 2026-02-16 03:13:46
● 2026-06-12 23:31:32

○MXsoftwareengineering.ca2015-08-18 → 2020-03-11 · 4 obs

● 2015-08-18 03:58:38
● 2020-03-11 12:23:30
○ 2026-02-16 03:13:46
○ 2026-06-12 23:31:32

●A104.21.19.772026-04-09 → 2026-06-12 · 6 obs

○ 2026-02-16 03:13:46
● 2026-04-09 07:31:52
● 2026-06-07 14:42:36
○ 2026-06-10 00:39:48
● 2026-06-12 04:08:36
● 2026-06-12 23:31:32

●A172.67.185.1662026-04-09 → 2026-06-12 · 6 obs

○ 2026-02-16 03:13:46
● 2026-04-09 07:31:52
● 2026-06-07 14:42:36
○ 2026-06-10 00:39:48
● 2026-06-12 04:08:36
● 2026-06-12 23:31:32

○A188.114.96.02026-02-16 → 2026-06-10 · 7 obs

○ 2020-03-11 12:23:30
● 2026-02-16 03:13:46
○ 2026-04-09 07:31:52
○ 2026-06-07 14:42:36
● 2026-06-10 00:39:48
○ 2026-06-12 04:08:36
○ 2026-06-12 23:31:32

○A188.114.97.02026-02-16 → 2026-06-10 · 7 obs

○ 2020-03-11 12:23:30
● 2026-02-16 03:13:46
○ 2026-04-09 07:31:52
○ 2026-06-07 14:42:36
● 2026-06-10 00:39:48
○ 2026-06-12 04:08:36
○ 2026-06-12 23:31:32

●A2606:4700:3030::ac43:b9a62026-04-09 → 2026-06-12 · 6 obs

○ 2026-02-16 03:13:46
● 2026-04-09 07:31:52
● 2026-06-07 14:42:36
○ 2026-06-10 00:39:48
● 2026-06-12 04:08:36
● 2026-06-12 23:31:32

●A2606:4700:3032::6815:134d2026-04-09 → 2026-06-12 · 6 obs

○ 2026-02-16 03:13:46
● 2026-04-09 07:31:52
● 2026-06-07 14:42:36
○ 2026-06-10 00:39:48
● 2026-06-12 04:08:36
● 2026-06-12 23:31:32

○A2a06:98c1:3120::2026-02-16 → 2026-06-10 · 7 obs

○ 2020-03-11 12:23:30
● 2026-02-16 03:13:46
○ 2026-04-09 07:31:52
○ 2026-06-07 14:42:36
● 2026-06-10 00:39:48
○ 2026-06-12 04:08:36
○ 2026-06-12 23:31:32

○A2a06:98c1:3121::2026-02-16 → 2026-06-10 · 7 obs

○ 2020-03-11 12:23:30
● 2026-02-16 03:13:46
○ 2026-04-09 07:31:52
○ 2026-06-07 14:42:36
● 2026-06-10 00:39:48
○ 2026-06-12 04:08:36
○ 2026-06-12 23:31:32

○A72.55.186.662020-03-11 → 2020-03-11 · 4 obs

○ 2017-04-02 00:55:48
● 2020-03-11 12:23:30
○ 2026-02-16 03:13:46
○ 2026-06-12 23:31:32

○A72.55.186.712015-08-18 → 2017-04-02 · 4 obs

● 2015-08-18 03:58:38
● 2017-04-02 00:55:48
○ 2020-03-11 12:23:30
○ 2026-06-12 23:31:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca	-
softwareengineering.ca	kurt.ns.cloudflare.com, laila.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.122

NS records: kurt.ns.cloudflare.com, laila.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for softwareengineering.ca (unsigned zone)

⏱️ Timing

Total: 1874ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.185.166, 104.21.19.77`
AAAA	2	`2606:4700:3030::ac43:b9a6, 2606:4700:3032::6815:134d`
NS	2	`kurt.ns.cloudflare.com, laila.ns.cloudflare.com`
MX	1	`mail.softwareengineering.ca (pri: 0)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kurt.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

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

IP Addresses

softwareengineering.ca points to four IP numbers: 104.21.19.77, 172.67.185.166, 2606:4700:3030::ac43:b9a6 and 2606:4700:3032::6815:134d.

greatwestinvestments.com, helloaliceoh.com, ipowner.org and two other host names share IP numbers with softwareengineering.ca.

Name Servers

The NS records for softwareengineering.ca delegate to kurt.ns.cloudflare.com and laila.ns.cloudflare.com.

softwareengineering.ca uses the same name servers as several other domains — among them ayanza.com, teamday.ai, winonline.site and two more.

softwareengineering.ca has at least partial name server overlap with other domains, such as belairlines.com, zouhuanxi.com, ikes.com and two others.

It is common to find these name servers paired with the name servers miki.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

kurt.ns.cloudflare.com maps to 108.162.193.193, 172.64.33.193, 173.245.59.193 and 3 additional IP addresses.

laila.ns.cloudflare.com maps to 108.162.194.122, 162.159.38.122, 172.64.34.122 and 3 additional IP addresses.

Mail Servers

Mail for softwareengineering.ca is handled by a single mail server, mail.softwareengineering.ca.

mail.softwareengineering.ca resolves to 184.107.112.78 and no other IP number.

softwareengineering.ca - robtex.com