`systemdesign.ca`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:a9e6^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5792^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.146^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.230^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mike.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mike.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c33f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mike.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:233f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mike.ns.cloudflare.com`
		A	108.162.195.63^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mike.ns.cloudflare.com`
		A	162.159.44.63^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mike.ns.cloudflare.com`
		A	172.64.35.63^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mike.ns.cloudflare.com`
NS	`molly.ns.cloudflare.com`
		A	2606:4700:50::adf5:3acd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`molly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0cd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`molly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20cd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`molly.ns.cloudflare.com`
		A	108.162.192.205^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`molly.ns.cloudflare.com`
		A	172.64.32.205^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`molly.ns.cloudflare.com`
		A	173.245.58.205^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`molly.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.146, 172.67.169.230
		IPv6 hints	2606:4700:3031::ac43:a9e6, 2606:4700:3037::6815:5792
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=41, name=cloudflare-ech.com
SOA	`mike.ns.cloudflare.com`dns@cloudflare.com serial=2409984899

`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=2608080300

Same first word

Similar names

DNS History

27 records (6 active, 21 former)

●NSmike.ns.cloudflare.com2026-07-15 → 2026-08-08 · 3 obs

○ 2026-02-28 22:38:54
● 2026-07-15 18:42:58
● 2026-08-08 04:21:38

●NSmolly.ns.cloudflare.com2026-07-15 → 2026-08-08 · 3 obs

○ 2026-02-28 22:38:54
● 2026-07-15 18:42:58
● 2026-08-08 04:21:38

○NSns07.domaincontrol.com2018-07-21 → 2018-07-21 · 4 obs

○ 2017-01-14 19:15:18
● 2018-07-21 00:39:18
○ 2026-02-28 22:38:54
○ 2026-08-08 04:21:38

○NSns08.domaincontrol.com2018-07-21 → 2018-07-21 · 4 obs

○ 2017-01-14 19:15:18
● 2018-07-21 00:39:18
○ 2026-02-28 22:38:54
○ 2026-08-08 04:21:38

○NSns1.meganameservers.com2015-07-09 → 2017-01-14 · 4 obs

● 2015-07-09 14:12:46
● 2017-01-14 19:15:18
○ 2018-07-21 00:39:18
○ 2026-08-08 04:21:38

○NSns2.meganameservers.com2015-07-09 → 2017-01-14 · 4 obs

● 2015-07-09 14:12:46
● 2017-01-14 19:15:18
○ 2018-07-21 00:39:18
○ 2026-08-08 04:21:38

○NSns3.meganameservers.com2015-07-09 → 2017-01-14 · 4 obs

● 2015-07-09 14:12:46
● 2017-01-14 19:15:18
○ 2018-07-21 00:39:18
○ 2026-08-08 04:21:38

○MXmx1.megamailservers.com2015-07-09 → 2017-01-14 · 4 obs

● 2015-07-09 14:12:46
● 2017-01-14 19:15:18
○ 2018-07-21 00:39:18
○ 2026-08-08 04:21:38

○MXmx2.megamailservers.com2015-07-09 → 2017-01-14 · 4 obs

● 2015-07-09 14:12:46
● 2017-01-14 19:15:18
○ 2018-07-21 00:39:18
○ 2026-08-08 04:21:38

○MXmx3.megamailservers.com2015-07-09 → 2017-01-14 · 4 obs

● 2015-07-09 14:12:46
● 2017-01-14 19:15:18
○ 2018-07-21 00:39:18
○ 2026-08-08 04:21:38

●A104.21.87.1462026-07-22 → 2026-08-08 · 3 obs

○ 2026-07-15 18:42:58
● 2026-07-22 03:22:56
● 2026-08-08 04:21:38

●A172.67.169.2302026-07-22 → 2026-08-08 · 3 obs

○ 2026-07-15 18:42:58
● 2026-07-22 03:22:56
● 2026-08-08 04:21:38

○A184.168.221.462018-07-21 → 2018-07-21 · 4 obs

○ 2017-01-14 19:15:18
● 2018-07-21 00:39:18
○ 2026-02-28 22:38:54
○ 2026-08-08 04:21:38

○A184.168.221.552018-07-21 → 2018-07-21 · 4 obs

○ 2017-01-14 19:15:18
● 2018-07-21 00:39:18
○ 2026-02-28 22:38:54
○ 2026-08-08 04:21:38

○A184.168.221.622018-07-21 → 2018-07-21 · 4 obs

○ 2017-01-14 19:15:18
● 2018-07-21 00:39:18
○ 2026-02-28 22:38:54
○ 2026-08-08 04:21:38

○A188.114.96.42026-07-15 → 2026-07-15 · 4 obs

○ 2026-02-28 22:38:54
● 2026-07-15 18:42:58
○ 2026-07-22 03:22:56
○ 2026-08-08 04:21:38

○A188.114.97.42026-07-15 → 2026-07-15 · 4 obs

○ 2026-02-28 22:38:54
● 2026-07-15 18:42:58
○ 2026-07-22 03:22:56
○ 2026-08-08 04:21:38

○A216.251.43.112015-07-09 → 2017-01-14 · 4 obs

● 2015-07-09 14:12:46
● 2017-01-14 19:15:18
○ 2018-07-21 00:39:18
○ 2026-08-08 04:21:38

●A2606:4700:3031::ac43:a9e62026-07-22 → 2026-08-08 · 3 obs

○ 2026-07-15 18:42:58
● 2026-07-22 03:22:56
● 2026-08-08 04:21:38

●A2606:4700:3037::6815:57922026-07-22 → 2026-08-08 · 3 obs

○ 2026-07-15 18:42:58
● 2026-07-22 03:22:56
● 2026-08-08 04:21:38

○A2a06:98c1:3120::2026-07-15 → 2026-07-15 · 4 obs

○ 2026-02-28 22:38:54
● 2026-07-15 18:42:58
○ 2026-07-22 03:22:56
○ 2026-08-08 04:21:38

○A2a06:98c1:3121::2026-07-15 → 2026-07-15 · 4 obs

○ 2026-02-28 22:38:54
● 2026-07-15 18:42:58
○ 2026-07-22 03:22:56
○ 2026-08-08 04:21:38

○A50.63.202.372018-07-21 → 2018-07-21 · 4 obs

○ 2017-01-14 19:15:18
● 2018-07-21 00:39:18
○ 2026-02-28 22:38:54
○ 2026-08-08 04:21:38

○A50.63.202.382018-07-21 → 2018-07-21 · 4 obs

○ 2017-01-14 19:15:18
● 2018-07-21 00:39:18
○ 2026-02-28 22:38:54
○ 2026-08-08 04:21:38

○A50.63.202.392018-07-21 → 2018-07-21 · 4 obs

○ 2017-01-14 19:15:18
● 2018-07-21 00:39:18
○ 2026-02-28 22:38:54
○ 2026-08-08 04:21:38

○A50.63.202.472018-07-21 → 2018-07-21 · 4 obs

○ 2017-01-14 19:15:18
● 2018-07-21 00:39:18
○ 2026-02-28 22:38:54
○ 2026-08-08 04:21:38

○A50.63.202.492018-07-21 → 2018-07-21 · 4 obs

○ 2017-01-14 19:15:18
● 2018-07-21 00:39:18
○ 2026-02-28 22:38:54
○ 2026-08-08 04:21:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	j.ca-servers.ca, c.ca-servers.ca, d.ca-servers.ca, any.ca-servers.ca	-
systemdesign.ca	mike.ns.cloudflare.com, molly.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.63

NS records: mike.ns.cloudflare.com, molly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemdesign.ca (unsigned zone)

⏱️ Timing

Total: 502ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.169.230, 104.21.87.146`
AAAA	2	`2606:4700:3031::ac43:a9e6, 2606:4700:3037::6815:5792`
NS	2	`mike.ns.cloudflare.com, molly.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mike.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

systemdesign.ca has four IP addresses: 104.21.87.146, 172.67.169.230, 2606:4700:3031::ac43:a9e6 and 2606:4700:3037::6815:5792.

Among the host names that share IP numbers with systemdesign.ca are ralichange-qa.com, claude.asia, jackpotmaniahub.co.uk and two others.

Name Servers

Two name servers handle the delegation for systemdesign.ca: mike.ns.cloudflare.com and molly.ns.cloudflare.com.

systemdesign.ca has the same name server delegation as a number of other domains, such as budapestbar.hu, stagepass.hu, dpreview.nu and two more.

systemdesign.ca has at least partial name server overlap with other domains, such as 7k1785w.casino, 7slots2107.com, 426fitness.com and two others.

It is common to see these name servers used together with name servers treasure.ns.cloudflare.com and roman.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

mike.ns.cloudflare.com resolves to 108.162.195.63, 162.159.44.63 and 172.64.35.63 among others, with 3 other IP addresses in total.

molly.ns.cloudflare.com resolves to 108.162.192.205, 172.64.32.205 and 173.245.58.205 among others, with 3 other IP addresses in total.

systemdesign.ca - robtex.com

systemdesign.ca

ca

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`systemdesign.ca`

`ca`