`racknowledge.ca`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:1b88^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8ebc^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.136^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.188^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jo.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aac^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ac^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ac^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jo.ns.cloudflare.com`
		A	108.162.192.172^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
		A	172.64.32.172^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
		A	173.245.58.172^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
NS	`kobe.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cc1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kobe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kobe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kobe.ns.cloudflare.com`
		A	108.162.195.193^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kobe.ns.cloudflare.com`
		A	162.159.44.193^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kobe.ns.cloudflare.com`
		A	172.64.35.193^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kobe.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.27.136, 172.67.142.188
		IPv6	2606:4700:3033::6815:1b88, 2606:4700:3037::ac43:8ebc
SOA	`jo.ns.cloudflare.com`dns@cloudflare.com serial=2398435508

`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=2603271700

Same first word

racknowledge.ca

racknowledge.com

Similar names

arcknowledge.com

knowledgearc.com

knowledgearc.net

carknowledge.info

carknowledge.com

DNS History

22 records (6 active, 16 former)

●NSjo.ns.cloudflare.com2026-03-26 → 2026-03-27 · 3 obs

○ 2017-05-26 01:30:34
● 2026-03-26 02:56:04
● 2026-03-27 17:45:34

●NSkobe.ns.cloudflare.com2026-03-26 → 2026-03-27 · 3 obs

○ 2017-05-26 01:30:34
● 2026-03-26 02:56:04
● 2026-03-27 17:45:34

○NSns73.domaincontrol.com2015-05-11 → 2017-05-26 · 4 obs

● 2015-05-11 08:03:08
● 2017-05-26 01:30:34
○ 2026-03-26 02:56:04
○ 2026-03-27 17:45:34

○NSns74.domaincontrol.com2015-05-11 → 2017-05-26 · 4 obs

● 2015-05-11 08:03:08
● 2017-05-26 01:30:34
○ 2026-03-26 02:56:04
○ 2026-03-27 17:45:34

○MXmail.racknowledge.ca2015-10-26 → 2017-05-26 · 5 obs

○ 2015-05-11 08:03:08
● 2015-10-26 00:27:50
● 2017-05-26 01:30:34
○ 2026-03-26 02:56:04
○ 2026-03-27 17:45:34

○MXmailstore1.secureserver.net2015-05-11 → 2015-05-11 · 3 obs

● 2015-05-11 08:03:08
○ 2015-10-26 00:27:50
○ 2026-03-27 17:45:34

○MXsmtp.secureserver.net2015-05-11 → 2015-05-11 · 3 obs

● 2015-05-11 08:03:08
○ 2015-10-26 00:27:50
○ 2026-03-27 17:45:34

●A104.21.27.1362026-03-26 → 2026-03-27 · 3 obs

○ 2017-05-26 01:30:34
● 2026-03-26 02:56:04
● 2026-03-27 17:45:34

●A172.67.142.1882026-03-26 → 2026-03-27 · 3 obs

○ 2017-05-26 01:30:34
● 2026-03-26 02:56:04
● 2026-03-27 17:45:34

○A184.168.221.312017-05-26 → 2017-05-26 · 4 obs

○ 2016-09-26 18:27:00
● 2017-05-26 01:30:34
○ 2026-03-26 02:56:04
○ 2026-03-27 17:45:34

○A184.168.221.62017-05-26 → 2017-05-26 · 4 obs

○ 2016-09-26 18:27:00
● 2017-05-26 01:30:34
○ 2026-03-26 02:56:04
○ 2026-03-27 17:45:34

○A192.186.236.962015-10-26 → 2016-09-26 · 5 obs

○ 2015-05-11 08:03:08
● 2015-10-26 00:27:50
● 2016-09-26 18:27:00
○ 2017-05-26 01:30:34
○ 2026-03-27 17:45:34

●A2606:4700:3033::6815:1b882026-03-26 → 2026-03-27 · 3 obs

○ 2017-05-26 01:30:34
● 2026-03-26 02:56:04
● 2026-03-27 17:45:34

●A2606:4700:3037::ac43:8ebc2026-03-26 → 2026-03-27 · 3 obs

○ 2017-05-26 01:30:34
● 2026-03-26 02:56:04
● 2026-03-27 17:45:34

○A50.63.202.102015-05-11 → 2015-05-11 · 3 obs

● 2015-05-11 08:03:08
○ 2015-10-26 00:27:50
○ 2026-03-27 17:45:34

○A50.63.202.122017-05-26 → 2017-05-26 · 4 obs

○ 2016-09-26 18:27:00
● 2017-05-26 01:30:34
○ 2026-03-26 02:56:04
○ 2026-03-27 17:45:34

○A50.63.202.162017-05-26 → 2017-05-26 · 4 obs

○ 2016-09-26 18:27:00
● 2017-05-26 01:30:34
○ 2026-03-26 02:56:04
○ 2026-03-27 17:45:34

○A50.63.202.172017-05-26 → 2017-05-26 · 4 obs

○ 2016-09-26 18:27:00
● 2017-05-26 01:30:34
○ 2026-03-26 02:56:04
○ 2026-03-27 17:45:34

○A50.63.202.232017-05-26 → 2017-05-26 · 4 obs

○ 2016-09-26 18:27:00
● 2017-05-26 01:30:34
○ 2026-03-26 02:56:04
○ 2026-03-27 17:45:34

○A50.63.202.252017-05-26 → 2017-05-26 · 4 obs

○ 2016-09-26 18:27:00
● 2017-05-26 01:30:34
○ 2026-03-26 02:56:04
○ 2026-03-27 17:45:34

○A50.63.202.292017-05-26 → 2017-05-26 · 4 obs

○ 2016-09-26 18:27:00
● 2017-05-26 01:30:34
○ 2026-03-26 02:56:04
○ 2026-03-27 17:45:34

○A50.63.202.42017-05-26 → 2017-05-26 · 4 obs

○ 2016-09-26 18:27:00
● 2017-05-26 01:30:34
○ 2026-03-26 02:56:04
○ 2026-03-27 17:45:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, any.ca-servers.ca, j.ca-servers.ca, d.ca-servers.ca	-
racknowledge.ca	jo.ns.cloudflare.com, kobe.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.172

NS records: jo.ns.cloudflare.com, kobe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for racknowledge.ca (unsigned zone)

⏱️ Timing

Total: 379ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.142.188, 104.21.27.136`
AAAA	2	`2606:4700:3033::6815:1b88, 2606:4700:3037::ac43:8ebc`
NS	2	`jo.ns.cloudflare.com, kobe.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jo.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

racknowledge.ca points to four IP numbers: 2606:4700:3033::6815:1b88, 2606:4700:3037::ac43:8ebc, 104.21.27.136 and 172.67.142.188.

Other host names, for instance firewatch.com.br, dc5688.com, ochkoff-301000.ru, www.xtitjpiaoedam.space and marcytechsolutions.com share IP numbers with racknowledge.ca.

Name Servers

racknowledge.ca is delegated to two name servers: jo.ns.cloudflare.com and kobe.ns.cloudflare.com.

racknowledge.ca uses the same name server setup as other domains, for instance prvme.org, queensberry1867.us, qbrules.com, macrak.com and queensberryapparel.net.

racknowledge.ca shares name servers with other domains at least partially, for instance ethereum4mix.to, panthi.lk, mamibet.xyz, bronnikov.kiev.ua and uateka.com.

these name servers are often used with lilyana.ns.cloudflare.com, gabe.ns.cloudflare.com and logan.ns.cloudflare.com.

Host names with six IP numbers: jo.ns.cloudflare.com points to 2606:4700:50::adf5:3aac, 2803:f800:50::6ca2:c0ac, 2a06:98c1:50::ac40:20ac, 108.162.192.172, 172.64.32.172 and 173.245.58.172; kobe.ns.cloudflare.com points to 2606:4700:58::a29f:2cc1, 2803:f800:50::6ca2:c3c1, 2a06:98c1:50::ac40:23c1, 108.162.195.193, 162.159.44.193 and 172.64.35.193.

racknowledge.ca - robtex.com

racknowledge.ca

ca

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`racknowledge.ca`

`ca`