knowledgecircle.ca - dns.ninja

`knowledgecircle.ca`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:83c8^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:b29^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.11.41^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.200^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dean.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b99^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c199^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2199^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dean.ns.cloudflare.com`
		A	108.162.193.153^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	172.64.33.153^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	173.245.59.153^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
NS	`lady.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lady.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lady.ns.cloudflare.com`
		A	108.162.192.127^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
		A	172.64.32.127^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
		A	173.245.58.127^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c06::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f26.1e100.net`
		A	192.178.218.26^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
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}
			PTR	`dj-in-f26.1e100.net`
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}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=BHSO2WKEGPC45mRkbKMXtYlmS3w9VGzCtmsL9mu8xr4`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.11.41, 172.67.131.200
		IPv6 hints	2606:4700:3032::ac43:83c8, 2606:4700:3035::6815:b29
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=133, name=cloudflare-ech.com
SOA	`dean.ns.cloudflare.com`dns@cloudflare.com serial=2406177053

`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=2607252000

WOT: SUSPICIOUS (60/100)

Subdomains

www.knowledgecircle.ca

Same first word

knowledgecircle.com

knowledgecircle.ca

knowledgecircle.net

knowledgecircle.info

knowledgecircle.pt

DNS History

24 records (11 active, 13 former)

●NSdean.ns.cloudflare.com2026-03-17 → 2026-07-25 · 3 obs

○ 2017-08-25 16:33:50
● 2026-03-17 04:46:24
● 2026-07-25 21:05:58

●NSlady.ns.cloudflare.com2026-03-17 → 2026-07-25 · 3 obs

○ 2017-08-25 16:33:50
● 2026-03-17 04:46:24
● 2026-07-25 21:05:58

○NSns1.vianet.ca2015-06-10 → 2017-08-25 · 4 obs

● 2015-06-10 04:35:58
● 2017-08-25 16:33:50
○ 2026-03-17 04:46:24
○ 2026-07-25 21:05:58

○NSns2.vianet.ca2015-06-10 → 2017-08-25 · 4 obs

● 2015-06-10 04:35:58
● 2017-08-25 16:33:50
○ 2026-03-17 04:46:24
○ 2026-07-25 21:05:58

○NSns3.vianet.ca2015-06-10 → 2017-08-25 · 4 obs

● 2015-06-10 04:35:58
● 2017-08-25 16:33:50
○ 2026-03-17 04:46:24
○ 2026-07-25 21:05:58

○NSns4.vianet.ca2015-06-10 → 2017-08-25 · 4 obs

● 2015-06-10 04:35:58
● 2017-08-25 16:33:50
○ 2026-03-17 04:46:24
○ 2026-07-25 21:05:58

●MXalt1.aspmx.l.google.com2026-06-14 → 2026-07-25 · 3 obs

○ 2026-05-15 00:38:32
● 2026-06-14 01:21:16
● 2026-07-25 21:05:58

●MXalt2.aspmx.l.google.com2026-06-14 → 2026-07-25 · 3 obs

○ 2026-05-15 00:38:32
● 2026-06-14 01:21:16
● 2026-07-25 21:05:58

●MXalt3.aspmx.l.google.com2026-06-14 → 2026-07-25 · 3 obs

○ 2026-05-15 00:38:32
● 2026-06-14 01:21:16
● 2026-07-25 21:05:58

●MXalt4.aspmx.l.google.com2026-06-14 → 2026-07-25 · 3 obs

○ 2026-05-15 00:38:32
● 2026-06-14 01:21:16
● 2026-07-25 21:05:58

●MXaspmx.l.google.com2026-06-14 → 2026-07-25 · 3 obs

○ 2026-05-15 00:38:32
● 2026-06-14 01:21:16
● 2026-07-25 21:05:58

○MXmx1.vianet.ca2015-06-10 → 2026-05-15 · 4 obs

● 2015-06-10 04:35:58
● 2026-05-15 00:38:32
○ 2026-06-14 01:21:16
○ 2026-07-25 21:05:58

○MXmx2.vianet.ca2015-06-10 → 2026-05-15 · 4 obs

● 2015-06-10 04:35:58
● 2026-05-15 00:38:32
○ 2026-06-14 01:21:16
○ 2026-07-25 21:05:58

○MXmx3.vianet.ca2015-06-10 → 2026-05-15 · 4 obs

● 2015-06-10 04:35:58
● 2026-05-15 00:38:32
○ 2026-06-14 01:21:16
○ 2026-07-25 21:05:58

○MXmx4.vianet.ca2015-06-10 → 2026-05-15 · 4 obs

● 2015-06-10 04:35:58
● 2026-05-15 00:38:32
○ 2026-06-14 01:21:16
○ 2026-07-25 21:05:58

●A104.21.11.412026-03-17 → 2026-07-25 · 3 obs

○ 2017-08-25 16:33:50
● 2026-03-17 04:46:24
● 2026-07-25 21:05:58

●A172.67.131.2002026-03-17 → 2026-07-25 · 3 obs

○ 2017-08-25 16:33:50
● 2026-03-17 04:46:24
● 2026-07-25 21:05:58

○A192.81.171.702016-04-06 → 2017-08-25 · 5 obs

○ 2016-01-03 23:16:58
● 2016-04-06 18:29:20
● 2017-08-25 16:33:50
○ 2026-03-17 04:46:24
○ 2026-07-25 21:05:58

○A209.91.159.2182015-06-10 → 2015-06-10 · 3 obs

● 2015-06-10 04:35:58
○ 2015-11-02 07:49:38
○ 2026-07-25 21:05:58

○A2606:4700:3030::ac43:83c82026-03-17 → 2026-06-17 · 5 obs

○ 2017-08-25 16:33:50
● 2026-03-17 04:46:24
● 2026-06-17 17:33:22
○ 2026-07-12 04:21:40
○ 2026-07-25 21:05:58

○A2606:4700:3032::6815:b292026-03-17 → 2026-06-17 · 5 obs

○ 2017-08-25 16:33:50
● 2026-03-17 04:46:24
● 2026-06-17 17:33:22
○ 2026-07-12 04:21:40
○ 2026-07-25 21:05:58

●A2606:4700:3032::ac43:83c82026-07-12 → 2026-07-25 · 3 obs

○ 2026-06-17 17:33:22
● 2026-07-12 04:21:40
● 2026-07-25 21:05:58

●A2606:4700:3035::6815:b292026-07-12 → 2026-07-25 · 3 obs

○ 2026-06-17 17:33:22
● 2026-07-12 04:21:40
● 2026-07-25 21:05:58

○A67.231.24.1552015-11-02 → 2016-01-03 · 5 obs

○ 2015-06-10 04:35:58
● 2015-11-02 07:49:38
● 2016-01-03 23:16:58
○ 2016-04-06 18:29:20
○ 2026-07-25 21:05:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	j.ca-servers.ca, c.ca-servers.ca, d.ca-servers.ca, any.ca-servers.ca	-
knowledgecircle.ca	dean.ns.cloudflare.com, lady.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.153

NS records: dean.ns.cloudflare.com, lady.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgecircle.ca (unsigned zone)

⏱️ Timing

Total: 734ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.200, 104.21.11.41`
AAAA	2	`2606:4700:3032::ac43:83c8, 2606:4700:3035::6815:b29`
NS	2	`dean.ns.cloudflare.com, lady.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=BHSO2WKEGPC45mR, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dean.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

knowledgecircle.ca serves as the parent of www.knowledgecircle.ca.

IP Addresses

knowledgecircle.ca has four IP addresses: 104.21.11.41, 172.67.131.200, 2606:4700:3032::ac43:83c8 and 2606:4700:3035::6815:b29.

Additional host names — svg.aolifu.org, exceedenthealthsystems.com, savethensa.com and two others — share IP numbers with knowledgecircle.ca.

Name Servers

knowledgecircle.ca is delegated to two name servers: dean.ns.cloudflare.com and lady.ns.cloudflare.com.

knowledgecircle.ca shares its name server setup with other domains, including ecite.ca, epilert.io, bokprost.com and two others.

knowledgecircle.ca has at least partial name server overlap with other domains, such as e3.realestate, etzchaimindy.org, icarrycontainers.com and two others.

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

Host names with 6 IP numbers:

dean.ns.cloudflare.com resolves to 108.162.193.153, 172.64.33.153, 173.245.59.153 and 3 other IP addresses.

lady.ns.cloudflare.com resolves to 108.162.192.127, 172.64.32.127, 173.245.58.127 and 3 other IP addresses.

Mail Servers

Mail for knowledgecircle.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.

knowledgecircle.ca shares mail servers — at least in part — with other domains, including gozodog.com, grizzlymadams.com, ns500731.ns500731.ns500671.ns500754.ns500704.ns500671.ns500742.ns500704.ns500704.ns500731.ns500649.ns500649.ns500666.ns500291.ns500291.ns500131.lustychickser.com and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com points to 192.178.218.26 and 2607:f8b0:4004:c06::1a.

alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

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

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

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1a.