🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`secondhandknowledge.ca`

DNSSEC	⚠️ Not signed
A	52.45.81.80^{🇺🇸 Amazon52.44.0.0/15 EC2 Region prefix}
		PTR	`ec2-52-45-81-80.compute-1.amazonaws.com`
NS	`ns1411.websiteservername.com` ⭐
		A	2400:cb00:2049:1::a29f:306a^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.48.106^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1412.websiteservername.com`
		A	2400:cb00:2049:1::a29f:31f2^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.49.242^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mail.secondhandknowledge.ca` ⭐
		A	216.8.159.91^{🇨🇦 MNSI216.8.128.0/19 Sub-Block-A}
			PTR	`in.kent.net`
			PTR	`out.kent.net`
TXT	`v=spf1 a mx a:mail.secondhandknowledge.ca ip4:216.8.159.91 ?all`
SOA	`ns1411.websiteservername.com`admin@websiteservername.com 2024-12-09 #2

`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=2610061100

Subdomains

mail.secondhandknowledge.ca

Same first word

secondhandknowledge.com

secondhandknowledge.ca

secondhandknowledge.net

Previous names

Next names

DNS History

11 records (4 active, 7 former)

○NSns.kent.net2015-08-10 → 2020-04-12 · 4 obs

● 2015-08-10 06:56:56
● 2020-04-12 02:55:50
○ 2026-08-22 09:11:14
○ 2026-10-06 12:03:20

●NSns1411.websiteservername.com2026-08-22 → 2026-10-06 · 3 obs

○ 2020-04-12 02:55:50
● 2026-08-22 09:11:14
● 2026-10-06 12:03:20

●NSns1412.websiteservername.com2026-08-22 → 2026-10-06 · 3 obs

○ 2020-04-12 02:55:50
● 2026-08-22 09:11:14
● 2026-10-06 12:03:20

○NSns2.kent.net2015-08-10 → 2020-04-12 · 4 obs

● 2015-08-10 06:56:56
● 2020-04-12 02:55:50
○ 2026-08-22 09:11:14
○ 2026-10-06 12:03:20

○NSns3.kent.net2015-08-10 → 2016-07-11 · 4 obs

● 2015-08-10 06:56:56
● 2016-07-11 22:28:10
○ 2017-03-23 23:20:18
○ 2026-10-06 12:03:20

○MXindoors.kent.net2015-08-10 → 2015-12-19 · 4 obs

● 2015-08-10 06:56:56
● 2015-12-19 11:07:44
○ 2016-07-11 22:28:10
○ 2026-10-06 12:03:20

○MXmail.kent.net2016-07-11 → 2017-03-23 · 5 obs

○ 2015-12-19 11:07:44
● 2016-07-11 22:28:10
● 2017-03-23 23:20:18
○ 2020-04-12 02:55:50
○ 2026-10-06 12:03:20

●MXmail.secondhandknowledge.ca2020-04-12 → 2026-10-06 · 3 obs

○ 2017-03-23 23:20:18
● 2020-04-12 02:55:50
● 2026-10-06 12:03:20

○A50.56.166.802015-08-10 → 2015-12-19 · 4 obs

● 2015-08-10 06:56:56
● 2015-12-19 11:07:44
○ 2016-07-11 22:28:10
○ 2026-10-06 12:03:20

●A52.45.81.802020-04-12 → 2026-10-06 · 3 obs

○ 2017-03-23 23:20:18
● 2020-04-12 02:55:50
● 2026-10-06 12:03:20

○A52.8.106.2142016-07-11 → 2017-03-23 · 5 obs

○ 2015-12-19 11:07:44
● 2016-07-11 22:28:10
● 2017-03-23 23:20:18
○ 2020-04-12 02:55:50
○ 2026-10-06 12:03:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	d.ca-servers.ca, c.ca-servers.ca, any.ca-servers.ca, j.ca-servers.ca	-
secondhandknowledge.ca	ns1412.websiteservername.com, ns1411.websiteservername.com	-

✅ Authoritative Response

Server:162.159.49.242

NS records: ns1412.websiteservername.com, ns1411.websiteservername.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for secondhandknowledge.ca (unsigned zone)

⏱️ Timing

Total: 2479ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.45.81.80`
NS	2	`ns1411.websiteservername.com, ns1412.websiteservername.com`
MX	1	`mail.secondhandknowledge.ca (pri: 10)`
TXT	1	`v=spf1 a mx a:mail.secondhandknowledge.c`
SOA	1	`ns1411.websiteservername.com admin.websi`

Analysis

Hierarchy

secondhandknowledge.ca is the parent zone for mail.secondhandknowledge.ca.

IP Addresses

secondhandknowledge.ca resolves to one IP address: 52.45.81.80.

ec2-52-45-81-80.compute-1.amazonaws.com, reedsinc.com, leastsolutions.com and two other host names share IP numbers with secondhandknowledge.ca.

Name Servers

secondhandknowledge.ca uses two name servers for its delegation: ns1411.websiteservername.com and ns1412.websiteservername.com.

secondhandknowledge.ca uses the same name servers as several other domains — among them arcadiusmaze.com, danmcmillanbooks.com, shamenamaharaj.com and two more.

secondhandknowledge.ca partially shares its NS delegation with several other domains, including tamarapenn.com, doverduds.com, svanebooks.com and two others.

The name servers ns1.websiteservername.com, ns2.websiteservername.com, ns1081.websiteservername.com and ns1082.websiteservername.com are often found in use alongside these name servers.

The two host names ns1411.websiteservername.com and ns1412.websiteservername.com each have a pair of IP addresses: ns1411.websiteservername.com has 162.159.48.106 and 2400:cb00:2049:1::a29f:306a, and ns1412.websiteservername.com has 162.159.49.242 and 2400:cb00:2049:1::a29f:31f2.

Mail Servers

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

mail.secondhandknowledge.ca directs to just one IP number, 216.8.159.91.

secondhandknowledge.ca - robtex.com