`mxfilter.jkb.ca`

DNSSEC	⚠️ Not signed
A	38.46.152.139^{🇺🇸 COGENT38.46.152.0/24}
		PTR	`mxfilter.jkb.ca`

`jkb.ca`

	DNSSEC	⚠️ Not signed
	A	75.98.175.94^{🇺🇸 A2HOSTING75.98.160.0/20 A2 Hosting, Inc.}
	NS	`ns11.cloudns.net` ⭐ ⚠️ Not in parent delegation
	NS	`ns12.cloudns.net` ⚠️ Not in parent delegation
	NS	`ns13.cloudns.net` ⚠️ Not in parent delegation
	NS	`ns14.cloudns.net` ⚠️ Not in parent delegation
	NS	`pns1.cloudns.net` ⚠️ Not in parent delegation
	NS	`pns10.cloudns.net`
	NS	`pns2.cloudns.net`
	NS	`pns3.cloudns.net`
	NS	`pns4.cloudns.net`
	NS	`pns5.cloudns.net` ⚠️ Not in parent delegation
	NS	`pns6.cloudns.net` ⚠️ Not in parent delegation
	NS	`pns7.cloudns.net` ⚠️ Not in parent delegation
	NS	`pns8.cloudns.net` ⚠️ Not in parent delegation
	NS	`pns9.cloudns.net` ⚠️ Not in parent delegation
	MX	`jkb-ca.mail.protection.outlook.com` ⭐
	TXT	`uymC1dd6MTCLJZ74eD5yV4eAHyxt/Kx/kV6kRJgzmfZJDWmfRNhhrH79bvf3QK3hNRybd3zdYKlEw...`
	TXT	`MS=ms63096274`
	TXT	`v=spf1 ip4:38.46.152.0/24 include:spf.myconnectwise.net include:spf.protectio...`
	SOA	`ns11.cloudns.net`support@jkb.ca 2026-03-25 #1

PTR for

139.133.158.98.in-addr.arpa

139.152.46.38.in-addr.arpa

MX for

jkbnetworks.biz

Previously MX for

executiveneeds.com

mfda.ca

inmobus.com

ywcatoronto.org

surprize-enterprize.com

www.sportality.com

jkb.ca

digitaledgeservices.ca

doctorgreen.com

ursustransport.com

mmelectric.ca

diabetes.ca

sportality.com

Same first word

mxfilter.email

mxfilter.de

mxfilter.co.uk

mxfilter.com

mxfilter.net

mxfilter.cloud

Similar names

flexmirt.com

flextrim.com

trexfilm.com

filmtrex.com

filtermx.com

filtermx.org

flextrim.no

flexmirt.net

filtermx.net

DNS History

2 records (1 active, 1 former)

●A38.46.152.1392026-02-17 → 2026-03-29 · 3 obs

○ 2016-12-27 07:38:34
● 2026-02-17 06:40:02
● 2026-03-29 07:33:14

○A98.158.133.1392015-08-03 → 2016-12-27 · 4 obs

● 2015-08-03 02:32:42
● 2016-12-27 07:38:34
○ 2026-02-17 06:40:02
○ 2026-03-29 07:33:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	any.ca-servers.ca, c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca	-
jkb.ca	pns1.cloudns.net, pns2.cloudns.net, pns3.cloudns.net, pns4.cloudns.net	-

✅ Authoritative Response

Server:185.136.99.111

NS records: pns1.cloudns.net, pns2.cloudns.net, pns3.cloudns.net, pns4.cloudns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jkb.ca (unsigned zone)

⏱️ Timing

Total: 290ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.46.152.139`

Analysis

Mail Server Role

mxfilter.jkb.ca is the mail server for jkbnetworks.biz.

IP Addresses

mxfilter.jkb.ca points to a single IP number: 38.46.152.139.

mxfilter.jkb.ca - robtex.com

mxfilter.jkb.ca

jkb.ca