`mail2.certainkey.ca`

DNSSEC	⚠️ Not signed
A	52.60.173.123^{🇨🇦 Amazon52.60.128.0/17}
		PTR	`ec2-52-60-173-123.ca-central-1.compute.amazonaws.com`

`certainkey.ca`

	DNSSEC	⚠️ Not signed
	A	52.60.77.155^{🇨🇦 Amazon52.60.64.0/18}
	NS	`ns2.he.net` ⭐ ⚠️ Not in parent delegation
	NS	`ns.he.net`
	NS	`ns1.he.net` ⚠️ Not in zone NS records
	NS	`ns3.he.net`
	NS	`ns4.he.net`
	NS	`ns5.he.net`
	MX	`mail2.certainkey.ca` ⭐
	MX	`mail.certainkey.ca`⁽¹⁰⁾
	TXT	`v=spf1 ip4:52.60.173.123 ip4:52.60.77.155 ptr:rogers.ca include:carleton.ca i...`
	SOA	`ns1.he.net`hostmaster@he.net 2020-06-01 #1

MX for

certainkey.ca

Same first word

mail2.df.gov.br

mail2.myfritz.net

mail2.com

mail2.dyndns.org

mail2.la

mail2.cloudaccess.net

mail2.email

mail2.asia

mail2.ru

mail2.do

mail2.net

mail2.gouv.ci

mail2.se

mail2.us

mail2.nl

mail2.in

mail2.ch

mail2.fi

mail2.xyz

mail2.name

mail2.dk

mail2.gouv.ml

mail2.cn

mail2.app

mail2.sakura.ne.jp

mail2.cc

mail2.co

mail2.kapsi.fi

mail2.gov.pt

mail2.est.pr

mail2.ras.ru

mail2.altervista.org

mail2.mil.ru

mail2.kinghost.net

mail2.mobi

mail2.eu

mail2.iki.fi

mail2.you

mail2.no-ip.org

mail2.cloudapp.net

mail2.cz

mail2.me

mail2.hu

mail2.ph

mail2.ca

mail2.de

mail2.nhs.uk

mail2.im

Similar names

2mail.co

2mail.de

2mila.it

2mail.fr

2mail.online

2mail.ca

2mail.co.za

2mail.ch

a2mil.com

2mail.ro

2mail.org

2mail.dk

2mail.serveftp.com

lima2.com

alim2.com

2mail.io

2mail.ru

2mail.space

2mail.com

2mail.net

2mail.com.ua

2mail.eu

2mail.pro

2mail.at

2mail.nl

2mail.im

ml2ai.com

DNS History

2 records (1 active, 1 former)

○A173.230.137.522015-07-18 → 2016-03-13 · 4 obs

● 2015-07-18 16:24:58
● 2016-03-13 22:43:08
○ 2026-03-26 12:16:08
○ 2026-03-28 02:19:04

●A52.60.173.1232026-03-26 → 2026-03-28 · 3 obs

○ 2016-03-13 22:43:08
● 2026-03-26 12:16:08
● 2026-03-28 02:19:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca	-
certainkey.ca	ns.he.net, ns3.he.net, ns5.he.net, ns2.he.net...	-

✅ Authoritative Response

Server:216.66.1.2

NS records: ns.he.net, ns3.he.net, ns5.he.net, ns2.he.net, ns4.he.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certainkey.ca (unsigned zone)

⏱️ Timing

Total: 435ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.60.173.123`

Analysis

Mail Server Role

mail2.certainkey.ca acts as a mail server for certainkey.ca.

mail.certainkey.ca is commonly used as a mail server in conjunction with mail2.certainkey.ca.

IP Addresses

mail2.certainkey.ca points to a single IP number: 52.60.173.123.

Other host names, for instance ns2.certainkey.ca and ec2-52-60-173-123.ca-central-1.compute.amazonaws.com, share IP numbers with mail2.certainkey.ca.

mail2.certainkey.ca - robtex.com