🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`plexdevelopments-ca.mail.protection.outlook.com`

DNSSEC	⚠️ Not signed
A	2a01:111:f403:c942::^{🇨🇦 Microsoft2a01:111:f000::/36}
		PTR	`mail-yt5pr01cu00100.inbound.protection.outlook.com`
A	2a01:111:f403:c942::2^{🇨🇦 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:c944::^{🇨🇦 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:c944::1^{🇨🇦 Microsoft2a01:111:f000::/36}
A	52.101.190.0^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.190.3^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.192.0^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.192.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}

`mail.protection.outlook.com`

	DNSSEC	⚠️ Not signed
	NS	`ns1-proddns.glbdns.o365filtering.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns1-proddns.glbdns.protection.outlook.com` ⚠️ Not in zone NS records
	NS	`ns2-proddns.glbdns.o365filtering.com` ⚠️ Not in parent delegation
	NS	`ns2-proddns.glbdns.protection.outlook.com` ⚠️ Not in zone NS records
	NS	`ns3-proddns.glbdns.protection.outlook.com` ⚠️ Not in zone NS records
	NS	`ns4-proddns.glbdns.protection.outlook.com` ⚠️ Not in zone NS records
	NS	`ns5-proddns.glbdns.protection.outlook.com` ⚠️ Not in zone NS records
	NS	`ns6-proddns.glbdns.protection.outlook.com` ⚠️ Not in zone NS records
	NS	`ns7-proddns.glbdns.protection.outlook.com` ⚠️ Not in zone NS records
	SOA	`ns1-proddns.glbdns.o365filtering.com`hostmaster@o365filtering.com 2013-01-08 #1

WOT: SAFE (60/100)
WOT: SAFE (63/100)

MX for

plexdevelopments.ca

Previous names

Next names

DNS History

12 records (8 active, 4 former)

●A2a01:111:f403:c942::2026-09-24 → 2026-10-12 · 4 obs

○ 2026-09-19 21:10:00
● 2026-09-24 06:07:02
○ 2026-10-09 13:55:20
● 2026-10-12 19:37:48

○A2a01:111:f403:c942::12026-09-19 → 2026-09-27 · 4 obs

● 2026-09-19 21:10:00
○ 2026-09-24 06:07:02
● 2026-09-27 08:23:34
○ 2026-10-12 19:37:48

●A2a01:111:f403:c942::22026-09-27 → 2026-10-12 · 5 obs

○ 2026-09-24 06:07:02
● 2026-09-27 08:23:34
○ 2026-10-08 23:18:50
● 2026-10-09 13:55:20
● 2026-10-12 19:37:48

○A2a01:111:f403:c942::32026-09-19 → 2026-10-08 · 4 obs

● 2026-09-19 21:10:00
○ 2026-09-27 08:23:34
● 2026-10-08 23:18:50
○ 2026-10-12 19:37:48

●A2a01:111:f403:c944::2026-09-19 → 2026-10-12 · 4 obs

● 2026-09-19 21:10:00
○ 2026-09-27 08:23:34
● 2026-10-09 13:55:20
● 2026-10-12 19:37:48

●A2a01:111:f403:c944::12026-09-19 → 2026-10-12 · 3 obs

● 2026-09-19 21:10:00
○ 2026-10-09 13:55:20
● 2026-10-12 19:37:48

●A52.101.190.02026-09-24 → 2026-10-12 · 3 obs

○ 2026-09-19 21:10:00
● 2026-09-24 06:07:02
● 2026-10-12 19:37:48

○A52.101.190.12026-09-19 → 2026-09-19 · 2 obs

● 2026-09-19 21:10:00
○ 2026-10-12 19:37:48

○A52.101.190.22026-09-19 → 2026-10-09 · 4 obs

● 2026-09-19 21:10:00
○ 2026-10-08 23:18:50
● 2026-10-09 13:55:20
○ 2026-10-12 19:37:48

●A52.101.190.32026-09-19 → 2026-10-12 · 4 obs

● 2026-09-19 21:10:00
○ 2026-09-27 08:23:34
● 2026-10-09 13:55:20
● 2026-10-12 19:37:48

●A52.101.192.02026-09-27 → 2026-10-12 · 4 obs

○ 2026-09-24 06:07:02
● 2026-09-27 08:23:34
○ 2026-10-09 13:55:20
● 2026-10-12 19:37:48

●A52.101.192.12026-09-19 → 2026-10-12 · 5 obs

● 2026-09-19 21:10:00
○ 2026-09-24 06:07:02
● 2026-10-08 23:18:50
○ 2026-10-09 13:55:20
● 2026-10-12 19:37:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mail.protection.outlook.com	ns1-proddns.glbdns.protection.outlook.com, ns2-proddns.glbdns.protection.outlook.com, ns6-proddns.glbdns.protection.outlook.com, ns7-proddns.glbdns.protection.outlook.com...	-

✅ Authoritative Response

Server:52.102.27.86

NS records: ns1-proddns.glbdns.protection.outlook.com, ns2-proddns.glbdns.protection.outlook.com, ns6-proddns.glbdns.protection.outlook.com, ns7-proddns.glbdns.protection.outlook.com, ns3-proddns.glbdns.protection.outlook.com, ns5-proddns.glbdns.protection.outlook.com, ns4-proddns.glbdns.protection.outlook.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mail.protection.outlook.com (unsigned zone)

⏱️ Timing

Total: 286ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.101.192.1, 52.101.190.0...`
AAAA	4	`2a01:111:f403:c942::, 2a01:111:f403:c944::1...`

Analysis

Mail Server Role

plexdevelopments.ca uses plexdevelopments-ca.mail.protection.outlook.com as a mail server.

IP Addresses

plexdevelopments-ca.mail.protection.outlook.com has 8 IP addresses — 52.101.190.0, 52.101.190.3, 52.101.192.0 and 5 more.

optimumwaste-com.mail.protection.outlook.com, outlierresources.mail.protection.outlook.com, chameleonbusiness-com.mail.protection.outlook.com and two other host names share IP numbers with plexdevelopments-ca.mail.protection.outlook.com.

plexdevelopments-ca.mail.protection.outlook.com - robtex.com