`fivecomputing-com.mail.protection.outlook.com`

DNSSEC	⚠️ Not signed
A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
		PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:ca1a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.99.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.99.2^{🇬🇧 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
	SOA	`ns1-proddns.glbdns.o365filtering.com`hostmaster@o365filtering.com 2013-01-08 #1

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

MX for

fivecomputing.com

DNS History

10 records (8 active, 2 former)

●A2a01:111:f403:ca0b::2026-03-22 → 2026-05-13 · 4 obs

● 2026-03-22 18:53:04
● 2026-03-26 12:32:06
○ 2026-05-12 03:53:56
● 2026-05-13 20:02:44

○A2a01:111:f403:ca0b::12026-05-12 → 2026-05-12 · 3 obs

○ 2026-03-26 12:32:06
● 2026-05-12 03:53:56
○ 2026-05-13 20:02:44

●A2a01:111:f403:ca0b::22026-03-22 → 2026-05-13 · 2 obs

● 2026-03-22 18:53:04
● 2026-05-13 20:02:44

●A2a01:111:f403:ca1a::2026-03-22 → 2026-05-13 · 2 obs

● 2026-03-22 18:53:04
● 2026-05-13 20:02:44

●A2a01:111:f403:ca1a::12026-03-22 → 2026-05-13 · 2 obs

● 2026-03-22 18:53:04
● 2026-05-13 20:02:44

●A52.101.89.02026-03-26 → 2026-05-13 · 3 obs

○ 2026-03-22 18:53:04
● 2026-03-26 12:32:06
● 2026-05-13 20:02:44

○A52.101.89.12026-03-22 → 2026-05-12 · 3 obs

● 2026-03-22 18:53:04
● 2026-05-12 03:53:56
○ 2026-05-13 20:02:44

●A52.101.89.22026-03-22 → 2026-05-13 · 4 obs

● 2026-03-22 18:53:04
○ 2026-03-26 12:32:06
● 2026-05-12 03:53:56
● 2026-05-13 20:02:44

●A52.101.99.02026-03-22 → 2026-05-13 · 2 obs

● 2026-03-22 18:53:04
● 2026-05-13 20:02:44

●A52.101.99.22026-03-22 → 2026-05-13 · 4 obs

● 2026-03-22 18:53:04
● 2026-03-26 12:32:06
○ 2026-05-12 03:53:56
● 2026-05-13 20:02:44

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:104.47.118.177

NS records: ns1-proddns.glbdns.protection.outlook.com, ns2-proddns.glbdns.protection.outlook.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 223ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.101.99.2, 52.101.89.0...`
AAAA	4	`2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1...`

Analysis

Mail Server Role

fivecomputing-com.mail.protection.outlook.com functions as a mail server for fivecomputing.com.

IP Addresses

Eight IP numbers are targeted by fivecomputing-com.mail.protection.outlook.com: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::, 2a01:111:f403:ca1a::1, 52.101.89.0, 52.101.89.2, 52.101.99.0 and 52.101.99.2.

other host names including reygar-co-uk.mail.protection.outlook.com, wrekinproducts-com.mail.protection.outlook.com, arua-co.mail.protection.outlook.com, printersincorporated-com.mail.protection.outlook.com and trailersltd-co-uk02b.mail.protection.outlook.com share IP numbers with fivecomputing-com.mail.protection.outlook.com.

fivecomputing-com.mail.protection.outlook.com - robtex.com