🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`caterease-biz.mail.protection.outlook.com`

DNSSEC	⚠️ Not signed
A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
		PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
A	2a01:111:f403:ca09::a^{🇳🇱 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:ca21::a^{🇪🇸 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:ca21::e^{🇪🇸 Microsoft2a01:111:f000::/36}
A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.181.156^{🇵🇱 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.185.21^{🇨🇭 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

caterease.biz

Previous names

Next names

caterease-com.mail.protection.outlook.com

caterease-in.mail.protection.outlook.com

catereaseanalytics-com.mail.protection.outlook.com

catereasebooking-com.mail.protection.outlook.com

catereasecommunity-com.mail.protection.outlook.com

catereaseconnect-com.mail.protection.outlook.com

catereaseelite-com.mail.protection.outlook.com

catereaseevents-com.mail.protection.outlook.com

catereaseexperts-com.mail.protection.outlook.com

catereaseforum-com.mail.protection.outlook.com

catereasefuture-com.mail.protection.outlook.com

catereaseguide-com.mail.protection.outlook.com

catereasehelp-com.mail.protection.outlook.com

catereaseinsights-com.mail.protection.outlook.com

catereaselead-com.mail.protection.outlook.com

catereaseplanner-com.mail.protection.outlook.com

catereaseplus-com.mail.protection.outlook.com

catereasy-es.mail.protection.outlook.com

catered-org-uk.mail.protection.outlook.com

DNS History

16 records (8 active, 8 former)

●A2a01:111:f403:ca04::92026-09-27 → 2026-09-27 · 3 obs

○ 2026-09-25 20:33:56
● 2026-09-27 00:24:40
● 2026-09-27 00:24:42

○A2a01:111:f403:ca04::a2026-09-25 → 2026-09-25 · 3 obs

● 2026-09-25 20:33:56
○ 2026-09-27 00:24:40
○ 2026-09-27 00:24:42

○A2a01:111:f403:ca09::222026-09-25 → 2026-09-25 · 3 obs

● 2026-09-25 20:33:56
○ 2026-09-27 00:24:40
○ 2026-09-27 00:24:42

●A2a01:111:f403:ca09::a2026-09-27 → 2026-09-27 · 3 obs

○ 2026-09-25 20:33:56
● 2026-09-27 00:24:40
● 2026-09-27 00:24:42

○A2a01:111:f403:ca21::102026-09-25 → 2026-09-25 · 3 obs

● 2026-09-25 20:33:56
○ 2026-09-27 00:24:40
○ 2026-09-27 00:24:42

●A2a01:111:f403:ca21::a2026-09-27 → 2026-09-27 · 3 obs

○ 2026-09-25 20:33:56
● 2026-09-27 00:24:40
● 2026-09-27 00:24:42

●A2a01:111:f403:ca21::e2026-09-27 → 2026-09-27 · 3 obs

○ 2026-09-25 20:33:56
● 2026-09-27 00:24:40
● 2026-09-27 00:24:42

○A2a01:111:f403:ca48::102026-09-25 → 2026-09-25 · 3 obs

● 2026-09-25 20:33:56
○ 2026-09-27 00:24:40
○ 2026-09-27 00:24:42

○A52.101.103.1402026-09-25 → 2026-09-25 · 3 obs

● 2026-09-25 20:33:56
○ 2026-09-27 00:24:40
○ 2026-09-27 00:24:42

●A52.101.181.1562026-09-27 → 2026-09-27 · 3 obs

○ 2026-09-25 20:33:56
● 2026-09-27 00:24:40
● 2026-09-27 00:24:42

●A52.101.185.212026-09-27 → 2026-09-27 · 3 obs

○ 2026-09-25 20:33:56
● 2026-09-27 00:24:40
● 2026-09-27 00:24:42

●A52.101.68.252026-09-27 → 2026-09-27 · 3 obs

○ 2026-09-25 20:33:56
● 2026-09-27 00:24:40
● 2026-09-27 00:24:42

○A52.101.73.1202026-09-25 → 2026-09-25 · 3 obs

● 2026-09-25 20:33:56
○ 2026-09-27 00:24:40
○ 2026-09-27 00:24:42

●A52.101.73.1532026-09-27 → 2026-09-27 · 3 obs

○ 2026-09-25 20:33:56
● 2026-09-27 00:24:40
● 2026-09-27 00:24:42

○A52.101.91.1562026-09-25 → 2026-09-25 · 3 obs

● 2026-09-25 20:33:56
○ 2026-09-27 00:24:40
○ 2026-09-27 00:24:42

○A52.101.91.212026-09-25 → 2026-09-25 · 3 obs

● 2026-09-25 20:33:56
○ 2026-09-27 00:24:40
○ 2026-09-27 00:24:42

🔍 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: 242ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.101.103.36, 52.101.209.31...`
AAAA	4	`2a01:111:f403:ca48::8, 2a01:111:f403:ca09::28...`

Analysis

Mail Server Role

caterease-biz.mail.protection.outlook.com serves as a mail server for caterease.biz.

IP Addresses

caterease-biz.mail.protection.outlook.com resolves to 8 IP numbers: 52.101.68.25, 52.101.73.153, 52.101.181.156 and 5 other.

Additional host names — main-mt.mail.protection.outlook.com, edutainmentlicensing-com.mail.protection.outlook.com, sweetshotel-amsterdam.mail.protection.outlook.com and two others — share IP numbers with caterease-biz.mail.protection.outlook.com.

caterease-biz.mail.protection.outlook.com - robtex.com