🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`xcellcode-dev.mail.protection.outlook.com`

DNSSEC	⚠️ Not signed
A	2a01:111:f403:ca21::^{🇪🇸 Microsoft2a01:111:f000::/36}
		PTR	`mail-ma2p292cu00400.inbound.protection.outlook.com`
A	2a01:111:f403:ca21::1^{🇪🇸 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:ca21::2^{🇪🇸 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:ca21::3^{🇪🇸 Microsoft2a01:111:f000::/36}
A	52.101.91.0^{🇪🇸 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.91.1^{🇪🇸 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.91.2^{🇪🇸 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.91.3^{🇪🇸 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

xcellcode.dev

Previous names

Next names

xcellcure-com.mail.protection.outlook.com

xcelle-net.mail.protection.outlook.com

xcelleaders-com.mail.protection.outlook.com

xcellence4u-com.mail.protection.outlook.com

xcellenceinc-org.mail.protection.outlook.com

xcellencemagazine-com02c.mail.protection.outlook.com

xcellenceplus-com.mail.protection.outlook.com

xcellenet-com.mail.protection.outlook.com

xcellent-com-tw.mail.protection.outlook.com

xcellent-com0c.mail.protection.outlook.com

xcellent-es.mail.protection.outlook.com

xcellent-nl.mail.protection.outlook.com

xcellentchoice-com.mail.protection.outlook.com

xcellentdesign-com-cn.mail.protection.outlook.com

xcellentdesign-com.mail.protection.outlook.com

xcellentinsights-com.mail.protection.outlook.com

xcellentpharmacy-com.mail.protection.outlook.com

xcellentsoft-com.mail.protection.outlook.com

xcellentspirit-com.mail.protection.outlook.com

xcellenttrading-com.mail.protection.outlook.com

DNS History

8 records (8 active, 0 former)

●A2a01:111:f403:ca21::2026-10-06 → 2026-10-18 · 2 obs

● 2026-10-06 15:20:10
● 2026-10-18 19:38:08

●A2a01:111:f403:ca21::12026-10-06 → 2026-10-18 · 2 obs

● 2026-10-06 15:20:10
● 2026-10-18 19:38:08

●A2a01:111:f403:ca21::22026-10-06 → 2026-10-18 · 2 obs

● 2026-10-06 15:20:10
● 2026-10-18 19:38:08

●A2a01:111:f403:ca21::32026-10-06 → 2026-10-18 · 2 obs

● 2026-10-06 15:20:10
● 2026-10-18 19:38:08

●A52.101.91.02026-10-06 → 2026-10-18 · 2 obs

● 2026-10-06 15:20:10
● 2026-10-18 19:38:08

●A52.101.91.12026-10-06 → 2026-10-18 · 2 obs

● 2026-10-06 15:20:10
● 2026-10-18 19:38:08

●A52.101.91.22026-10-06 → 2026-10-18 · 2 obs

● 2026-10-06 15:20:10
● 2026-10-18 19:38:08

●A52.101.91.32026-10-06 → 2026-10-18 · 2 obs

● 2026-10-06 15:20:10
● 2026-10-18 19:38:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mail.protection.outlook.com	ns1-proddns.glbdns.protection.outlook.com, ns2-proddns.glbdns.protection.outlook.com, ns3-proddns.glbdns.protection.outlook.com, ns4-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, ns3-proddns.glbdns.protection.outlook.com, ns4-proddns.glbdns.protection.outlook.com, ns5-proddns.glbdns.protection.outlook.com, ns6-proddns.glbdns.protection.outlook.com, ns7-proddns.glbdns.protection.outlook.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 630ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.101.91.1, 52.101.91.3...`
AAAA	4	`2a01:111:f403:ca21::, 2a01:111:f403:ca21::3...`

Analysis

Mail Server Role

xcellcode.dev uses xcellcode-dev.mail.protection.outlook.com as a mail server.

IP Addresses

xcellcode-dev.mail.protection.outlook.com has 8 IP addresses — 52.101.91.0, 52.101.91.1, 52.101.91.2 and 5 more.

sombrasur-com.mail.protection.outlook.com, metaval-es.mail.protection.outlook.com, tbsa-es.mail.protection.outlook.com and two other host names share IP numbers with xcellcode-dev.mail.protection.outlook.com.

xcellcode-dev.mail.protection.outlook.com - robtex.com