🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`developerplusplus-com.mail.protection.outlook.com`

DNSSEC	⚠️ Not signed
A	2a01:111:f403:c967::a^{🇬🇧 Microsoft2a01:111:f000::/36}
		PTR	`mail-cpjpr05cu00102.inbound.protection.outlook.com`
A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:ca21::e^{🇪🇸 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:ca48::c^{🇬🇧 Microsoft2a01:111:f000::/36}
A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.181.156^{🇵🇱 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.209.28^{🇺🇸 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

developerplusplus.com

Previous names

Next names

developerpro-net.mail.protection.outlook.com

developerrenovator-com02c.mail.protection.outlook.com

developerrequest-com02c.mail.protection.outlook.com

developers-foundation.mail.protection.outlook.com

developers-life.mail.protection.outlook.com

developers-nl.mail.protection.outlook.com

developers-win.mail.protection.outlook.com

developersbucket-com.mail.protection.outlook.com

developerscapitalinc-com.mail.protection.outlook.com

developerschile-com.mail.protection.outlook.com

developerscollege-com02e.mail.protection.outlook.com

developersconstruction-com.mail.protection.outlook.com

developersconsultants-com.mail.protection.outlook.com

developerscounsel-com02e.mail.protection.outlook.com

developersden-com.mail.protection.outlook.com

developersdevelopments-com.mail.protection.outlook.com

developersdotnet-com.mail.protection.outlook.com

developerservices-com.mail.protection.outlook.com

developersfirst-nl02e.mail.protection.outlook.com

DNS History

36 records (8 active, 28 former)

●A2a01:111:f403:c967::a2026-10-16 → 2026-10-16 · 2 obs

○ 2026-10-11 22:10:58
● 2026-10-16 15:02:06

○A2a01:111:f403:c967::c2026-10-06 → 2026-10-06 · 4 obs

○ 2026-10-05 15:07:24
● 2026-10-06 15:19:56
○ 2026-10-09 18:57:52
○ 2026-10-16 15:02:06

●A2a01:111:f403:ca04::b2026-10-16 → 2026-10-16 · 2 obs

○ 2026-10-11 22:10:58
● 2026-10-16 15:02:06

○A2a01:111:f403:ca04::d2026-10-11 → 2026-10-11 · 3 obs

○ 2026-10-09 18:57:52
● 2026-10-11 22:10:58
○ 2026-10-16 15:02:06

○A2a01:111:f403:ca04::f2026-10-02 → 2026-10-06 · 5 obs

● 2026-10-02 08:39:24
○ 2026-10-03 14:17:30
● 2026-10-06 15:19:56
○ 2026-10-11 22:10:58
○ 2026-10-16 15:02:06

○A2a01:111:f403:ca09::202026-10-09 → 2026-10-09 · 4 obs

○ 2026-10-06 15:19:56
● 2026-10-09 18:57:52
○ 2026-10-11 22:10:58
○ 2026-10-16 15:02:06

○A2a01:111:f403:ca09::222026-10-05 → 2026-10-05 · 4 obs

○ 2026-10-03 14:17:30
● 2026-10-05 15:07:24
○ 2026-10-06 15:19:56
○ 2026-10-16 15:02:06

○A2a01:111:f403:ca09::242026-10-05 → 2026-10-11 · 5 obs

○ 2026-10-03 14:17:30
● 2026-10-05 15:07:24
○ 2026-10-06 15:19:56
● 2026-10-11 22:10:58
○ 2026-10-16 15:02:06

○A2a01:111:f403:ca09::262026-10-03 → 2026-10-03 · 4 obs

○ 2026-10-02 08:39:24
● 2026-10-03 14:17:30
○ 2026-10-05 15:07:24
○ 2026-10-16 15:02:06

○A2a01:111:f403:ca09::a2026-10-03 → 2026-10-11 · 5 obs

○ 2026-10-02 08:39:24
● 2026-10-03 14:17:30
○ 2026-10-05 15:07:24
● 2026-10-11 22:10:58
○ 2026-10-16 15:02:06

○A2a01:111:f403:ca21::102026-10-02 → 2026-10-02 · 3 obs

● 2026-10-02 08:39:24
○ 2026-10-03 14:17:30
○ 2026-10-16 15:02:06

○A2a01:111:f403:ca21::c2026-10-03 → 2026-10-06 · 6 obs

○ 2026-10-02 08:39:24
● 2026-10-03 14:17:30
○ 2026-10-05 15:07:24
● 2026-10-06 15:19:56
○ 2026-10-11 22:10:58
○ 2026-10-16 15:02:06

●A2a01:111:f403:ca21::e2026-10-02 → 2026-10-16 · 3 obs

● 2026-10-02 08:39:24
○ 2026-10-03 14:17:30
● 2026-10-16 15:02:06

○A2a01:111:f403:ca3c::62026-10-06 → 2026-10-11 · 5 obs

○ 2026-10-05 15:07:24
● 2026-10-06 15:19:56
○ 2026-10-09 18:57:52
● 2026-10-11 22:10:58
○ 2026-10-16 15:02:06

○A2a01:111:f403:ca48::82026-10-02 → 2026-10-09 · 5 obs

● 2026-10-02 08:39:24
○ 2026-10-06 15:19:56
● 2026-10-09 18:57:52
○ 2026-10-11 22:10:58
○ 2026-10-16 15:02:06

○A2a01:111:f403:ca48::a2026-10-05 → 2026-10-05 · 4 obs

○ 2026-10-03 14:17:30
● 2026-10-05 15:07:24
○ 2026-10-06 15:19:56
○ 2026-10-16 15:02:06

●A2a01:111:f403:ca48::c2026-10-16 → 2026-10-16 · 2 obs

○ 2026-10-11 22:10:58
● 2026-10-16 15:02:06

○A52.101.103.1372026-10-02 → 2026-10-02 · 3 obs

● 2026-10-02 08:39:24
○ 2026-10-05 15:07:24
○ 2026-10-16 15:02:06

○A52.101.103.1402026-10-06 → 2026-10-06 · 4 obs

○ 2026-10-05 15:07:24
● 2026-10-06 15:19:56
○ 2026-10-09 18:57:52
○ 2026-10-16 15:02:06

○A52.101.103.1432026-10-02 → 2026-10-05 · 5 obs

● 2026-10-02 08:39:24
○ 2026-10-03 14:17:30
● 2026-10-05 15:07:24
○ 2026-10-06 15:19:56
○ 2026-10-16 15:02:06

●A52.101.181.1562026-10-05 → 2026-10-16 · 4 obs

○ 2026-10-03 14:17:30
● 2026-10-05 15:07:24
○ 2026-10-06 15:19:56
● 2026-10-16 15:02:06

○A52.101.185.1142026-10-02 → 2026-10-06 · 5 obs

● 2026-10-02 08:39:24
○ 2026-10-03 14:17:30
● 2026-10-06 15:19:56
○ 2026-10-09 18:57:52
○ 2026-10-16 15:02:06

○A52.101.185.212026-10-11 → 2026-10-11 · 3 obs

○ 2026-10-09 18:57:52
● 2026-10-11 22:10:58
○ 2026-10-16 15:02:06

●A52.101.209.282026-10-02 → 2026-10-16 · 4 obs

● 2026-10-02 08:39:24
○ 2026-10-03 14:17:30
● 2026-10-11 22:10:58
● 2026-10-16 15:02:06

○A52.101.209.312026-10-09 → 2026-10-09 · 3 obs

○ 2026-10-06 15:19:56
● 2026-10-09 18:57:52
○ 2026-10-16 15:02:06

○A52.101.68.102026-10-03 → 2026-10-03 · 4 obs

○ 2026-10-02 08:39:24
● 2026-10-03 14:17:30
○ 2026-10-05 15:07:24
○ 2026-10-16 15:02:06

○A52.101.68.122026-10-05 → 2026-10-09 · 6 obs

○ 2026-10-03 14:17:30
● 2026-10-05 15:07:24
○ 2026-10-06 15:19:56
● 2026-10-09 18:57:52
○ 2026-10-11 22:10:58
○ 2026-10-16 15:02:06

●A52.101.68.212026-10-16 → 2026-10-16 · 2 obs

○ 2026-10-11 22:10:58
● 2026-10-16 15:02:06

●A52.101.68.252026-10-16 → 2026-10-16 · 2 obs

○ 2026-10-11 22:10:58
● 2026-10-16 15:02:06

○A52.101.73.1232026-10-03 → 2026-10-03 · 4 obs

○ 2026-10-02 08:39:24
● 2026-10-03 14:17:30
○ 2026-10-05 15:07:24
○ 2026-10-16 15:02:06

○A52.101.73.1452026-10-09 → 2026-10-09 · 4 obs

○ 2026-10-06 15:19:56
● 2026-10-09 18:57:52
○ 2026-10-11 22:10:58
○ 2026-10-16 15:02:06

○A52.101.73.1532026-10-11 → 2026-10-11 · 3 obs

○ 2026-10-09 18:57:52
● 2026-10-11 22:10:58
○ 2026-10-16 15:02:06

○A52.101.91.1532026-10-06 → 2026-10-06 · 4 obs

○ 2026-10-05 15:07:24
● 2026-10-06 15:19:56
○ 2026-10-09 18:57:52
○ 2026-10-16 15:02:06

○A52.101.91.1592026-10-03 → 2026-10-03 · 4 obs

○ 2026-10-02 08:39:24
● 2026-10-03 14:17:30
○ 2026-10-05 15:07:24
○ 2026-10-16 15:02:06

○A52.101.91.1622026-10-05 → 2026-10-05 · 4 obs

○ 2026-10-03 14:17:30
● 2026-10-05 15:07:24
○ 2026-10-09 18:57:52
○ 2026-10-16 15:02:06

○A52.101.91.212026-10-09 → 2026-10-09 · 4 obs

○ 2026-10-06 15:19:56
● 2026-10-09 18:57:52
○ 2026-10-11 22:10:58
○ 2026-10-16 15:02:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
outlook.com	ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org, ns4-05.azure-dns.info	2 records
protection.outlook.com	ns2-35.azure-dns.net, ns3-35.azure-dns.org, ns4-35.azure-dns.info, ns1-35.azure-dns.com	-
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:104.47.118.177

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 protection.outlook.com (unsigned zone)

⏱️ Timing

Total: 894ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.101.103.140, 52.101.181.156...`
AAAA	4	`2a01:111:f403:ca38::8, 2a01:111:f403:ca21::8...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-05.azure-dns.com, ns1-05.azure-dns.com)

Analysis

Mail Server Role

The mail server developerplusplus-com.mail.protection.outlook.com processes email for developerplusplus.com.

IP Addresses

developerplusplus-com.mail.protection.outlook.com directs to 8 IP numbers: 52.101.68.21, 52.101.68.25, 52.101.181.156 and 5 other.

Two other host names, along with gancedosl-com.mail.protection.outlook.com, sanzarribas-com.mail.protection.outlook.com and starin-it.mail.protection.outlook.com, also share IP numbers with developerplusplus-com.mail.protection.outlook.com.

developerplusplus-com.mail.protection.outlook.com - robtex.com