`developenv-com.mail.protection.outlook.com`

DNSSEC	⚠️ Not signed
A	2a01:111:f403:cc1a::^{🇯🇵 Microsoft2a01:111:f000::/36}
		PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
A	2a01:111:f403:cc1a::3^{🇯🇵 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:cc1f::1^{🇯🇵 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:cc24::^{🇯🇵 Microsoft2a01:111:f000::/36}
A	52.101.124.0^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.124.1^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.157.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.157.40^{🇺🇸 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

developenv.com

DNS History

13 records (8 active, 5 former)

●A2a01:111:f403:cc1a::2026-07-22 → 2026-08-05 · 3 obs

○ 2026-02-23 17:11:08
● 2026-07-22 00:40:28
● 2026-08-05 09:59:58

○A2a01:111:f403:cc1a::22026-08-04 → 2026-08-04 · 3 obs

○ 2026-02-23 17:11:08
● 2026-08-04 20:11:32
○ 2026-08-05 09:59:58

●A2a01:111:f403:cc1a::32026-07-22 → 2026-08-05 · 4 obs

○ 2026-02-23 17:11:08
● 2026-07-22 00:40:28
○ 2026-08-04 20:11:32
● 2026-08-05 09:59:58

○A2a01:111:f403:cc1f::2026-07-22 → 2026-07-22 · 4 obs

○ 2026-02-23 17:11:08
● 2026-07-22 00:40:28
○ 2026-08-04 08:17:08
○ 2026-08-05 09:59:58

●A2a01:111:f403:cc1f::12026-07-22 → 2026-08-05 · 3 obs

○ 2026-02-23 17:11:08
● 2026-07-22 00:40:28
● 2026-08-05 09:59:58

●A2a01:111:f403:cc24::2026-08-04 → 2026-08-05 · 3 obs

○ 2026-02-23 17:11:08
● 2026-08-04 08:17:08
● 2026-08-05 09:59:58

●A52.101.124.02026-08-04 → 2026-08-05 · 4 obs

○ 2026-02-23 17:11:08
● 2026-08-04 08:17:08
○ 2026-08-04 20:11:32
● 2026-08-05 09:59:58

●A52.101.124.12026-07-22 → 2026-08-05 · 4 obs

○ 2026-02-23 17:11:08
● 2026-07-22 00:40:28
○ 2026-08-04 20:11:32
● 2026-08-05 09:59:58

○A52.101.124.52026-08-04 → 2026-08-04 · 3 obs

○ 2026-02-23 17:11:08
● 2026-08-04 20:11:32
○ 2026-08-05 09:59:58

○A52.101.124.62026-07-22 → 2026-07-22 · 4 obs

○ 2026-02-23 17:11:08
● 2026-07-22 00:40:28
○ 2026-08-04 20:11:32
○ 2026-08-05 09:59:58

●A52.101.157.102026-07-22 → 2026-08-05 · 3 obs

○ 2026-02-23 17:11:08
● 2026-07-22 00:40:28
● 2026-08-05 09:59:58

○A52.101.157.112026-07-22 → 2026-08-04 · 5 obs

○ 2026-02-23 17:11:08
● 2026-07-22 00:40:28
○ 2026-08-04 08:17:08
● 2026-08-04 20:11:32
○ 2026-08-05 09:59:58

●A52.101.157.402026-08-04 → 2026-08-05 · 3 obs

○ 2026-02-23 17:11:08
● 2026-08-04 20:11:32
● 2026-08-05 09:59:58

🔍 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:104.47.69.17

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: 235ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.101.124.6, 52.101.157.11...`
AAAA	4	`2a01:111:f403:cc1f::1, 2a01:111:f403:cc1a::3...`

Analysis

Mail Server Role

Mail for developenv.com is routed through the mail server developenv-com.mail.protection.outlook.com.

IP Addresses

developenv-com.mail.protection.outlook.com points to 8 IP addresses, including 52.101.124.0, 52.101.124.1 and 52.101.157.10, plus 5 other.

victoryjewelry-jp.mail.protection.outlook.com, ksons-com.mail.protection.outlook.com, fujimipanorama-com.mail.protection.outlook.com plus two other host names have IP numbers in common with developenv-com.mail.protection.outlook.com.

developenv-com.mail.protection.outlook.com - robtex.com