`sstack-com.mail.eo.outlook.com`

DNSSEC	⚠️ Not signed
A	2a01:111:f403:c931::1^{🇺🇸 Microsoft2a01:111:f000::/36}
		PTR	`mail-sa9pr03cu00201.inbound.protection.outlook.com`
A	2a01:111:f403:f804::2^{🇺🇸 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:f902::^{🇺🇸 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:f908::^{🇺🇸 Microsoft2a01:111:f000::/36}
A	52.101.8.46^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.9.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.40.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.42.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}

`mail.eo.outlook.com`

	DNSSEC	⚠️ Not signed
	NS	`ns1-prodeodns.glbdns.o365filtering.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns1-prodeodns.glbdns.protection.outlook.com` ⚠️ Not in zone NS records
	NS	`ns2-prodeodns.glbdns.o365filtering.com` ⚠️ Not in parent delegation
	NS	`ns2-prodeodns.glbdns.protection.outlook.com` ⚠️ Not in zone NS records
	SOA	`ns1-prodeodns.glbdns.o365filtering.com`hostmaster@o365filtering.com 2013-01-08 #1

WOT: SAFE (67/100)
WOT: SAFE (87/100)

Previously MX for

sstack.com

DNS History

20 records (8 active, 12 former)

○NSns1-prodeodns.glbdns.o365filtering.com2015-10-29 → 2017-01-16 · 4 obs

● 2015-10-29 12:25:12
● 2017-01-16 07:27:58
○ 2026-04-24 03:34:38
○ 2026-04-24 03:34:40

○NSns2-prodeodns.glbdns.o365filtering.com2015-10-29 → 2017-01-16 · 4 obs

● 2015-10-29 12:25:12
● 2017-01-16 07:27:58
○ 2026-04-24 03:34:38
○ 2026-04-24 03:34:40

○A207.46.163.1382014-07-03 → 2017-01-16 · 10 obs

● 2014-07-03 04:20:04
○ 2015-10-29 12:25:12
● 2015-12-30 18:14:16
○ 2016-04-01 08:12:16
○ 2016-06-19 01:56:00
● 2016-09-14 23:55:36
○ 2016-12-08 21:05:18
● 2017-01-16 07:27:58
○ 2026-04-24 03:34:38
○ 2026-04-24 03:34:40

○A207.46.163.1702014-07-03 → 2017-01-16 · 7 obs

● 2014-07-03 04:20:04
● 2016-06-19 01:56:00
○ 2016-09-14 23:55:36
● 2016-12-08 21:05:18
● 2017-01-16 07:27:58
○ 2026-04-24 03:34:38
○ 2026-04-24 03:34:40

○A207.46.163.2152014-07-03 → 2017-01-16 · 4 obs

● 2014-07-03 04:20:04
● 2017-01-16 07:27:58
○ 2026-04-24 03:34:38
○ 2026-04-24 03:34:40

○A207.46.163.2472014-07-03 → 2016-12-08 · 7 obs

● 2014-07-03 04:20:04
● 2015-10-29 12:25:12
○ 2015-12-30 18:14:16
● 2016-04-01 08:12:16
● 2016-12-08 21:05:18
○ 2017-01-16 07:27:58
○ 2026-04-24 03:34:40

●A2a01:111:f403:c931::12026-04-24 → 2026-04-24 · 3 obs

○ 2017-01-16 07:27:58
● 2026-04-24 03:34:38
● 2026-04-24 03:34:40

○A2a01:111:f403:c946::12026-04-24 → 2026-04-24 · 2 obs

○ 2026-04-24 03:34:38
○ 2026-04-24 03:34:40

●A2a01:111:f403:f804::22026-04-24 → 2026-04-24 · 3 obs

○ 2017-01-16 07:27:58
● 2026-04-24 03:34:38
● 2026-04-24 03:34:40

○A2a01:111:f403:f901::2026-04-24 → 2026-04-24 · 2 obs

○ 2026-04-24 03:34:38
○ 2026-04-24 03:34:40

●A2a01:111:f403:f902::2026-04-24 → 2026-04-24 · 3 obs

○ 2017-01-16 07:27:58
● 2026-04-24 03:34:38
● 2026-04-24 03:34:40

●A2a01:111:f403:f908::2026-04-24 → 2026-04-24 · 3 obs

○ 2017-01-16 07:27:58
● 2026-04-24 03:34:38
● 2026-04-24 03:34:40

○A2a01:111:f403:f909::2026-04-24 → 2026-04-24 · 2 obs

○ 2026-04-24 03:34:38
○ 2026-04-24 03:34:40

○A2a01:111:f403:f912::2026-04-24 → 2026-04-24 · 2 obs

○ 2026-04-24 03:34:38
○ 2026-04-24 03:34:40

●A52.101.40.62026-04-24 → 2026-04-24 · 3 obs

○ 2017-01-16 07:27:58
● 2026-04-24 03:34:38
● 2026-04-24 03:34:40

○A52.101.41.542026-04-24 → 2026-04-24 · 2 obs

○ 2026-04-24 03:34:38
○ 2026-04-24 03:34:40

●A52.101.42.142026-04-24 → 2026-04-24 · 3 obs

○ 2017-01-16 07:27:58
● 2026-04-24 03:34:38
● 2026-04-24 03:34:40

○A52.101.8.322026-04-24 → 2026-04-24 · 2 obs

○ 2026-04-24 03:34:38
○ 2026-04-24 03:34:40

●A52.101.8.462026-04-24 → 2026-04-24 · 3 obs

○ 2017-01-16 07:27:58
● 2026-04-24 03:34:38
● 2026-04-24 03:34:40

●A52.101.9.122026-04-24 → 2026-04-24 · 3 obs

○ 2017-01-16 07:27:58
● 2026-04-24 03:34:38
● 2026-04-24 03:34:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, c.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
mail.eo.outlook.com	ns2-prodeodns.glbdns.protection.outlook.com, ns1-prodeodns.glbdns.protection.outlook.com	-

✅ Authoritative Response

Server:104.47.118.177

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for outlook.com (unsigned zone)

⏱️ Timing

Total: 544ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.101.41.28, 52.101.50.4...`
AAAA	4	`2a01:111:f403:c92c::4, 2a01:111:f403:c902::14...`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

Eight IP numbers are pointed to by sstack-com.mail.eo.outlook.com: 2a01:111:f403:c931::1, 2a01:111:f403:f804::2, 2a01:111:f403:f902::, 2a01:111:f403:f908::, 52.101.8.46, 52.101.9.12, 52.101.40.6 and 52.101.42.14.

Other host names such as americanprocessing-com.mail.protection.outlook.com, dogfriendlyrealtors-com.mail.protection.outlook.com, dcbteam-com.mail.protection.outlook.com, performancefootwear-net.mail.protection.outlook.com and ufasco-com.mail.protection.outlook.com share IPs with sstack-com.mail.eo.outlook.com.

sstack-com.mail.eo.outlook.com - robtex.com