`lambda-ch.mail.protection.outlook.com`

DNSSEC	⚠️ Not signed
A	2a01:111:f403:ca3c::^{🇨🇭 Microsoft2a01:111:f000::/36}
		PTR	`mail-zrap278cu00300.inbound.protection.outlook.com`
A	2a01:111:f403:ca3c::1^{🇨🇭 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:ca3c::2^{🇨🇭 Microsoft2a01:111:f000::/36}
A	2a01:111:f403:ca3e::1^{🇨🇭 Microsoft2a01:111:f000::/36}
A	52.101.185.12^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.185.13^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.185.14^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
A	52.101.187.1^{🇨🇭 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

lambda.ch

Same first word

lambda-ch.com

DNS History

8 records (8 active, 0 former)

●A2a01:111:f403:ca3c::2026-03-19 → 2026-04-24 · 2 obs

● 2026-03-19 03:36:02
● 2026-04-24 23:30:30

●A2a01:111:f403:ca3c::12026-03-19 → 2026-04-24 · 2 obs

● 2026-03-19 03:36:02
● 2026-04-24 23:30:30

●A2a01:111:f403:ca3c::22026-03-19 → 2026-04-24 · 2 obs

● 2026-03-19 03:36:02
● 2026-04-24 23:30:30

●A2a01:111:f403:ca3e::12026-03-19 → 2026-04-24 · 2 obs

● 2026-03-19 03:36:02
● 2026-04-24 23:30:30

●A52.101.185.122026-03-19 → 2026-04-24 · 2 obs

● 2026-03-19 03:36:02
● 2026-04-24 23:30:30

●A52.101.185.132026-03-19 → 2026-04-24 · 2 obs

● 2026-03-19 03:36:02
● 2026-04-24 23:30:30

●A52.101.185.142026-03-19 → 2026-04-24 · 2 obs

● 2026-03-19 03:36:02
● 2026-04-24 23:30:30

●A52.101.187.12026-03-19 → 2026-04-24 · 2 obs

● 2026-03-19 03:36:02
● 2026-04-24 23:30:30

🔍 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: 153ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.101.187.1, 52.101.185.12...`
AAAA	4	`2a01:111:f403:ca3e::1, 2a01:111:f403:ca3c::2...`

Analysis

Mail Server Role

lambda-ch.mail.protection.outlook.com acts as a mail server for lambda.ch.

IP Addresses

lambda-ch.mail.protection.outlook.com maps to eight IPs: 2a01:111:f403:ca3c::, 2a01:111:f403:ca3c::1, 2a01:111:f403:ca3c::2, 2a01:111:f403:ca3e::1, 52.101.185.12, 52.101.185.13, 52.101.185.14 and 52.101.187.1.

Other host names, for instance aspagag-ch01c.mail.protection.outlook.com, hoteleuler-ch.mail.protection.outlook.com, thinksport-org.mail.protection.outlook.com, nemeth-ch.mail.protection.outlook.com and longday-com.mail.protection.outlook.com share IP numbers with lambda-ch.mail.protection.outlook.com.

lambda-ch.mail.protection.outlook.com - robtex.com