`largoconcrete.onmicrosoft.com`

DNSSEC	⚠️ Not signed
MX	`largoconcrete.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c803::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr03cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c931::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.11.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr03cu00102.inbound.protection.outlook.com`
		A	52.101.11.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr04cu00203.inbound.protection.outlook.com`
		A	52.101.42.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr04cu00106.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`

`onmicrosoft.com`

	DNSSEC	⚠️ Not signed
	NS	`ns1-208.azure-dns.com` ⭐
	NS	`ns1.bdm.microsoftonline.com`
	NS	`ns2.bdm.microsoftonline.com`
	NS	`ns3.bdm.microsoftonline.com`
	NS	`ns4.bdm.microsoftonline.com`
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	TXT	`google-site-verification=1-9fQJjGKgDh7UVF1XcVfBMOr-C1emzk5wjD0ZqnULc`
	SOA	`ns1-208.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

WOT: SAFE (50/100)
rank #359014 globally
rank #156551 in the tld
WOT: SAFE (50/100)
📈 Tranco rank: #2,480

Subdomains

autodiscover.largoconcrete.onmicrosoft.com

Same first word

largoconcrete.com

DNS History

5 records (1 active, 4 former)

○NSns1.bdm.microsoftonline.com2017-01-02 → 2017-01-02 · 2 obs

● 2017-01-02 06:40:22
○ 2026-04-12 10:23:36

○NSns2.bdm.microsoftonline.com2017-01-02 → 2017-01-02 · 2 obs

● 2017-01-02 06:40:22
○ 2026-04-12 10:23:36

○NSns3.bdm.microsoftonline.com2017-01-02 → 2017-01-02 · 2 obs

● 2017-01-02 06:40:22
○ 2026-04-12 10:23:36

○NSns4.bdm.microsoftonline.com2017-01-02 → 2017-01-02 · 2 obs

● 2017-01-02 06:40:22
○ 2026-04-12 10:23:36

●MXlargoconcrete.mail.protection.outlook.com2017-01-02 → 2026-04-12 · 2 obs

● 2017-01-02 06:40:22
● 2026-04-12 10:23:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net...	-
onmicrosoft.com	ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com	8 records

✅ Authoritative Response

Server:208.84.5.208

NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for onmicrosoft.com (unsigned zone)

⏱️ Timing

Total: 207ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`largoconcrete.mail.protection.outlook.co`
TXT	1	`v=spf1 include:spf.protection.outlook.co`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...)

Analysis

Hierarchy

largoconcrete.onmicrosoft.com is a parent of autodiscover.largoconcrete.onmicrosoft.com.

Mail Servers

largoconcrete.onmicrosoft.com is handled by a single mail server, largoconcrete.mail.protection.outlook.com.

largoconcrete.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:c803::, 2a01:111:f403:c922::, 2a01:111:f403:c931::, 2a01:111:f403:f90d::1, 52.101.11.2, 52.101.11.19, 52.101.42.14 and 52.101.42.18.

largoconcrete.onmicrosoft.com - robtex.com