`nrdc1.onmicrosoft.com`

DNSSEC	⚠️ Not signed
MX	`nrdc1.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr05cu00501.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr05cu00402.inbound.protection.outlook.com`
		A	52.101.10.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr03cu00202.inbound.protection.outlook.com`
		A	52.101.41.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr05cu00400.inbound.protection.outlook.com`
		A	52.101.41.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00305.inbound.protection.outlook.com`
		A	52.101.50.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00404.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`mscid=3n2nF3EH/tfVHwmmGvNXQFshW4DsZ0z1h/5Xrsl529aehm2K7Cgu40zJpI9z+Ox9Quz1Gr1...`

`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 #350186 globally
rank #152349 in the tld
WOT: SAFE (50/100)
📈 Tranco rank: #2,470

Subdomains

autodiscover.nrdc1.onmicrosoft.com

Similar names

ndrc1.com

DNS History

5 records (1 active, 4 former)

○NSns1.bdm.microsoftonline.com2017-05-07 → 2018-09-13 · 4 obs

● 2017-05-07 17:13:36
● 2018-09-13 19:49:54
○ 2018-10-24 16:14:42
○ 2026-04-13 02:15:50

○NSns2.bdm.microsoftonline.com2017-05-07 → 2018-09-13 · 4 obs

● 2017-05-07 17:13:36
● 2018-09-13 19:49:54
○ 2018-10-24 16:14:42
○ 2026-04-13 02:15:50

○NSns3.bdm.microsoftonline.com2017-05-07 → 2018-09-13 · 4 obs

● 2017-05-07 17:13:36
● 2018-09-13 19:49:54
○ 2018-10-24 16:14:42
○ 2026-04-13 02:15:50

○NSns4.bdm.microsoftonline.com2017-05-07 → 2018-09-13 · 4 obs

● 2017-05-07 17:13:36
● 2018-09-13 19:49:54
○ 2018-10-24 16:14:42
○ 2026-04-13 02:15:50

●MXnrdc1.mail.protection.outlook.com2017-05-07 → 2026-04-13 · 2 obs

● 2017-05-07 17:13:36
● 2026-04-13 02:15:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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:13.107.236.208

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: 70ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`nrdc1.mail.protection.outlook.com (pri:`
TXT	2	`v=spf1 include:spf.protection.outlook.co, mscid=3n2nF3EH/tfVHwmmGvNXQFshW4DsZ0z1h/`

📌 Glue Records Collected

Total: 8

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

Analysis

Hierarchy

The parent of autodiscover.nrdc1.onmicrosoft.com is nrdc1.onmicrosoft.com.

Mail Servers

nrdc1.onmicrosoft.com is handled by a single mail server, nrdc1.mail.protection.outlook.com.

Hostname nrdc1.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::1, 2a01:111:f403:c922::1, 2a01:111:f403:f802::1, 2a01:111:f403:f804::2, 52.101.10.2, 52.101.41.0, 52.101.41.21 and 52.101.50.4.

nrdc1.onmicrosoft.com - robtex.com