corebts.onmicrosoft.com - robtex.com
corebts.onmicrosoft.com
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.comazuredns-hostmaster@microsoft.com serial=1 | ||||||
rank #359014 globally
rank #156551 in the tld
WOT: SAFE (50/100)
📈 Tranco rank: #2,480
Subdomains
autodiscover.corebts.onmicrosoft.com |
Same first word
Similar names
DNS History
6 records (1 active, 5 former)
○NSns1.bdm.microsoftonline.com2016-12-30 → 2017-07-14 · 4 obs
● 2016-12-30 17:29:04
● 2017-07-14 21:34:52
○ 2026-03-23 17:45:06
○ 2026-04-11 23:54:10
● 2017-07-14 21:34:52
○ 2026-03-23 17:45:06
○ 2026-04-11 23:54:10
○NSns2.bdm.microsoftonline.com2016-12-30 → 2017-07-14 · 4 obs
● 2016-12-30 17:29:04
● 2017-07-14 21:34:52
○ 2026-03-23 17:45:06
○ 2026-04-11 23:54:10
● 2017-07-14 21:34:52
○ 2026-03-23 17:45:06
○ 2026-04-11 23:54:10
○NSns3.bdm.microsoftonline.com2016-12-30 → 2017-07-14 · 4 obs
● 2016-12-30 17:29:04
● 2017-07-14 21:34:52
○ 2026-03-23 17:45:06
○ 2026-04-11 23:54:10
● 2017-07-14 21:34:52
○ 2026-03-23 17:45:06
○ 2026-04-11 23:54:10
○NSns4.bdm.microsoftonline.com2016-12-30 → 2017-07-14 · 4 obs
● 2016-12-30 17:29:04
● 2017-07-14 21:34:52
○ 2026-03-23 17:45:06
○ 2026-04-11 23:54:10
● 2017-07-14 21:34:52
○ 2026-03-23 17:45:06
○ 2026-04-11 23:54:10
○MXcorebts.mail.eo.outlook.com2016-12-30 → 2016-12-30 · 3 obs
● 2016-12-30 17:29:04
○ 2017-07-14 21:34:52
○ 2026-04-11 23:54:10
○ 2017-07-14 21:34:52
○ 2026-04-11 23:54:10
●MXcorebts.mail.protection.outlook.com2017-07-14 → 2026-04-11 · 3 obs
○ 2016-12-30 17:29:04
● 2017-07-14 21:34:52
● 2026-04-11 23:54:10
● 2017-07-14 21:34:52
● 2026-04-11 23:54:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| onmicrosoft.com | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com | - |
✅ Authoritative Response
Server:150.171.21.208
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: 47ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| MX | 1 | corebts.mail.protection.outlook.com (pri |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, mscid=WnsQBtwZ6JNp2MzbLqXPgHR7hqZyAXQLfr |
Analysis
Hierarchy
The parent of autodiscover.corebts.onmicrosoft.com is corebts.onmicrosoft.com.
Mail Servers
corebts.onmicrosoft.com is handled by a single mail server, corebts.mail.protection.outlook.com.
Host name corebts.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c801::1, 2a01:111:f403:c927::1, 2a01:111:f403:c931::1, 2a01:111:f403:f804::2, 52.101.9.12, 52.101.40.24, 52.101.41.0 and 52.101.41.180.