busey.mail.onmicrosoft.com - robtex.com

busey.mail.onmicrosoft.com

DNSSEC⚠️ Not signed
MXbusey-mail-onmicrosoft-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c91d::b🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-mw2pr02cu00603.inbound.protection.outlook.com
A2a01:111:f403:c927::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bn6pr21cu00500.inbound.protection.outlook.com
A2a01:111:f403:f908::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bn1pr21cu00100.inbound.protection.outlook.com
A2a01:111:f403:f90a::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bn8pr03cu00201.inbound.protection.outlook.com
A40.93.192.4🇺🇸 Microsoft40.80.0.0/12
PTRmail-dm2pr04cu00404.inbound.protection.outlook.com
A52.101.9.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr05cu00504.inbound.protection.outlook.com
A52.101.41.183🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-byapr04cu00307.inbound.protection.outlook.com
A52.101.42.14🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-mw2pr04cu00106.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all

mail.onmicrosoft.com

DNSSEC⚠️ Not signed
MXmail.mail.protection.outlook.com ⭐
TXTv=spf1 include:spf.protection.outlook.com -all
WOT: SAFE (50/100)

Subdomains

autodiscover.busey.mail.onmicrosoft.com

Same first word

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DNS History

5 records (1 active, 4 former)

201820192020202120222023202420252026NSns1.bdm.microsoftonline.comns2.bdm.microsoftonline.comns3.bdm.microsoftonline.comns4.bdm.microsoftonline.comMXbusey-mail-onmicrosoft-com.mail.protection.outlook.com
○NSns1.bdm.microsoftonline.com2017-02-09 → 2017-02-09 · 3 obs
● 2017-02-09 14:00:04
○ 2026-03-26 04:00:10
○ 2026-04-14 10:14:36
○NSns2.bdm.microsoftonline.com2017-02-09 → 2017-02-09 · 3 obs
● 2017-02-09 14:00:04
○ 2026-03-26 04:00:10
○ 2026-04-14 10:14:36
○NSns3.bdm.microsoftonline.com2017-02-09 → 2017-02-09 · 3 obs
● 2017-02-09 14:00:04
○ 2026-03-26 04:00:10
○ 2026-04-14 10:14:36
○NSns4.bdm.microsoftonline.com2017-02-09 → 2017-02-09 · 3 obs
● 2017-02-09 14:00:04
○ 2026-03-26 04:00:10
○ 2026-04-14 10:14:36
●MXbusey-mail-onmicrosoft-com.mail.protection.outlook.com2017-02-09 → 2026-04-14 · 2 obs
● 2017-02-09 14:00:04
● 2026-04-14 10:14:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...-
onmicrosoft.comns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com8 records

✅ Authoritative Response

Server:204.14.183.208

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: 118ms | Queries: -

📄 Records

TypeCountSample Data
MX1busey-mail-onmicrosoft-com.mail.protecti
TXT1v=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

busey.mail.onmicrosoft.com is the parent of autodiscover.busey.mail.onmicrosoft.com.

Mail Servers

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

Hostname busey-mail-onmicrosoft-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c91d::b, 2a01:111:f403:c927::, 2a01:111:f403:f908::, 2a01:111:f403:f90a::1, 40.93.192.4, 52.101.9.12, 52.101.41.183 and 52.101.42.14.