Domain Overview
DNS: ✓ just now
Checker: ✓ just now
mccorp.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-23 12:44:16 UTC · ↺ Refresh
MX Hostnames
- mccorp-us.mail.protection.outlook.com
MX Priorities
- mccorp-us.mail.protection.outlook.com: 10
A / AAAA Records
- 70.165.68.161 ↩ wsip-70-165-68-161.hr.hr.cox.net
Mail Server IPs
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.41.206 ↩ mail-byapr05cu00806.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.60.173 ↩ mail-bn3pr0501cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90a::8 ↩ mail-bn0pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908::3 ↩ mail-bn3pr02cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
dns101.register.com root.register.com 120042815 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
120042815
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns101.register.com
dns102.register.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms26710135
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