toweronecafe.comcastbiz.net

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
toweronecafe.comcastbiz.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 00:38:53 UTC · ↺ Refresh

MX Hostnames

  • toweronecafe-comcastbiz-net.mail.protection.outlook.com

MX Priorities

  • toweronecafe-comcastbiz-net.mail.protection.outlook.com: 1

A / AAAA Records

  • 216.110.146.69 (no PTR)

Mail Server IPs

  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA adns.cs.onr.siteprotect.com hostmaster.toweronecafe.comcastbiz.net 2017101015 172800 900 1209600 3600
Primary NS (mname)
adns.cs.onr.siteprotect.com
Admin Email (rname)
hostmaster@toweronecafe.comcastbiz.net
Serial
2017101015
Refresh
172800s
Retry
900s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

adns.cs.siteprotect.com
bdns.cs.siteprotect.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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=ms55571716
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