joshmulherin.com

Valid Email Server
Domain Lookup › joshmulherin.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
joshmulherin.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 10:14:45 UTC · ↺ Refresh

MX Hostnames

  • joshmulherin-com.mail.protection.outlook.com

MX Priorities

  • joshmulherin-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 54.203.172.87 ↩ ec2-54-203-172-87.us-west-2.compute.amazonaws.com

Mail Server IPs

  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.brixwork.ca admin.joshmulherin.com 2026012100 1400 7200 86400 1400
Primary NS (mname)
ns1.brixwork.ca
Admin Email (rname)
admin@joshmulherin.com
Serial
2026012100
Refresh
1400s
Retry
7200s
Expire
86400s
Minimum TTL
1400s

Nameservers (NS)

ns2.jeffkee.com
ns2.brixwork.ca
ns1.brixwork.ca
ns2.hovrmarketing.com
ns1.hovrmarketing.com
ns2.sonika.ca
ns1.sonika.ca
ns1.jeffkee.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

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • MS=ms21264476
  • MS=ms75268322
  • SPFv=spf1 include:spf.protection.outlook.com -all
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