mmsa.com

Valid Email Server
Domain Lookup › mmsa.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mmsa.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 17:09:16 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-2.mimecast.com
  • us-smtp-inbound-1.mimecast.com

MX Priorities

  • us-smtp-inbound-1.mimecast.com: 5
  • us-smtp-inbound-2.mimecast.com: 5

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA ns1-05.azure-dns.com sysop.mmsa.com 20001166 3600 600 432000 1800
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
sysop@mmsa.com
Serial
20001166
Refresh
3600s
Retry
600s
Expire
432000s
Minimum TTL
1800s

Nameservers (NS)

ns2-05.azure-dns.net
ns3-05.azure-dns.org
ns4-05.azure-dns.info
ns1-05.azure-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:_spf.psm.knowbe4.com mx ip4:169.61.174.232 ip4:169.61.174.162 ip4:169.61.174.139 ip4:169.61.174.140 ip4:169.61.174.164 ip4:169.61.174.165 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

5 records
  • MS=ms22537162
  • 70jmgy88pyvqtcfj4s0w6dx3kcghp0cg
  • _n76431tx8ztoougxrzlvsbg2ja6vedb
  • wj1364th1ss1npxtblncfxmnmhcb1lb3
  • SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:_spf.psm.knowbe4.com mx ip4:169.61.174.232 ip4:169.61.174.162 ip4:169.61.174.139 ip4:169.61.174.140 ip4:169.61.174.164 ip4:169.61.174.165 ~all
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