excelsiorhvac.com

Valid Email Server
Domain Lookup › excelsiorhvac.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
excelsiorhvac.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 14:17:20 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 0
  • us-smtp-inbound-1.mimecast.com: 0

A / AAAA Records

  • 35.174.201.53 ↩ ec2-35-174-201-53.compute-1.amazonaws.com

Mail Server IPs

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

SOA Record

Raw SOA ns61.domaincontrol.com dns.jomax.net 2024020802 28800 7200 604800 600
Primary NS (mname)
ns61.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024020802
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns62.domaincontrol.com
ns61.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

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

All TXT Records

4 records
  • SPFv=spf1 include:us._netblocks.mimecast.com ~all
  • 0ed1fe018a4cd60922c9af43ecb71713
  • 7WQCkXfKIgDGOW69YxuvNDictSeiVMxeEaYf4Mt2dHo6gByrNW02xKEN2JkHT/eopYbbg1QP/8qXYr8YpF4SAQ==
  • MS=ms21194816
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