superiorgroup.com

Valid Email Server
Domain Lookup › superiorgroup.com

Domain Overview

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

Checked via [email protected] · 2026-03-25 07:21:44 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 10
  • us-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 15.197.225.128 ↩ aec037177372cc6cd.awsglobalaccelerator.com
  • 3.33.251.168 ↩ aec037177372cc6cd.awsglobalaccelerator.com

Mail Server IPs

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

SOA Record

Raw SOA ns73.domaincontrol.com dns.jomax.net 2026012500 28800 7200 604800 600
Primary NS (mname)
ns73.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns73.domaincontrol.com
ns74.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 mx include:us._netblocks.mimecast.com include:spf.smartsearchonline.com ip4:65.170.60.4 ip4:173.240.7.29 include:customers.clickdimensions.com -all
📊 DNS lookups: 4/10
✓ 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

3 records
  • MS=ms58367212
  • JEPNi2eFyQLwump7Y6tVVEq1y1c3SUJFjTSCf4hI6y2dPcz5danx5vTlZlqL6Nu7JIETqTINkUVnHolPNmHFKA==
  • SPFv=spf1 mx include:us._netblocks.mimecast.com include:spf.smartsearchonline.com ip4:65.170.60.4 ip4:173.240.7.29 include:customers.clickdimensions.com -all
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