csusasoutheast.com

Valid Email Server
Domain Lookup › csusasoutheast.com

Domain Overview

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

Checked via [email protected] · 2026-03-28 06:41:42 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 209.126.24.176 ↩ cloudhost-73261.us-midwest-1.nxcli.net

Mail Server IPs

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

SOA Record

Raw SOA ns1-03.azure-dns.com dnsadmin.comfortsystemsusa.com 205201419 86400 7200 1209600 7200
Primary NS (mname)
ns1-03.azure-dns.com
Admin Email (rname)
dnsadmin@comfortsystemsusa.com
Serial
205201419
Refresh
86400s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns2-03.azure-dns.net
ns3-03.azure-dns.org
ns4-03.azure-dns.info
ns1-03.azure-dns.com

SPF Record

✓ Strict (-all)
v=spf1 mx:comfortsystemsusa-com.mail.protection.outlook.com ip4:162.242.134.119 ip4:67.219.250.215 ip4:67.219.250.214 ip4:67.219.246.6 ip4:67.219.250.10 ip4:40.107.220.93 ip4:67.219.250.116 ip4:67.219.250.3 ip4:67.219.246.215 ip4:67.219.246.2 ip4:67.219.246.115 include:_spf.tribuildprojects.com include:spf_all.comfortsystemsusa.com include:spf.bidtracer.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

6 records
  • MS=ms59850335
  • f2YA59k+ePpCaaH1KmiVKdp5nBBaSnzOe1UU8TKMM9QjwUGt0f2C8LiDtbHdrlMAh65me7jmSpbe14qzXZIzJg==
  • SPFv=spf1 mx:comfortsystemsusa-com.mail.protection.outlook.com ip4:162.242.134.119 ip4:67.219.250.215 ip4:67.219.250.214 ip4:67.219.246.6 ip4:67.219.250.10 ip4:40.107.220.93 ip4:67.219.250.116 ip4:67.219.250.3 ip4:67.219.246.215 ip4:67.219.246.2 ip4:67.219.246.115 include:_spf.tribuildprojects.com include:spf_all.comfortsystemsusa.com include:spf.bidtracer.com -all
  • openai-domain-verification=dv-u9PPmSCzfuHSuMl0ovUNJogI
  • smartsheet-site-validation=LdmDxYLJ5Yh55UMxopxA9BbtCPkSpIYf
  • MS=ms14718481
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