healthsystemone.com

Valid Email Server
Domain Lookup › healthsystemone.com

Domain Overview

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

Checked via [email protected] · 2026-04-04 12:46:43 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

  • 172.66.173.36 (no PTR)
  • 104.20.17.6 (no PTR)
  • 2606:4700:10::ac42:ad24 (no PTR)
  • 2606:4700:10::6814:1106 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA chan.ns.cloudflare.com dns.cloudflare.com 2400632986 10000 2400 604800 1800
Primary NS (mname)
chan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400632986
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

garrett.ns.cloudflare.com
chan.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:96.46.247.120 include:us._netblocks.mimecast.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 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

7 records
  • SPFv=spf1 ip4:96.46.247.120 include:us._netblocks.mimecast.com include:spf.protection.outlook.com -all
  • 77O4QIxY+nIrxObFXf1ShItKDu1k4jd7jI70lzHsjSTMgxlPXPeJm3TI8MVIzB+//uJDQwyqEBoRGw13nh7WsA==
  • 7up7ehd7j9rc6d83miet5vlc95
  • Ja7Fy36e9C7LuvV/ri9ncTqvFiJk0Y/TnECswbfx2KwNAkn3xutLv6CnLqXFji8c1gxoACjnHLkRfQC978jZkw==
  • MS=D3F2AB29CB235975223DEE950F0837958729E4A0
  • docusign=35b2ae3d-ba57-4a81-ad11-8c3df3ec177b
  • smartsheet-site-validation=2uTEMUb4Z4e-W_3CfZJjKtfm6quVtTur
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