usfsc.com

Valid Email Server
Domain Lookup › usfsc.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 20:47:10 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

  • 54.164.9.107 ↩ ec2-54-164-9-107.compute-1.amazonaws.com
  • 54.85.200.131 ↩ ec2-54-85-200-131.compute-1.amazonaws.com

Mail Server IPs

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

SOA Record

Raw SOA cloe.ns.cloudflare.com dns.cloudflare.com 2397285480 10000 2400 604800 1800
Primary NS (mname)
cloe.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397285480
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

cloe.ns.cloudflare.com
jerome.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.smarsh.com include:spf.protection.outlook.com include:spf.kestrafinancial.com include:us._netblocks.mimecast.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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

4 records
  • MS=ms32685634
  • ca3-5f5c96bb772941e48aa4812baf5c12e1
  • ppe-c290d4b5eb874490a425
  • SPFv=spf1 include:spf.smarsh.com include:spf.protection.outlook.com include:spf.kestrafinancial.com include:us._netblocks.mimecast.com ~all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Verify actual deliverability to usfsc.com

SMTP handshake, catch-all detection, custom validation rules, and Yahoo/Outlook/Gmail verification — know if the mailbox truly exists before you send.

Get 1,000 Free Credits