uscareerinstitute.edu

Valid Email Server
Domain Lookup › uscareerinstitute.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
uscareerinstitute.edu
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 02:20:57 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-1.mimecast.com

MX Priorities

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

A / AAAA Records

  • 130.211.9.72 ↩ 72.9.211.130.bc.googleusercontent.com

Mail Server IPs

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

SOA Record

Raw SOA ns-cloud-e1.googledomains.com cloud-dns-hostmaster.google.com 2 21600 3600 259200 300
Primary NS (mname)
ns-cloud-e1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
2
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s

Nameservers (NS)

ns-cloud-e1.googledomains.com
ns-cloud-e4.googledomains.com
ns-cloud-e2.googledomains.com
ns-cloud-e3.googledomains.com

SPF Record

✓ Strict (-all)
v=spf1 mx include:_netblocks.mimecast.com include:mktomail.com include:21701673.spf08.hubspotemail.net include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; rf=afrf
✓ Reject — strongest protection
📋 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

6 records
  • unbounce=385274
  • facebook-domain-verification=nheq77qq9e8b4d6w6a0xzmg8t6kfo4
  • google-site-verification=l85hWm8bQqs6fUJNjoAvabhG2A09elyMdAe-zNfyjH4
  • google-site-verification=9av_zipT_ee-Sq_HizV_Quubi281q26LCudIEd_lEmo
  • google-site-verification=6Tuy2CkhPUhwXkn7vcL6eVQYbGAca07djLN2EastkFY
  • SPFv=spf1 mx include:_netblocks.mimecast.com include:mktomail.com include:21701673.spf08.hubspotemail.net include:spf.protection.outlook.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
Full email verification for uscareerinstitute.edu

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits