mail.sdsu.edu

Valid Email Server
Live data โ€” DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: โšก live Checker: โšก live
mail.sdsu.edu
Yes
โœ“ Yes
Proofpoint
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-05-20 09:27:12 UTC ยท โ†บ Refresh

MX Hostnames

  • mxb-009b9c01.gslb.pphosted.com
  • mxa-009b9c01.gslb.pphosted.com

MX Priorities

  • mxa-009b9c01.gslb.pphosted.com: 10
  • mxb-009b9c01.gslb.pphosted.com: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 208.56.8.161 โ†ฉ mx0a-009b9c01.pphosted.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:_spf.google.com include:_spf2.sdsu.edu include:_spf3.sdsu.edu include:_spf4.sdsu.edu include:_spf5.sdsu.edu include:_spf6.sdsu.edu include:_spf7.sdsu.edu ip4:172.217.0.0/19 ip4:130.191.0.0/16 ip4:146.244.0.0/16 ip4:208.56.8.161 ip4:208.56.12.133 exists:%{i}._spf.sdsu.edu ~all
๐Ÿ“Š DNS lookups: 8/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
โœ“ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • SPFv=spf1 include:_spf.google.com include:_spf2.sdsu.edu include:_spf3.sdsu.edu include:_spf4.sdsu.edu include:_spf5.sdsu.edu include:_spf6.sdsu.edu include:_spf7.sdsu.edu ip4:172.217.0.0/19 ip4:130.191.0.0/16 ip4:146.244.0.0/16 ip4:208.56.8.161 ip4:208.56.12.133 exists:%{i}._spf.sdsu.edu ~all
  • smartsheet-site-validation=5IudHRaU-T3WBYLFaUOYsoZ_4Wk169oc
  • adobe-sign-verification=f90b78813ea85a56a64f9271be170251
  • google-site-verification=vKTmN8Mad75fjfukjpNHGBFiirphMlPXfcJ_jGwewmM
  • MS=6B04307DB612625C5DBA6AA840DCEFC11B3B6BC5
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for mail.sdsu.edu

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

No credit card required
Get 1,000 Free Credits