hsu.edu

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hsu.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 05:24:19 UTC · ↺ Refresh

MX Hostnames

  • hsu-edu.mail.protection.outlook.com

MX Priorities

  • hsu-edu.mail.protection.outlook.com: 10

A / AAAA Records

  • 204.48.24.79 ↩ 916073.cloudwaysapps.com

Mail Server IPs

  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA dns01 administrator.hsu.edu 7096725 3600 60 1209600 3600
Primary NS (mname)
dns01
Admin Email (rname)
administrator@hsu.edu
Serial
7096725
Refresh
3600s
Retry
60s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns1.areon.net
ns2.areon.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:12.228.6.215 ip4:52.45.50.190 ip4:3.230.80.180 ip4:3.209.136.136 ip4:3.222.163.189 ip4:52.22.92.184 ip4:18.214.202.42 include:spf.protection.outlook.com include:spf.dynect.net include:_spf.google.com include:_tuf-spf.touchnet.com include:outboundmail.blackbaud.net include:spf.elluciancloud.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

9 records
  • apple-domain-verification=SfqGDKS8pITXpPLn
  • t9jgg5w2v9w7tl95k3m7x39mxzz1yn7c
  • MS=ms77724457
  • SPFv=spf1 ip4:12.228.6.215 ip4:52.45.50.190 ip4:3.230.80.180 ip4:3.209.136.136 ip4:3.222.163.189 ip4:52.22.92.184 ip4:18.214.202.42 include:spf.protection.outlook.com include:spf.dynect.net include:_spf.google.com include:_tuf-spf.touchnet.com include:outboundmail.blackbaud.net include:spf.elluciancloud.com ~all
  • 93myn62qh11ljzkx720wzsmxx94znxj5
  • _npgs63h293cmdcz28ut0okafszcx2dy
  • google-site-verification=wRVoRNcI9I-K9jqCx0nzM_kf5JTOCZ-bHadcvc3qiH8
  • facebook-domain-verification=twk4vllwyfqgiokh8bl0aic3mluwvu
  • docusign=fdb2926c-3bd0-4b1a-a30c-22febbe6ba00
Full email verification for hsu.edu

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits