stcl.edu

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-19 04:54:42 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 207.91.174.161 ↩ web1.stcl.edu

Mail Server IPs

  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns.stcl.edu hostmaster.stcl.edu 2026031700 3600 1800 1209600 3600
Primary NS (mname)
ns.stcl.edu
Admin Email (rname)
hostmaster@stcl.edu
Serial
2026031700
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns2.stcl.edu
ns21.zns-53.net
ns41.zns-53.net
ns31.zns-53.com
ns.stcl.edu
ns11.zns-53.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_u.stcl.edu._spf.dmarcla.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];" "ruf=mailto:[email protected]; sp=none; aspf=r; adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

9 records
  • d365mktkey=Io6bx0GGb5p60UQnsixQRZoyc6RCgBxcxQ0oxuYSNxIx
  • facebook-domain-verification=gqxbebscjg3e3yezu88gpbo4imeung
  • google-site-verification=O3IN4z8Y5x9O43uWG0BlliyzfE1ejeMQhrPG949jO74
  • ZIqOoBUtwHMPYLJuztmdSsBrZ2X9md
  • openai-domain-verification=dv-xiinPwmRSocZ9KtrWvrLeA1n
  • e2ma-verification=4k7fb
  • apple-domain-verification=3aFTkcqxWNgnRkLz
  • SPFv=spf1 include:_u.stcl.edu._spf.dmarcla.com ~all
  • d365mktkey=AwElokOQJ46INESXo2rlnIDkAX7zfhoTBHHsiFA06okx
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