stlcc.edu

Valid Email Server
Domain Lookup › stlcc.edu

Domain Overview

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

Checked via [email protected] · 2026-05-19 09:03:13 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 12.28.52.1 (no PTR)

Mail Server IPs

  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.stlcc.edu dnsadmin.stlcc.edu 2026040705 1800 300 1209600 600
Primary NS (mname)
ns1.stlcc.edu
Admin Email (rname)
dnsadmin@stlcc.edu
Serial
2026040705
Refresh
1800s
Retry
300s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns1.stlcc.edu
ns2.stlcc.edu

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:12.28.52.10/32 ip4:12.234.216.10/32 ip4:54.146.129.215/32 ip4:52.60.189.89/32 ip4:66.151.109.0/24 ip4:64.205.86.161/27 ip4:12.28.52.13/32 ip4:198.187.196.100 include:_spf1.stlcc.edu exists:%{i}._spf.mta.salesforce.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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

20 records
  • abuseipdb-verification=tttHrA3G
  • google-site-verification=psNlH9ta97jbeFWyxdsLDqmLD5WXs67v0TwBtZtg4m8
  • google-site-verification=9UgFrn3C4YF7_YgdiNp-WE6b4bToFX1QF6IHFTNX4U4
  • e2ma-verification=cesgb
  • docusign=715b990d-ff78-4c54-9fe3-f65b21a31412
  • e2ma-verification=e4qgb
  • dell-technologies-domain-verification=stlcc.edu_67b6a59a-34a2-4586-9a12-d4a70eac50df_1754762778
  • google-site-verification=CwzGhbn18dgBEeBoA8TYArvpBOZGsL9qjbITd3cgeNk
  • google-site-verification=eOYNpU94ovPuPMFqr6jsrbrhdVprBTVKBZvL7q1u5uU
  • docusign=50f4a8b3-7818-402d-82c7-31d388064bbb
  • e2ma-verification=aesgb
  • GVwe1Bm4arsnLviZYUmh55PHLcvUssiEsaIUzRpIVZ5HrqDs7SPqvC0w5f8SAhTqAF07UJg3P1odAcG86rk7cw==
  • cisco-ci-domain-verification=6e9256f110954d1a3ed3f2be6affd4de921a747215c675e8425cf6e685239f9f
  • google-site-verification=oSFswm2gOOkA75jfdWsLUY_Yc8B2fIa_UG7NuRq0B6Y
  • e2ma-verification=e3rgb
  • MS=ms21797172
  • apple-domain-verification=HRYGyVJTs6BBl3vi
  • SPFv=spf1 ip4:12.28.52.10/32 ip4:12.234.216.10/32 ip4:54.146.129.215/32 ip4:52.60.189.89/32 ip4:66.151.109.0/24 ip4:64.205.86.161/27 ip4:12.28.52.13/32 ip4:198.187.196.100 include:_spf1.stlcc.edu exists:%{i}._spf.mta.salesforce.com ~all
  • adobe-idp-site-verification=38c0b54315090888766ef3755844460851bacfaa44bb5cc9440673735a01f830
  • e2ma-verification=desgb
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