highlands.edu

Valid Email Server
Domain Lookup › highlands.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
highlands.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 05:15:26 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 54.210.118.33 ↩ ec2-54-210-118-33.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA thor.highlands.edu hostmaster.highlands.edu 2603131208 1800 7200 2419200 900
Primary NS (mname)
thor.highlands.edu
Admin Email (rname)
hostmaster@highlands.edu
Serial
2603131208
Refresh
1800s
Retry
7200s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

thor.highlands.edu
loki.highlands.edu

SPF Record

✓ Strict (-all)
v=spf1 ip4:168.30.218.12/32 ip4:168.30.218.14/32 ip4:54.210.118.33/32 ip4:54.240.27.22/32 ip4:64.74.237.230/31 ip4:216.147.212.20/30 ip4:52.44.155.197/32 ip4:52.2.126.83/32 ip4:52.5.154.105/32 ip4:52.55.227.221/32 include:spf.protection.outlook.com include:cust-spf.cashnet.com include:mailgun.org include:outboundmail.blackbaud.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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

7 records
  • google-site-verification=b6etcBsoa9Skr234Yzqxz2TE5xjqAriE0JEpbfb_GH8
  • adobe-idp-site-verification=72a5893c9f3af434c9b7cc7f9db8c04e70ef1f808662492bf8b6c199f3faa17b
  • google-site-verification=d05GfBgI2-Fc7X7i7GZCmn6ZJYSr7jwKeepKmWr7syw
  • google-site-verification=pyUvV6GX1Gd7Jwu8IPysHpwfsWe1QHpq4HxDDa9NqQg
  • apple-domain-verification=m4ZT7RzEam3tZ5Ly
  • ZOOM_verify_sQIYwG1hRrGlN0vSomJV8g
  • SPFv=spf1 ip4:168.30.218.12/32 ip4:168.30.218.14/32 ip4:54.210.118.33/32 ip4:54.240.27.22/32 ip4:64.74.237.230/31 ip4:216.147.212.20/30 ip4:52.44.155.197/32 ip4:52.2.126.83/32 ip4:52.5.154.105/32 ip4:52.55.227.221/32 include:spf.protection.outlook.com include:cust-spf.cashnet.com include:mailgun.org include:outboundmail.blackbaud.net -all
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