polk.k12.ga.us

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
polk.k12.ga.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 03:11:54 UTC · ↺ Refresh

MX Hostnames

  • polk-k12-ga-us.mail.protection.outlook.com

MX Priorities

  • polk-k12-ga-us.mail.protection.outlook.com: 1

A / AAAA Records

  • 34.238.178.141 ↩ ec2-34-238-178-141.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ddimaster.bor.usg.edu hostmaster.usg.edu 613933085 600 180 3600000 3600
Primary NS (mname)
ddimaster.bor.usg.edu
Admin Email (rname)
hostmaster@usg.edu
Serial
613933085
Refresh
600s
Retry
180s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

ns2.usg.edu
ns3.usg.edu
ns4.usg.edu
ns1.usg.edu

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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

10 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • yRahkCcc
  • MS=ms22580880
  • apple-domain-verification=8FYrbKNHsQoftr1y
  • XiOQG8aw
  • adobe-idp-site-verification=eea3ac5ed36be6d6a555739be4eb8f7a47c26a502c665193d191a33d852b3f5d
  • google-site-verification=yG4ApxKOGPiuD9lZP6yyPzLxJXGJkg4rcwckp-qPV-c
  • i1mjq9cchbctioh2n1gq2qq2hh
  • Pt2MRs0zMJkavYrf+XdaVlFPRd2beXC7Vd8DMuzArxDNM7nhensXULH7cCo3r3q3tzsTkUbQdM8z/KV1N35+zw==
  • lr67tcegcvoehqj9nojr9gd93f
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