polk.com

Valid Email Server
Domain Lookup › polk.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
polk.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 15:53:03 UTC · ↺ Refresh

MX Hostnames

  • mxa-0032c001.gslb.pphosted.com
  • mxb-0032c001.gslb.pphosted.com

MX Priorities

  • mxb-0032c001.gslb.pphosted.com: 10
  • mxa-0032c001.gslb.pphosted.com: 10

A / AAAA Records

  • 20.190.249.200 (no PTR)

Mail Server IPs

  • 148.163.152.37 ↩ mx0b-0032c001.pphosted.com
  • 148.163.148.100 ↩ mx0a-0032c001.pphosted.com

SOA Record

Raw SOA ns2.ihsmarkit.com hostmaster.ihsmarkit.com 2020012956 900 3600 2419200 900
Primary NS (mname)
ns2.ihsmarkit.com
Admin Email (rname)
hostmaster@ihsmarkit.com
Serial
2020012956
Refresh
900s
Retry
3600s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

a9-65.akam.net
a13-66.akam.net
a6-64.akam.net
a10-65.akam.net
a1-28.akam.net
a14-67.akam.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a ip4:170.207.138.11 ip4:170.207.224.16 include:_spfihsm1.ihsmarkit.com ip4:115.68.59.105 include:spf.messagelabs.com mx ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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

3 records
  • SPFv=spf1 a ip4:170.207.138.11 ip4:170.207.224.16 include:_spfihsm1.ihsmarkit.com ip4:115.68.59.105 include:spf.messagelabs.com mx ~all
  • MS=ms44686844
  • MS=ms53382545
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