polb.com

Valid Email Server
Domain Lookup › polb.com

Domain Overview

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

Checked via [email protected] · 2026-03-25 20:58:57 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-2.mimecast.com
  • us-smtp-inbound-1.mimecast.com

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 5
  • us-smtp-inbound-1.mimecast.com: 5

A / AAAA Records

  • 23.206.172.38 ↩ a23-206-172-38.deploy.static.akamaitechnologies.com
  • 23.206.172.7 ↩ a23-206-172-7.deploy.static.akamaitechnologies.com
  • 2600:141b:1c00:36::17d2:5cb2 ↩ g2600-141b-1c00-0036-0000-0000-17d2-5cb2.deploy.static.akamaitechnologies.com
  • 2600:141b:1c00:36::17d2:5cab ↩ g2600-141b-1c00-0036-0000-0000-17d2-5cab.deploy.static.akamaitechnologies.com

Mail Server IPs

  • 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA a1-172.akam.net hostmaster.akamai.com 2008017018 43200 3600 1209600 180
Primary NS (mname)
a1-172.akam.net
Admin Email (rname)
hostmaster@akamai.com
Serial
2008017018
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

a5-67.akam.net
a14-64.akam.net
a28-65.akam.net
a1-172.akam.net
a22-67.akam.net
a9-67.akam.net

SPF Record

✓ Strict (-all)
v=spf1 mx include:us._netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none

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

10 records
  • google-site-verification=Jun30WbKPCTLYC4J1PyBBpUWBJg99Dl_uj1X4wXoTdk
  • docusign=cc331ccb-0d1f-402c-b34c-8789fdaf307b
  • docusign=2ac41fc6-9212-487e-910a-376ed4602585
  • intersight=332dbf0b134bf7e78e189656315d3f3c8c475da5764e37ca22527ee61cd4bd88
  • adobe-idp-site-verification=2b3b88f7-3c64-455d-9d1c-1d1702e47464
  • Mf+6/G9OigdMqWsA5CtHWIwSGZYRkv5a+xFSp0SrSGoi5CHWMjWa90IyaWg0CCxG2Dp6/m1Mn3WnTRTK88WHSQ==
  • SPFv=spf1 mx include:us._netblocks.mimecast.com -all
  • cisco-ci-domain-verification=66b877853c65a5193e348ef2324aa045d85587169793429346152e264d2b4de7
  • cisco-ci-domain-verification=353f94a41c57fbc548b19cc65719a2699f824c09b4784a4716947ec0db33db7d
  • MS=ms25981765
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