ironcitypolaris.com

Valid Email Server
Domain Lookup › ironcitypolaris.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ironcitypolaris.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-17 20:03:56 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • us-smtp-inbound-1.mimecast.com: 10
  • us-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 104.17.77.117 (no PTR)
  • 104.17.76.117 (no PTR)
  • 2606:4700::6811:4d75 (no PTR)
  • 2606:4700::6811:4c75 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns00.ldv-dns.com dnsadmin.ldv-dns.com 2026031101 3600 600 1209600 3600
Primary NS (mname)
ns00.ldv-dns.com
Admin Email (rname)
dnsadmin@ldv-dns.com
Serial
2026031101
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns3.ldv-dns.com
ns1.ldv-dns.com
ns2.ldv-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com ip4:74.208.152.72 include:servers.mcsv.net include:spf.dealerspike.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • 0ed1fe018af25ea9b83ea242c2b44d4b1ba802aca9
  • SPFv=spf1 include:us._netblocks.mimecast.com ip4:74.208.152.72 include:servers.mcsv.net include:spf.dealerspike.com ~all
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