irmc.org

Valid Email Server
Domain Lookup › irmc.org

Domain Overview

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

Checked via [email protected] · 2026-03-19 06:51:56 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 100.20.245.150 ↩ ec2-100-20-245-150.us-west-2.compute.amazonaws.com

Mail Server IPs

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

SOA Record

Raw SOA ns87.worldnic.com namehost\@worldnic.com 125012909 10800 3600 604800 3600
Primary NS (mname)
ns87.worldnic.com
Admin Email (rname)
namehost\@worldnic@com
Serial
125012909
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns87.worldnic.com
ns88.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com exists:%{i}.spf.hc3494-82.iphmx.com include:spf.mandrillapp.com include:mailgun.org ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=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
  • MS=ms32121631
  • apple-domain-verification=LSF8ZesNwVJLZUl2
  • SPFv=spf1 include:us._netblocks.mimecast.com exists:%{i}.spf.hc3494-82.iphmx.com include:spf.mandrillapp.com include:mailgun.org ~all
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