dupageforest.org

Valid Email Server
Domain Lookup › dupageforest.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dupageforest.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 13:59:18 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 199.60.103.56 (no PTR)
  • 199.60.103.156 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns97.worldnic.com namehost.worldnic.com 125080513 10800 3600 604800 3600
Primary NS (mname)
ns97.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125080513
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns97.worldnic.com
ns98.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:50.206.43.82 include:spf.protection.outlook.com include:_netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 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

4 records
  • apple-domain-verification=kE2VJA2C6xlwoBAC
  • 3mYXOlNNJD9iS6SZQ9oObyU4j-AKomyxFw7d2MJOf0M
  • v5HWZtq2rqPUoVjhalvHBInbM3g50Jz2gn4D6RW1sriVq4sx8jWiqxgYeNS8kdGPPdcuqSmA9trVVy9LPtyKYg==
  • SPFv=spf1 ip4:50.206.43.82 include:spf.protection.outlook.com include:_netblocks.mimecast.com -all
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