edcastro.com

Valid Email Server
Domain Lookup › edcastro.com

Domain Overview

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

Checked via [email protected] · 2026-03-21 02:41:06 UTC · ↺ Refresh

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

  • 141.193.213.11 (no PTR)
  • 141.193.213.10 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns3.gkg.net root.edcastro.com 1384838034 28800 7200 604800 7200
Primary NS (mname)
ns3.gkg.net
Admin Email (rname)
root@edcastro.com
Serial
1384838034
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
7200s

Nameservers (NS)

ns3.gkg.net
ns4.gkg.net

SPF Record

✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.alchemer.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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

7 records
  • MS=ms25653421
  • apple-domain-verification=yV9Dt2NkZltonblJ
  • qiu4ohpmu6bktnvujn9sqjne11
  • MS=ms43689489
  • knowbe4-site-verification=787f6d2b8afdaa51d19e65377c375af7
  • SPFv=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.alchemer.com -all
  • wpe-verification=edcastrolandsc
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