mdd.com

Valid Email Server
Domain Lookup › mdd.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 06:25:19 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 54.192.100.74 ↩ server-54-192-100-74.mci50.r.cloudfront.net
  • 54.192.100.2 ↩ server-54-192-100-2.mci50.r.cloudfront.net
  • 54.192.100.68 ↩ server-54-192-100-68.mci50.r.cloudfront.net
  • 54.192.100.50 ↩ server-54-192-100-50.mci50.r.cloudfront.net
  • 2600:9000:211c:ae00:19:658f:1a80:93a1
  • 2600:9000:211c:6200:19:658f:1a80:93a1
  • 2600:9000:211c:ee00:19:658f:1a80:93a1
  • 2600:9000:211c:9800:19:658f:1a80:93a1
  • 2600:9000:211c:6000:19:658f:1a80:93a1
  • 2600:9000:211c:1400:19:658f:1a80:93a1
  • 2600:9000:211c:3600:19:658f:1a80:93a1
  • 2600:9000:211c:4000:19:658f:1a80:93a1

Mail Server IPs

  • 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.201 ↩ eu-smtp-inbound-1.mimecast.com
  • 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
  • 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
  • 91.220.42.211 ↩ eu-smtp-inbound-1.mimecast.com
  • 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA colin.ns.cloudflare.com dns.cloudflare.com 2398619760 10000 2400 604800 1800
Primary NS (mname)
colin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398619760
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

colin.ns.cloudflare.com
iris.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:207.38.119.153 ip4:38.143.129.130 ip4:142.214.208.70 ip4:104.211.23.128 include:spf.protection.outlook.com include:spf.constantcontact.com include:emailcc.com include:eu._netblocks.mimecast.com include:us._netblocks.mimecast.com include:spf.exclaimer.net -all
📊 DNS lookups: 6/10
✓ 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

✓ 5 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

9 records
  • niOV1G5H9r3itykmtuof8gAJ3KCeP7yvSHVMSRpEoaIdwfLZ27AXnGb79Pffo5tolX3l2A5zetycVcpHzXYalg==
  • SPFv=spf1 ip4:207.38.119.153 ip4:38.143.129.130 ip4:142.214.208.70 ip4:104.211.23.128 include:spf.protection.outlook.com include:spf.constantcontact.com include:emailcc.com include:eu._netblocks.mimecast.com include:us._netblocks.mimecast.com include:spf.exclaimer.net -all
  • v=verifydomain MS=2436673
  • v=verifydomain MS=2963702
  • v=verifydomain MS=6646188
  • 0ed1fe018ae04faf8e21da4d39a02443f08eb12b58
  • MS=ms69048074
  • google-site-verification=KCKB6fqwBhztGxqIAwMMKrETQdZ9KtZR6hI4Qkmk5mE
  • knowbe4-site-verification=4165a926df2104e8d80eeb69c793fe22
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