fourcommunications.com

Valid Email Server
Domain Lookup › fourcommunications.com

Domain Overview

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

Checked via [email protected] · 2026-03-20 03:46:42 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

  • 18.169.216.8 ↩ ec2-18-169-216-8.eu-west-2.compute.amazonaws.com

Mail Server IPs

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

SOA Record

Raw SOA uk-ns-1.fourplc.com webmaster.fourplc.com 2025071701 7200 3600 604800 3600
Primary NS (mname)
uk-ns-1.fourplc.com
Admin Email (rname)
webmaster@fourplc.com
Serial
2025071701
Refresh
7200s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

uk-ns-1.fourplc.com
uk-ns-2.fourplc.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:80.71.28.64/27 ip4:168.245.94.198 ip4:168.245.67.111 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

5 records
  • 8bdbc6a2964a4b538b4f952a569c89c8
  • SPFv=spf1 ip4:80.71.28.64/27 ip4:168.245.94.198 ip4:168.245.67.111 include:spf.protection.outlook.com include:_netblocks.mimecast.com -all
  • ca3-e27a95e5ebc9482f8467da8d9a072cd3
  • apple-domain-verification=lQqVdE2dRUhLsGHP
  • MS=DC03E9D9200B4A976BB4FA06343129FEF0DF82C9
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