towereight.com

Valid Email Server
Domain Lookup › towereight.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 20:33:22 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 20
  • us-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 104.248.76.245 ↩ 243686.cloudwaysapps.com

Mail Server IPs

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

SOA Record

Raw SOA ns1-05.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns1-05.azure-dns.com
ns2-05.azure-dns.net
ns3-05.azure-dns.org
ns4-05.azure-dns.info

SPF Record

✓ Strict (-all)
v=spf1 ip4:38.84.192.41 ip4:206.71.173.245 ip4:46.31.80.12 ip4:38.84.192.41 a:mail.ccorpusa.com include:spf.protection.outlook.com include:spf.emailsignatures365.com include:us._netblocks.mimecast.com include:emailus.freshservice.com include:servers.mcsv.net include:docebosaas.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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

3 records
  • adobe-sign-verification=2fca71626a6b50c5c63d559abf67e13f
  • SPFv=spf1 ip4:38.84.192.41 ip4:206.71.173.245 ip4:46.31.80.12 ip4:38.84.192.41 a:mail.ccorpusa.com include:spf.protection.outlook.com include:spf.emailsignatures365.com include:us._netblocks.mimecast.com include:emailus.freshservice.com include:servers.mcsv.net include:docebosaas.com -all
  • 0ed1fe018a39ca5beabd334c10b26cc799d88b8b1d
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