Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
triplefive.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 20:30:52 UTC · ↺ Refresh
MX Hostnames
- ca-smtp-inbound-1.mimecast.com
- ca-smtp-inbound-2.mimecast.com
MX Priorities
- ca-smtp-inbound-1.mimecast.com: 10
- ca-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 204.209.132.5 (no PTR)
Mail Server IPs
- 170.10.146.242 ↩ ca-smtp-delivery-2.mimecast.com
- 170.10.144.242 ↩ ca-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns-1146.awsdns-15.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1146.awsdns-15.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-642.awsdns-16.net
ns-1146.awsdns-15.org
ns-1683.awsdns-18.co.uk
ns-450.awsdns-56.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:ca._netblocks.mimecast.com include:spf.protection.outlook.com ip4:204.209.132.0/24 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo 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- SPFv=spf1 include:ca._netblocks.mimecast.com include:spf.protection.outlook.com ip4:204.209.132.0/24 ~all
- 0ed1fe018a5a537bf46046442a8141bf783a1f5d6a
- knowbe4-site-verification=1e84247bf7d3994de05014e221d2dc7a
- openai-domain-verification=dv-5Y2xHy52aY4oTL2TkhKbQWUd
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