Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alexandermarketing.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 17:22:16 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 66.39.64.141 ↩ blueflamethinking.com
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns.sirus.com sirus.com 2008010105 43200 3600 1209600 180
Primary NS (mname)
ns.sirus.com
Admin Email (rname)
sirus@com
Serial
2008010105
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns.sirus.com
ns2.sirus.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- SPFv=spf1 include:us._netblocks.mimecast.com ~all
- 0ed1fe018a6fe2a0948fc748ad9bf9c45149617e53
- MS=ms51055702
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