Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
murfininc.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:37:12 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 208.75.205.130 ↩ kansascity.tkfast.com
Mail Server IPs
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns75.domaincontrol.com dns.jomax.net 2026031207 28800 7200 604800 600
Primary NS (mname)
ns75.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031207
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns76.domaincontrol.com
ns75.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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
1 record- SPFv=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com -all
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