Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
helfmandavis.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:18:10 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
- 67.225.160.98 (no PTR)
Mail Server IPs
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns53.domaincontrol.com dns.jomax.net 2025012000 28800 7200 604800 600
Primary NS (mname)
ns53.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025012000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns54.domaincontrol.com
ns53.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:helfmandavis-com.spf.smtp25.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
6 records- 0ed1fe018a6f057605f8e642c5ad5fc0835e2124d7
- PVCF5tQdrSL1sXYNxOGJ3A==
- MS=ms37426209
- google-site-verification=saVHH3POKmLDaakHrJV_L93NLuNV25JLAix6HK0O8T4
- google-site-verification=ljyQ_q7bCQMc60dQdLLK2nc0aSizgNB8oW9IaIUzKuM
- SPFv=spf1 include:us._netblocks.mimecast.com include:helfmandavis-com.spf.smtp25.com -all
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