hfw1.com

Valid Email Server
Domain Lookup › hfw1.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hfw1.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 01:40:05 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

  • 52.85.31.11 ↩ server-52-85-31-11.jfk50.r.cloudfront.net
  • 52.85.31.7 ↩ server-52-85-31-7.jfk50.r.cloudfront.net
  • 52.85.31.22 ↩ server-52-85-31-22.jfk50.r.cloudfront.net
  • 52.85.31.18 ↩ server-52-85-31-18.jfk50.r.cloudfront.net

Mail Server IPs

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

SOA Record

Raw SOA ns-1096.awsdns-09.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1096.awsdns-09.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-1096.awsdns-09.org
ns-1640.awsdns-13.co.uk
ns-457.awsdns-57.com

SPF Record

✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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

5 records
  • MS=ms79510425
  • box-domain-verification=11fad9941b35fe0050995f2133ff447eb8459a7db1863ef029ee7c46981e22d1
  • SPFv=spf1 include:us._netblocks.mimecast.com -all
  • 0ed1fe018a72b7bc4d322548e4a0ed8f28fb8107fb
  • MS=ms59781005
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