hfsinclair.com

Valid Email Server
Domain Lookup › hfsinclair.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hfsinclair.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 04:03:35 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-1.mimecast.com
  • us-smtp-inbound-2.mimecast.com

MX Priorities

  • us-smtp-inbound-1.mimecast.com: 10
  • us-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 162.159.129.11 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns03.gcd-dns.com dns.jomax.net 2026031700 28800 7200 604800 600
Primary NS (mname)
ns03.gcd-dns.com
Admin Email (rname)
dns@jomax.net
Serial
2026031700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns03.gcd-dns.com
ns04.gcd-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a ip4:38.146.100.111 ip4:38.84.63.111 include:us._netblocks.mimecast.com include:spf-us.emailsignatures365.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

16 records
  • docusign=3d573937-c191-45a3-a018-2cd867f45810
  • sitecore-domain-verification=0d3d0b66e80f4e0885c051db841c359f
  • knowbe4-site-verification=ac035c10822a613e78c544cb3b1d2a34
  • cisco-ci-domain-verification=15545c5137d684d2682b579a4b8b4dced50f580412c6d01aa964d65822faf397
  • box-domain-verification=75a40478c5d37874ddf243d07886454e9d09e829e52168e6df99b914b6d01fcc
  • SPFv=spf1 a ip4:38.146.100.111 ip4:38.84.63.111 include:us._netblocks.mimecast.com include:spf-us.emailsignatures365.com ~all
  • atlassian-domain-verification=47KU47l9CWxRkh8URmIepw3dKQ5db1AGbNs7XlaUBY/bOmLbTfwxh3ch89/RLiW5
  • atlassian-sending-domain-verification=a80574f9-806c-4013-8b2a-77a00e2df3a3
  • apple-domain-verification=hMc8fdJ355mBoeDu
  • autodesk-domain-verification=hkBsVKsA8jlnbRwEtXI0
  • JovlpKAzFtIC32wl52OhRASahC/L2sIZJOra85ZqIPs1F4lltevIXHrf1JgMJLTfjOw5MZUMtHqh7XHVw12P+g==
  • autodesk-domain-verification=hkBsVKsA8jilnbRwEtXIO
  • lnwplzyh31z6grhfdrb4shpv6l0d66yb
  • MS=ms61923973
  • XnyC3Gpy15zeXiB7rxA4
  • 6dz6dbrrmyr29f12t6cld12zn5k7cb22
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