shermanhoward.com

Valid Email Server
Domain Lookup › shermanhoward.com

Domain Overview

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

Checked via [email protected] · 2026-03-20 00:17:09 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 5
  • us-smtp-inbound-1.mimecast.com: 5

A / AAAA Records

  • 23.100.43.208 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA dns101.register.com root.register.com 126031910 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
126031910
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns102.register.com
dns101.register.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:spf.odmad.quest-on-demand.com include:spf.vx-email.com include:relay.mailchannels.net a:smtp.viglobal.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

6 records
  • adobe-idp-site-verification=4f6dc72fe95f1ff7df6f3691977ac1b02d3c69ec625dd22c9b9fa15415a557be
  • MS=ms31145234
  • kpa7bTyu1m2gkjEJMYEDoC/JQx0csc3Sa/m3eih+pHjDrPr2XtrEqDCZuhWPenNj76p/VvpUXi7sdv2y4j0CYg==
  • SPFv=spf1 include:us._netblocks.mimecast.com include:spf.odmad.quest-on-demand.com include:spf.vx-email.com include:relay.mailchannels.net a:smtp.viglobal.com include:spf.protection.outlook.com ~all
  • MS=ms29053148
  • knowbe4-site-verification=01c77cced12a3f645db0d5c37b6c41e3
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