howardbrown.org

Valid Email Server
Domain Lookup › howardbrown.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
howardbrown.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 18:36:04 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • us-smtp-inbound-1.mimecast.com: 0
  • us-smtp-inbound-2.mimecast.com: 0

A / AAAA Records

  • 141.193.213.21 (no PTR)
  • 141.193.213.20 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA dns101.register.com root.register.com 126031213 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
126031213
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns102.register.com
dns101.register.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a:secmail.ultipro.com ip4:208.86.168.7 ip4:135.84.68.123 ip4:209.3.157.213 include:us._netblocks.mimecast.com include:spf.constantcontact.com include:mailgun.org ~all
📊 DNS lookups: 4/10
~ 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

7 records
  • g2hdq4n1cnsmj104be1m8llvf7
  • MS=2B232610D253C89EC56536E4D159F5B978CE16D1
  • SPFv=spf1 a:secmail.ultipro.com ip4:208.86.168.7 ip4:135.84.68.123 ip4:209.3.157.213 include:us._netblocks.mimecast.com include:spf.constantcontact.com include:mailgun.org ~all
  • ncoi50e7l5c6cgkdvqlo0vfa8u
  • DNQMXXYOJJDRTQSN1173LA1AR9Q7YL06SOYABB4R9
  • KH9TmNLqNKp9usjkEgEr9bt973zvWIFo/d9Cqrcek9A=
  • MS=ms27149990
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