Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
portebrown.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:54:46 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
- 198.202.211.1 (no PTR)
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
freedns1.registrar-servers.com hostmaster.registrar-servers.com 1769274659 43200 3600 604800 3601
Primary NS (mname)
freedns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1769274659
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
freedns2.registrar-servers.com
freedns4.registrar-servers.com
freedns1.registrar-servers.com
freedns5.registrar-servers.com
freedns3.registrar-servers.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:cch.com include:spf1.marketing.pro include:6854056.spf05.hubspotemail.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:cch.com include:spf1.marketing.pro include:6854056.spf05.hubspotemail.net ~all
- bdbrdsch7v5te4deb2t7cojj7o
- facebook-domain-verification=a3b0c5dcy0vw5piq70dtppc0i4ensn
- MS=005FB63E9F7F70274AE2649241D9074C949EDB8D
- 6ngdqcc566m3pv52ta6aul8of8
- 7agikfa6d2m1crle1m6qgp0lhg
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