Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
catalystmarketing.io
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 19:57:24 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 35.188.14.91 ↩ 91.14.188.35.bc.googleusercontent.com
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
dns1.registrar-servers.com hostmaster.registrar-servers.com 1750432630 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1750432630
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
dns2.registrar-servers.com
dns1.registrar-servers.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:_spf.google.com include:2771116.spf06.hubspotemail.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=EB1124FE4E571AC7B799CD865187CD892C85427D
- google-site-verification=zJMMrDaZbJc06GzqObzWENSvL-j4cNUT9tqTULnlBhg
- SPFv=spf1 include:us._netblocks.mimecast.com include:_spf.google.com include:2771116.spf06.hubspotemail.net include:spf.protection.outlook.com ~all
- 6C5A1E565C
- 0ed1fe018a924f75346ec24870b3ad6b15d088746b
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