pattersonsheridan.com

Valid Email Server
Domain Lookup › pattersonsheridan.com

Domain Overview

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

Checked via [email protected] · 2026-03-20 21:58:53 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 104.26.13.137 (no PTR)
  • 172.67.71.182 (no PTR)
  • 104.26.12.137 (no PTR)
  • 2606:4700:20::681a:d89 (no PTR)
  • 2606:4700:20::681a:c89
  • 2606:4700:20::ac43:47b6

Mail Server IPs

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

SOA Record

Raw SOA bethany.ns.cloudflare.com dns.cloudflare.com 2398832464 10000 2400 604800 1800
Primary NS (mname)
bethany.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398832464
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

tom.ns.cloudflare.com
bethany.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:38.122.193.213 ip4:54.205.171.29 include:spf.smtp2go.com include:_netblocks.mimecast.com include:sendgrid.net include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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

4 records
  • SPFv=spf1 ip4:38.122.193.213 ip4:54.205.171.29 include:spf.smtp2go.com include:_netblocks.mimecast.com include:sendgrid.net include:spf.protection.outlook.com -all
  • luc4advck8hha6ecrdnh75adr9
  • neo7hko0p6qfi8mki4bjq1ugml
  • r9f186v079jodi6jckmfjmd170
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