coursetrends.com

Valid Email Server
Domain Lookup › coursetrends.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coursetrends.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 19:15:59 UTC · ↺ Refresh

MX Hostnames

  • mail.coursetrends.com

MX Priorities

  • mail.coursetrends.com: 10

A / AAAA Records

  • 52.22.76.68 ↩ admin.coursetrends.com

Mail Server IPs

  • 52.22.245.206 ↩ awsmail.coursetrends.com

SOA Record

Raw SOA ns-1787.awsdns-31.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1787.awsdns-31.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-799.awsdns-35.net
ns-139.awsdns-17.com
ns-1404.awsdns-47.org
ns-1787.awsdns-31.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.salesforce.com include:_spf.coursetrends.com include:_spf.automattic.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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

2 records
  • SPFv=spf1 include:_spf.salesforce.com include:_spf.coursetrends.com include:_spf.automattic.com ~all
  • jh2k4tcpf65a80m1tlrprfpl13
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