resourcedev.com

Valid Email Server
Domain Lookup › resourcedev.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
resourcedev.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 16:05:48 UTC · ↺ Refresh

MX Hostnames

  • d243156.a.ess.uk.barracudanetworks.com
  • d243156.a.ess.uk.barracudanetworks.com

MX Priorities

  • d243156.a.ess.uk.barracudanetworks.com: 10
  • d243156.a.ess.uk.barracudanetworks.com: 5

A / AAAA Records

  • 44.219.17.225 ↩ ec2-44-219-17-225.compute-1.amazonaws.com

Mail Server IPs

  • 18.133.136.186 ↩ mail.ess.uk.barracuda.com
  • 18.133.136.187 ↩ mail.ess.uk.barracuda.com
  • 18.133.136.188 ↩ mail.ess.uk.barracuda.com

SOA Record

Raw SOA ns-703.awsdns-23.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-703.awsdns-23.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1661.awsdns-15.co.uk
ns-451.awsdns-56.com
ns-703.awsdns-23.net
ns-1062.awsdns-04.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

3 records
  • MS=ms74884619
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms13492970
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