doctors.org.uk

Valid Email Server
Domain Lookup › doctors.org.uk

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
doctors.org.uk
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 12:33:36 UTC · ↺ Refresh

MX Hostnames

  • d245140.a.ess.uk.barracudanetworks.com
  • d245140.b.ess.uk.barracudanetworks.com

MX Priorities

  • d245140.b.ess.uk.barracudanetworks.com: 5
  • d245140.a.ess.uk.barracudanetworks.com: 5

A / AAAA Records

  • 52.85.31.52 ↩ server-52-85-31-52.jfk50.r.cloudfront.net
  • 52.85.31.68 ↩ server-52-85-31-68.jfk50.r.cloudfront.net
  • 52.85.31.19 ↩ server-52-85-31-19.jfk50.r.cloudfront.net
  • 52.85.31.65 ↩ server-52-85-31-65.jfk50.r.cloudfront.net

Mail Server IPs

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

SOA Record

Raw SOA ns-384.awsdns-48.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-384.awsdns-48.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-384.awsdns-48.com
ns-675.awsdns-20.net
ns-1038.awsdns-01.org
ns-1542.awsdns-00.co.uk

SPF Record

✓ Strict (-all)
v=spf1 ip4:109.104.98.0/24 include:spf.ess.uk.barracudanetworks.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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 ip4:109.104.98.0/24 include:spf.ess.uk.barracudanetworks.com -all
  • google-site-verification=fJ9RLkAgSyGzp4pHN47kjSAm5hhbtelwplKur7DdSeQ
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