dufrain.co.uk

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dufrain.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 03:40:29 UTC · ↺ Refresh

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MX Hostnames

  • dufrain-co-uk.mail.protection.outlook.com

MX Priorities

  • dufrain-co-uk.mail.protection.outlook.com: 0

A / AAAA Records

  • 138.68.137.119 ↩ 1202890.cloudwaysapps.com

Mail Server IPs

  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com

SOA Record

Raw SOA ns37.domaincontrol.com dns.jomax.net 2025100201 28800 7200 604800 600
Primary NS (mname)
ns37.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025100201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns37.domaincontrol.com
ns38.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:3426122.spf03.hubspotemail.net include:spf.protection.outlook.com include:eu.transmail.net include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com include:sendgrid.net include:amazonses.com include:spf.uk-1.a.mimecastprotect.com ~all
📊 DNS lookups: 10/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;rf=afrf;ri=86400;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • smartsheet-site-validation=HXdFolDUF0_pulSaXjLBXOxbQyU5lNii
  • SPFv=spf1 include:3426122.spf03.hubspotemail.net include:spf.protection.outlook.com include:eu.transmail.net include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com include:sendgrid.net include:amazonses.com include:spf.uk-1.a.mimecastprotect.com ~all
  • firebase=dufrain-prod-employee-portal
  • google-site-verification=8KHZ22t6o1qEpqBlmrCHAH1_EocZ3gacwHAPp1_f98Q
  • m5qnpm2cbfp03gjiqc9022t5ln
  • ms-domain-verification=b12c9fee-da8f-4af5-9683-189217bee637
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