macsystems.co.uk

Valid Email Server
Domain Lookup › macsystems.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-23 22:00:48 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • macsystems-co-uk.mail.protection.outlook.com: 20

A / AAAA Records

  • 82.71.205.14 ↩ shcp17.hosting.zen.net.uk

Mail Server IPs

  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns0.zen.co.uk netman.zen.co.uk 2023062700 14400 1800 604800 86400
Primary NS (mname)
ns0.zen.co.uk
Admin Email (rname)
netman@zen.co.uk
Serial
2023062700
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns0.zen.co.uk
ns1.zen.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:mailgun.org a:spf.unionstreet.co.uk includes:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ 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

1 record
  • SPFv=spf1 include:mailgun.org a:spf.unionstreet.co.uk includes:spf.protection.outlook.com -all
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