prstelecom.co.uk

Valid Email Server
Domain Lookup › prstelecom.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-17 18:39:05 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 85.118.233.233 ↩ vh5.protexia.net

Mail Server IPs

  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com

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
  • 202211240915532v8tem9k9w8lzqw1bq60x9ldp3qvqvm1faq34ymrgl7sepyymp
  • mscid=dEJvz6VmTEfp9l7nD7gIqpB37mQ8i2ovVht/Rwf1JVMvppTxWr/q2S9EmYLHzLqFXKWcUQ3DwvuFpB3WaT+lKg==
  • SPFv=spf1 include:spf.protection.outlook.com -all
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