calderscreenprint.co.uk

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-27 19:33:13 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • calderscreenprint-co-uk.mail.protection.outlook.com: 1

A / AAAA Records

  • 178.18.126.181 (no PTR)

Mail Server IPs

  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns0.phase8.net support.phase8.net 2025090401 28800 3600 604800 86400
Primary NS (mname)
ns0.phase8.net
Admin Email (rname)
support@phase8.net
Serial
2025090401
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.phase8.net
ns0.phase8.net
ns2.phase8.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.hosts.co.uk -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

4 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.hosts.co.uk -all
  • 201811081155166bwq9tuvmf7q58kgkbc9kgxnh1s3mdi26xu7fji32szggr364w
  • 201910291131360bfqaxfulso0ypwmbzmyphhds160r92i52gizmeb46148vdfid
  • MS=ms62845629
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