catalystworks.co.uk

Valid Email Server
Domain Lookup › catalystworks.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-22 02:00:49 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • catalystworks-co-uk.mail.protection.outlook.com: 10

A / AAAA Records

  • 141.193.213.20 (no PTR)
  • 141.193.213.21 (no PTR)

Mail Server IPs

  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com

SOA Record

Raw SOA auth01.dns.pblin.net hostmaster.pblin.net 2025050801 3600 300 2419200 86400
Primary NS (mname)
auth01.dns.pblin.net
Admin Email (rname)
hostmaster@pblin.net
Serial
2025050801
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
86400s

Nameservers (NS)

auth02.dns.pblin.net
auth01.dns.pblin.net

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.pblin.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; fo=0; ri=86400; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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

4 records
  • SPFv=spf1 include:_spf.pblin.net include:spf.protection.outlook.com -all
  • MS=ms96349166
  • have-i-been-pwned-verification=dweb_aqt04q69zx28mqofib6rbzw5
  • 26.11.2024
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