discreteheat.co.uk

Valid Email Server
Domain Lookup › discreteheat.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-27 12:06:16 UTC · ↺ Refresh

MX Hostnames

  • discreteheat-co-uk.mail.protection.outlook.com
  • discreteheat-co-uk.mail.eo.outlook.com

MX Priorities

  • discreteheat-co-uk.mail.eo.outlook.com: 5
  • discreteheat-co-uk.mail.protection.outlook.com: 1

A / AAAA Records

  • 216.21.224.199

Mail Server IPs

  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.16
  • 2a01:111:f403:ca04::f
  • 2a01:111:f403:ca04::9
  • 2a01:111:f403:ca04::d

SOA Record

Raw SOA dns139.a.register.com root.register.com 2015090913 28800 7200 604800 3600
Primary NS (mname)
dns139.a.register.com
Admin Email (rname)
root@register.com
Serial
2015090913
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns177.d.register.com
dns211.b.register.com
dns139.a.register.com
dns023.c.register.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

2 records
  • MS=ms16787862
  • SPFv=spf1 include:spf.protection.outlook.com -all
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