stellersystems.co.uk

Valid Email Server
Domain Lookup › stellersystems.co.uk

Domain Overview

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

Checked via [email protected] · 2026-04-03 16:36:25 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 87.106.44.51 ↩ aragog.ianmillard.com

Mail Server IPs

  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.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::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.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 2024111401 28800 3600 604800 86400
Primary NS (mname)
ns0.phase8.net
Admin Email (rname)
support@phase8.net
Serial
2024111401
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

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

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:149.106.168.74 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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 ip4:149.106.168.74 include:spf.protection.outlook.com ~all
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