Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spiraxsarcoengineering.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 13:04:43 UTC · ↺ Refresh
MX Hostnames
- spiraxsarcoengineering-com.mail.protection.outlook.com
MX Priorities
- spiraxsarcoengineering-com.mail.protection.outlook.com: 0
A / AAAA Records
- 51.104.28.74 (no PTR)
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
dns0.star.co.uk abuse.star.net.uk 2020073001 86400 7200 2419200 86400
Primary NS (mname)
dns0.star.co.uk
Admin Email (rname)
abuse@star.net.uk
Serial
2020073001
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
dns1.star.co.uk
dns0.star.co.uk
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- globalsign-domain-verification=Q_garu7vxXXzHHXLmQ2Dx0ltf-3Yd4rOc0uEkHpCCi
- globalsign-domain-verification=WXrUBInw-9MO5jHJN28wPfIG_zVNjOLPqpW3F9dJhR
- SPFv=spf1 mx include:spf.protection.outlook.com -all
- MS=ms51645317
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