Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swiftline.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 21:50:11 UTC · ↺ Refresh
MX Hostnames
- swiftline-co-uk.mail.protection.outlook.com
MX Priorities
- swiftline-co-uk.mail.protection.outlook.com: 1
A / AAAA Records
- 68.65.120.213 ↩ host40-4.registrar-servers.com
Mail Server IPs
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.zen.co.uk netman.zen.co.uk 2018091942 2400 3600 604800 300
Primary NS (mname)
ns0.zen.co.uk
Admin Email (rname)
netman@zen.co.uk
Serial
2018091942
Refresh
2400s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns0.zen.co.uk
ns1.zen.co.uk
SPF Record
✓ Strict (-all)
v=spf1 ip4:62.172.37.91 a:swiftlin.myzen.co.uk 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; rua=mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
1 record- SPFv=spf1 ip4:62.172.37.91 a:swiftlin.myzen.co.uk include:spf.protection.outlook.com -all
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