Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
linkstaffing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 10:23:41 UTC · ↺ Refresh
MX Hostnames
- linkstaffing-com.mail.protection.outlook.com
MX Priorities
- linkstaffing-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.19.154.92 (no PTR)
Mail Server IPs
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
ns37.worldnic.com namehost.worldnic.com 125120811 10800 3600 604800 3600
Primary NS (mname)
ns37.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125120811
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns37.worldnic.com
ns38.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.us-1.a.mimecastprotect.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; [email protected]; [email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → [email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
3 records- SPFv=spf1 include:spf.us-1.a.mimecastprotect.com include:spf.protection.outlook.com -all
- sophos-domain-verification=1f3b493dcc0a3d9c305b7a1806b0877c35e6364a
- zoho-verification=zb22196679.zmverify.zoho.com
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