Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
shellbackgroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 21:55:06 UTC · ↺ Refresh
MX Hostnames
- shellbackgroup-com.mail.protection.outlook.com
MX Priorities
- shellbackgroup-com.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
ns75.domaincontrol.com dns.jomax.net 2025121900 28800 7200 604800 600
Primary NS (mname)
ns75.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025121900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns76.domaincontrol.com
ns75.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:secureserver.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
3 records- google-site-verification=hASv6p7MGdldwbUxxGItmv0Sf7CGwuM1qgU37uZEEXI
- MS=ms76979281
- SPFv=spf1 include:secureserver.net -all
Full email verification for shellbackgroup.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits