Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
installplus.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 05:04:25 UTC · ↺ Refresh
MX Hostnames
- mailstore1.secureserver.net
- smtp.secureserver.net
MX Priorities
- mailstore1.secureserver.net: 10
- smtp.secureserver.net: 0
A / AAAA Records
- 3.33.152.147 ↩ a4ec4c6ea1c92e2e6.awsglobalaccelerator.com
- 15.197.142.173 ↩ a4ec4c6ea1c92e2e6.awsglobalaccelerator.com
Mail Server IPs
- 216.69.141.78 ↩ osplibsmtp01-v02.prod.phx3.secureserver.net
- 216.69.141.114 ↩ osplibsmtp03-v02.prod.phx3.secureserver.net
- 216.69.141.162 ↩ osplibsmtp02-v02.prod.phx3.secureserver.net
- 216.69.141.113 ↩ osplibsmtp03-v01.prod.phx3.secureserver.net
- 216.69.141.84 ↩ osplibsmtp02-v01.prod.phx3.secureserver.net
- 216.69.141.71 ↩ osplibsmtp01-v01.prod.phx3.secureserver.net
SOA Record
Raw SOA
ns21.domaincontrol.com dns.jomax.net 2025120901 28800 7200 604800 600
Primary NS (mname)
ns21.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025120901
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns21.domaincontrol.com
ns22.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx a include:secureserver.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; adkim=r; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- google-site-verification=CW3Qhy7L78__s8s8KqPblcT3dmTYpCrwbu23-1d8lVI
- SPFv=spf1 mx a include:secureserver.net -all
Full email verification for installplus.co.uk
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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