Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rubbertop.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 00:40:13 UTC · ↺ Refresh
MX Hostnames
- smtp.secureserver.net
- mailstore1.secureserver.net
MX Priorities
- smtp.secureserver.net: 0
- mailstore1.secureserver.net: 10
A / AAAA Records
- 132.148.102.19 ↩ 19.102.148.132.host.secureserver.net
Mail Server IPs
- 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
- 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
SOA Record
Raw SOA
ns65.domaincontrol.com dns.jomax.net 2025110300 28800 7200 604800 600
Primary NS (mname)
ns65.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025110300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns65.domaincontrol.com
ns66.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:secureserver.net include:mailgun.org ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- T2567814
- SPFv=spf1 include:secureserver.net include:mailgun.org ~all
Full email verification for rubbertop.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits