Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
16s.com.au
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 05:09:59 UTC · ↺ Refresh
MX Hostnames
- belmont-16ft-sailing-club-mx2.firstcloudsecurity.net
- belmont-16ft-sailing-club-mx1.firstcloudsecurity.net
MX Priorities
- belmont-16ft-sailing-club-mx2.firstcloudsecurity.net: 20
- belmont-16ft-sailing-club-mx1.firstcloudsecurity.net: 10
A / AAAA Records
- 27.50.71.179 ↩ sau-a51ff-or.servercontrol.com.au
Mail Server IPs
- 52.65.142.165 ↩ imx1-sydney.firstcloudsecurity.net
- 54.206.211.164 ↩ imx2-sydney.firstcloudsecurity.net
SOA Record
Raw SOA
pdns03.domaincontrol.com dns.jomax.net 2024120800 28800 7200 604800 600
Primary NS (mname)
pdns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024120800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pdns04.domaincontrol.com
pdns03.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:103.210.125.31 a:mail.16s.com.au include:spf.protection.outlook.com include:spf.firstcloudsecurity.net include:ivvy.net include:mailgun.org ~all
📊 DNS lookups: 7/10
~ 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
7 records- google-site-verification=2Ekyt4DvpphNTOmDx-7XpXSKq7HMh4VpFCXjyygANOE
- WGCLDCT
- f5lzPjyliq6xbIDCAM5Ax7e1I5MojFOdiPHBuBWMycdmN4aDUMQQkVwetUtGXsZ2qhLkKT6jLnUhJZYi7cSGnw==
- MS=1B6DDF52845A71AF31A95D750EA7551FC03515DA
- MS=ms17882956
- SPFv=spf1 mx a ip4:103.210.125.31 a:mail.16s.com.au include:spf.protection.outlook.com include:spf.firstcloudsecurity.net include:ivvy.net include:mailgun.org ~all
- google-site-verification=xHBGSWlZh5dvKENi2C5ySzn_cfF46MfxO1QoUat3tiw
Full email verification for 16s.com.au
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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