Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
harmonylearning.com.au
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 15:08:28 UTC · ↺ Refresh
MX Hostnames
- mx1-eu1.ppe-hosted.com
MX Priorities
- mx1-eu1.ppe-hosted.com: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 185.132.181.16 ↩ mx1-eu1.ppe-hosted.com
- 91.209.104.155 ↩ mx1-eu1.ppe-hosted.com
SOA Record
Raw SOA
ns1.hosting-onp.com.au support.onplatinum.net.au 2025100905 3600 7200 1209600 86400
Primary NS (mname)
ns1.hosting-onp.com.au
Admin Email (rname)
support@onplatinum.net.au
Serial
2025100905
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.hosting-onp.com.au
ns1.hosting-onp.com.au
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:52.64.99.174 +ip4:52.64.99.26 +ip4:123.200.142.181 +include:spf.protection.outlook.com +include:emsd1.com +a:dispatch-eu.ppe-hosted.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._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
3 records- MS=ms87093630
- ppe-46e9d454e9808c408500
- SPFv=spf1 +a +mx +ip4:52.64.99.174 +ip4:52.64.99.26 +ip4:123.200.142.181 +include:spf.protection.outlook.com +include:emsd1.com +a:dispatch-eu.ppe-hosted.com -all
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