Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
justinternet.com.au
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 11:04:55 UTC · ↺ Refresh
MX Hostnames
- mail.justinternet.com.au
MX Priorities
- mail.justinternet.com.au: 5
A / AAAA Records
- 203.33.171.246 (no PTR)
Mail Server IPs
- 203.30.98.174 ↩ mail.netspeed.com.au
SOA Record
Raw SOA
ns1.netspeed.com.au domains.netspeed.com.au 2024092700 10800 3600 432000 38400
Primary NS (mname)
ns1.netspeed.com.au
Admin Email (rname)
domains@netspeed.com.au
Serial
2024092700
Refresh
10800s
Retry
3600s
Expire
432000s
Minimum TTL
38400s
Nameservers (NS)
ns1.netspeed.com.au
ns2.netspeed.com.au
SPF Record
✓ Strict (-all)
v=spf1 a mx ptr ip4:202.78.47.0/24 ip4:203.31.48.0/24 ip4:203.33.171.0/24 ip4:203.30.98.174 ip4:203.30.98.175 -all
📊 DNS lookups: 3/10
✓ 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
1 record- SPFv=spf1 a mx ptr ip4:202.78.47.0/24 ip4:203.31.48.0/24 ip4:203.33.171.0/24 ip4:203.30.98.174 ip4:203.30.98.175 -all
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