Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ceb-tas.com.au
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 09:34:36 UTC · ↺ Refresh
MX Hostnames
- filter1.cebtas-1.mailguard.com.au
- filter3.cebtas-1.mailguard.com.au
- filter2.cebtas-1.mailguard.com.au
MX Priorities
- filter2.cebtas-1.mailguard.com.au: 20
- filter1.cebtas-1.mailguard.com.au: 10
- filter3.cebtas-1.mailguard.com.au: 30
A / AAAA Records
- 43.250.142.51
Mail Server IPs
- 20.92.133.252 ↩ mg-zaus-omicron.mailguard.com.au
- 13.238.252.82 ↩ mg-aaus-widget.mailguard.com.au
- 20.92.133.122 ↩ mg-zaus-omega.mailguard.com.au
- 20.92.134.58 ↩ mg-zaus-pi.mailguard.com.au
- 20.190.127.76 ↩ mg-zaum-zarks.mailguard.com.au
- 13.70.186.218 ↩ mg-zaum-ding.mailguard.com.au
- 3.24.56.135 ↩ mg-aaus-pogs.mailguard.com.au
- 52.64.111.90 ↩ mg-aaus-sheo.mailguard.com.au
- 52.147.56.124 ↩ mg-zaum-snatto.mailguard.com.au
- 20.70.88.141 ↩ mg-zaum-bing.mailguard.com.au
- 20.53.112.187
- 20.92.218.92
- 13.236.218.216
- 54.79.63.66
- 3.105.81.69
SOA Record
Raw SOA
ns1.nameserver.net.au hostmaster.nameserver.net.au 2026011302 10800 3600 604800 3600
Primary NS (mname)
ns1.nameserver.net.au
Admin Email (rname)
hostmaster@nameserver.net.au
Serial
2026011302
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.nameserver.net.au
ns3.nameserver.net.au
ns1.nameserver.net.au
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:customer.mailguard.com.au -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
1 record- SPFv=spf1 include:spf.protection.outlook.com include:customer.mailguard.com.au -all
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