Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gnl.com.au
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 06:13:52 UTC · ↺ Refresh
MX Hostnames
- filter3.gnl-1.mailguard.com.au
- filter1.gnl-1.mailguard.com.au
- filter2.gnl-1.mailguard.com.au
MX Priorities
- filter3.gnl-1.mailguard.com.au: 30
- filter2.gnl-1.mailguard.com.au: 20
- filter1.gnl-1.mailguard.com.au: 10
A / AAAA Records
- 43.224.182.9
Mail Server IPs
- 20.53.112.187 ↩ mg-zaus-delta.mailguard.com.au
- 52.64.111.90 ↩ mg-aaus-sheo.mailguard.com.au
- 20.70.88.141 ↩ mg-zaum-bing.mailguard.com.au
- 20.92.218.92 ↩ mg-zaus-chi.mailguard.com.au
- 13.238.252.82 ↩ mg-aaus-widget.mailguard.com.au
- 3.105.81.69 ↩ mg-aaus-krumm.mailguard.com.au
- 20.92.133.122 ↩ mg-zaus-omega.mailguard.com.au
- 3.104.195.181 ↩ mg-aaus-renna.mailguard.com.au
- 52.147.60.132 ↩ mg-zaum-milo.mailguard.com.au
- 3.24.56.135 ↩ mg-aaus-pogs.mailguard.com.au
- 20.92.134.58
SOA Record
Raw SOA
ns1.sigmatech.com.au jdoble.sigmatech.com.au 2026032403 3600 1800 1209600 86400
Primary NS (mname)
ns1.sigmatech.com.au
Admin Email (rname)
jdoble@sigmatech.com.au
Serial
2026032403
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.sigmatech.com.au
ns2.sigmatech.com.au
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:customer.mailguard.com.au include:spf.smtp2go.com include:servers.mcsv.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
4 records- SPFv=spf1 include:spf.protection.outlook.com include:customer.mailguard.com.au include:spf.smtp2go.com include:servers.mcsv.net -all
- google-site-verification=4Qg_qcgI_7cbNB4_524zPTVfJA-FwVBrpg98WyusYRY
- _kolqat43c21vax9xh1bby8ixdvm0yyr
- MS=ms46765642
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