Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
donutking.com.au
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 03:59:28 UTC · ↺ Refresh
MX Hostnames
- au-smtp-inbound-1.mimecast.com
- au-smtp-inbound-2.mimecast.com
MX Priorities
- au-smtp-inbound-1.mimecast.com: 10
- au-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 54.153.157.105 ↩ ec2-54-153-157-105.ap-southeast-2.compute.amazonaws.com
Mail Server IPs
- 103.96.22.26 ↩ au-smtp-inbound-1.mimecast.com
- 103.96.20.26 ↩ au-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns-599.awsdns-10.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-599.awsdns-10.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1988.awsdns-56.co.uk
ns-283.awsdns-35.com
ns-599.awsdns-10.net
ns-1268.awsdns-30.org
SPF Record
✓ Strict (-all)
v=spf1 include:au._netblocks.mimecast.com include:mail.zendesk.com include:_mg.rfg.com.au -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms20442004
- google-site-verification=5r4y2K1Sx6zjrMUcPSMw6x-XYawdxI2TtDWKziAAeXo
- uGHbasTk8berBzXybk0fFtD/T9kGde3s4esVNHe386Bvo38Kd/Hft23YJ5BpkNBxV43Wyzo+J/F6MFW0C2LJqA==
- SPFv=spf1 include:au._netblocks.mimecast.com include:mail.zendesk.com include:_mg.rfg.com.au -all
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