Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mainstreetfs.com.au
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 16:41:11 UTC · ↺ Refresh
MX Hostnames
- mainstreetfs-com-au.mail.protection.outlook.com
MX Priorities
- mainstreetfs-com-au.mail.protection.outlook.com: 0
A / AAAA Records
- 27.131.110.184 ↩ cp-kil-swh-007.micron21.com
Mail Server IPs
- 52.101.149.0 ↩ mail-sy2pr01cu00300.inbound.protection.outlook.com
- 52.101.151.5 ↩ mail-meupr01cu00305.inbound.protection.outlook.com
- 52.101.151.0 ↩ mail-meupr01cu00200.inbound.protection.outlook.com
- 52.101.149.9 ↩ mail-sy2pr01cu00501.inbound.protection.outlook.com
- 2a01:111:f403:cc31::2 ↩ mail-sy5pr01cu00902.inbound.protection.outlook.com
- 2a01:111:f403:cc33:: ↩ mail-meupr01cu00200.inbound.protection.outlook.com
- 2a01:111:f403:cc31:: ↩ mail-sy2pr01cu00300.inbound.protection.outlook.com
- 2a01:111:f403:cc31::1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.fastdns.com.au cpanel-alerts.micron21.com 2026030701 3600 1800 1209600 86400
Primary NS (mname)
ns1.fastdns.com.au
Admin Email (rname)
cpanel-alerts@micron21.com
Serial
2026030701
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.fastdns.com.au
ns4.fastdns.com.au
ns1.fastdns.com.au
ns3.fastdns.com.au
SPF Record
✓ Strict (-all)
v=spf1 include:spf.micron21.com a include:bigpond.com include:spf.protection.outlook.com include:spf-au.iress.com include:mailgun.org ip4:139.130.138.128 include:servers.mcsv.net include:spf.mandrillapp.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
2 records- v6dk1._domainkey.mainstreetfs.com.au
- SPFv=spf1 include:spf.micron21.com a include:bigpond.com include:spf.protection.outlook.com include:spf-au.iress.com include:mailgun.org ip4:139.130.138.128 include:servers.mcsv.net include:spf.mandrillapp.com -all
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