Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sandcastle-web.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 14:45:21 UTC · ↺ Refresh
MX Hostnames
- mx.fusemail.net
MX Priorities
- mx.fusemail.net: 10
A / AAAA Records
- 35.215.90.5 ↩ 5.90.215.35.bc.googleusercontent.com
Mail Server IPs
- 208.70.135.237 ↩ mx43.electric.net
- 208.70.135.116 ↩ mx43.electric.net
- 208.70.135.145 ↩ mx43.electric.net
SOA Record
Raw SOA
ns1-09.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-09.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-09.azure-dns.org
ns4-09.azure-dns.info
ns1-09.azure-dns.com
ns2-09.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a mx ip4:64.39.24.88 ip4:52.11.44.31 include:mailanyone.net include:fusemail.net include:servers.mcsv.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=855EB11BF52946542BCB925426B271D87CDC0FE7
- ms-domain-verification=3d649aaf-5c02-4fbe-bf2e-bcf850ed68b0
- SPFv=spf1 include:spf.protection.outlook.com a mx ip4:64.39.24.88 ip4:52.11.44.31 include:mailanyone.net include:fusemail.net include:servers.mcsv.net -all
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