Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
flsb.uscourts.gov
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-08-28 13:22:48 UTC · ↺ Refresh
MX Hostnames
- mail1.uscourts.gov
- mail3.uscourts.gov
MX Priorities
- mail3.uscourts.gov: 20
- mail1.uscourts.gov: 20
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 63.241.40.240 ↩ mail3.uscourts.gov
- 199.107.16.140 ↩ mail1.uscourts.gov
SOA Record
Raw SOA
ns7.uscourts.gov hostmaster.ao.uscourts.gov 2025032902 1200 600 604800 60
Primary NS (mname)
ns7.uscourts.gov
Admin Email (rname)
hostmaster@ao.uscourts.gov
Serial
2025032902
Refresh
1200s
Retry
600s
Expire
604800s
Minimum TTL
60s
Nameservers (NS)
a11-64.akam.net
a7-64.akam.net
a1-221.akam.net
a2-66.akam.net
a24-67.akam.net
a16-65.akam.net
SPF Record
✓ Strict (-all)
v=spf1 include:spfh.ao.uscourts.gov -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- apple-domain-verification=jm917YVgFwFP98l9
- SPFv=spf1 include:spfh.ao.uscourts.gov -all
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