Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
winstonk12.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 17:31:07 UTC · ↺ Refresh
MX Hostnames
- mailscanner.asc.edu
MX Priorities
- mailscanner.asc.edu: 0
A / AAAA Records
- 104.17.71.73 (no PTR)
Mail Server IPs
- 129.66.20.99 ↩ lb.asc.edu
SOA Record
Raw SOA
asnsvr.asc.edu phduggan.asnmail.asc.edu 2024090301 3600 300 604800 28800
Primary NS (mname)
asnsvr.asc.edu
Admin Email (rname)
phduggan@asnmail.asc.edu
Serial
2024090301
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
asnsvr.asc.edu
ns1.asc.edu
ns2.asc.edu
ns3.asc.edu
asnsvr2.asc.edu
SPF Record
✓ Strict (-all)
v=spf1 ip4:129.66.13.207 a -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
3 records- MS=4C421686E742F96E8F72636A183F53353E751D44
- SPFv=spf1 ip4:129.66.13.207 a -all
- 03/09/2024
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