Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usfsp.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 23:13:09 UTC · ↺ Refresh
MX Hostnames
- mail.usfsp.com
MX Priorities
- mail.usfsp.com: 0
A / AAAA Records
- 104.37.183.1 (no PTR)
Mail Server IPs
- 216.222.199.137 ↩ sh-cp10.lax2.servername.online
SOA Record
Raw SOA
ns1.hostpapa.com admin.hostpapa.ca 2026022802 3600 3600 1209600 10800
Primary NS (mname)
ns1.hostpapa.com
Admin Email (rname)
admin@hostpapa.ca
Serial
2026022802
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns1.hostpapa.com
ns2.hostpapa.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:216.222.199.137 +a +mx +ip4:204.44.192.49 +include:spf.antispamcloud.com +include:spf.servername.online +ip4:67.210.126.140 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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- SPFv=spf1 ip4:216.222.199.137 +a +mx +ip4:204.44.192.49 +include:spf.antispamcloud.com +include:spf.servername.online +ip4:67.210.126.140 ~all
- _globalsign-domain-verification=u1s1B1vWpFjvLr9aYxsD367kjYXKkKnPmlr1jWCI5H
- _globalsign-domain-verification=s9Y1EI06OwB1scKl3T2lLT2_J8SkFkwG7A_56GxXIE
Full email verification for usfsp.com
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