Domain Overview
DNS: ✓ just now
Checker: ✓ just now
sion.com.ar
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-23 02:24:30 UTC · ↺ Refresh
MX Hostnames
- relay.sion.com
MX Priorities
- relay.sion.com: 1
A / AAAA Records
- 216.244.195.11 (no PTR)
Mail Server IPs
- 200.81.186.15 ↩ proxymail1.sion.com
SOA Record
Raw SOA
ns1.sion.com hostmaster.sion.com 2008102238 10800 3600 432000 3600
Primary NS (mname)
ns1.sion.com
Admin Email (rname)
hostmaster@sion.com
Serial
2008102238
Refresh
10800s
Retry
3600s
Expire
432000s
Minimum TTL
3600s
Nameservers (NS)
ns3.sion.com
ns0.sion.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
No TXT records found.
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