Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cerritocar.com.ar
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 06:55:25 UTC · ↺ Refresh
MX Hostnames
- mx1.cerritocar.com.ar
- mail.cerritocar.com.ar
MX Priorities
- mail.cerritocar.com.ar: 0
- mx1.cerritocar.com.ar: 20
A / AAAA Records
- 162.159.140.166 (no PTR)
Mail Server IPs
- 200.58.112.68 ↩ c239.dattaweb.com
- 200.58.122.206 ↩ mxbkp.hostmar.com
SOA Record
Raw SOA
ns3.hostmar.com root.hostmar.com 2026030204 28800 7200 2000000 86400
Primary NS (mname)
ns3.hostmar.com
Admin Email (rname)
root@hostmar.com
Serial
2026030204
Refresh
28800s
Retry
7200s
Expire
2000000s
Minimum TTL
86400s
Nameservers (NS)
ns3.hostmar.com
ns4.hostmar.com
SPF Record
⚠ Pass All
v=spf1 a mx include:spf.hostmar.com include:_spf.salesforce.com +all
📊 DNS lookups: 4/10
⚠ Pass all (+all) allows any server to send — not recommended.
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a mx include:spf.hostmar.com include:_spf.salesforce.com +all
- MS=ms31776512
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