Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
labduncan.com.ar
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 08:18:56 UTC · ↺ Refresh
MX Hostnames
- mx1.labduncan.com.ar
- mail.labduncan.com.ar
MX Priorities
- mail.labduncan.com.ar: 0
- mx1.labduncan.com.ar: 20
A / AAAA Records
- 200.58.111.116 ↩ c280.dattaweb.com
- 2800:6c0:2::c:280 ↩ c280.dattaweb.com
Mail Server IPs
- 200.58.111.116 ↩ c280.dattaweb.com
- 2800:6c0:2::c:280 ↩ c280.dattaweb.com
- 200.58.122.206 ↩ mxbkp.hostmar.com
SOA Record
Raw SOA
ns3.hostmar.com root.hostmar.com 2026020502 28800 7200 2000000 86400
Primary NS (mname)
ns3.hostmar.com
Admin Email (rname)
root@hostmar.com
Serial
2026020502
Refresh
28800s
Retry
7200s
Expire
2000000s
Minimum TTL
86400s
Nameservers (NS)
ns4.hostmar.com
ns3.hostmar.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.hostmar.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected] ; ruf=mailto:[email protected]; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 include:spf.hostmar.com -all
- SPFv=spf1 mx a -all
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