Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dpto.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 20:02:00 UTC · ↺ Refresh
MX Hostnames
- mail.dpto.mx
MX Priorities
- mail.dpto.mx: 5
A / AAAA Records
- 198.185.159.144 (no PTR)
- 198.49.23.145 (no PTR)
- 198.185.159.145 (no PTR)
- 198.49.23.144 (no PTR)
Mail Server IPs
- 138.197.198.27 ↩ smtp03.treebes.com
SOA Record
Raw SOA
smtp03.treebes.com root.smtp03.treebes.com 1551452439 10800 3600 604800 38400
Primary NS (mname)
smtp03.treebes.com
Admin Email (rname)
root@smtp03.treebes.com
Serial
1551452439
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
38400s
Nameservers (NS)
smtp03.treebes.com
ns03.treebes.com
SPF Record
✓ Strict (-all)
v=spf1 mx a:dpto.mx ip4:138.197.198.27 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a:dpto.mx ip4:138.197.198.27 -all
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