Domain Overview
DNS: ✓ just now
Checker: ✓ just now
delfingrupo.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-23 10:42:11 UTC · ↺ Refresh
MX Hostnames
- bmx02.abierto365.net
- bmx01.abierto365.net
MX Priorities
- bmx02.abierto365.net: 10
- bmx01.abierto365.net: 10
A / AAAA Records
- 5.196.63.224 ↩ delfin3b.telemaco.es
Mail Server IPs
- 31.47.72.164 ↩ bmx02.abierto365.net
- 31.47.72.163 ↩ bmx01.abierto365.net
SOA Record
Raw SOA
ns1.abierto365.net dns.abierto365.net 1789603200 14400 3600 1209600 1800
Primary NS (mname)
ns1.abierto365.net
Admin Email (rname)
dns@abierto365.net
Serial
1789603200
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
ns1.abierto365.net
ns2.abierto365.net
SPF Record
✓ Strict (-all)
v=spf1 include:host0v1b25-a229.neodigit.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; fo=1; adkim=r; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 include:host0v1b25-a229.neodigit.net -all
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