Domain Overview
DNS: ✓ just now
Checker: ✓ just now
dexionag.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-10 19:12:48 UTC · ↺ Refresh
MX Hostnames
- smtp.dexionag.ch
MX Priorities
- smtp.dexionag.ch: 10
A / AAAA Records
- 217.71.245.141 (no PTR)
Mail Server IPs
- 87.102.255.158 ↩ smtp.dexion.ch
SOA Record
Raw SOA
ns3.dexion.ch postmaster.dexion.ch 213 10800 3600 604800 3600
Primary NS (mname)
ns3.dexion.ch
Admin Email (rname)
postmaster@dexion.ch
Serial
213
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.dexion.ch
ns.dexion.ch
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.dexionag.ch -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=s; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 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
4 records- MS=ms11964752
- SPFv=spf1 include:_spf.dexionag.ch -all
- google-site-verification=PgPK0HHf2SvjP-Pg9xhQh-NwvJTDSKmLAkrdxunycH0
- apple-domain-verification=P7hQVPU6fJ6cgATzcrGiSPN24aVPmhTKcXrhCSJ_V5I
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