Domain Overview
DNS: ✓ 26d ago
Checker: ✓ 26d ago
a2aproduction.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-16 01:15:31 UTC · ↺ Refresh
MX Hostnames
- smtp-auth.topway.ch
- a2aproduction.ch
MX Priorities
- a2aproduction.ch: 10
- smtp-auth.topway.ch: 50
A / AAAA Records
- 194.56.190.18 ↩ mx195.mail.hosttech.eu
- 2001:1680:101:c24::1 (no PTR)
Mail Server IPs
- 194.56.190.18 ↩ mx195.mail.hosttech.eu
- 2001:1680:101:c24::1 (no PTR)
- 212.25.2.141 (no PTR)
SOA Record
Raw SOA
ns1.hosttech.ch d.allesnichts.ch 2026040728 7200 120 2419200 10800
Primary NS (mname)
ns1.hosttech.ch
Admin Email (rname)
d@allesnichts.ch
Serial
2026040728
Refresh
7200s
Retry
120s
Expire
2419200s
Minimum TTL
10800s
Nameservers (NS)
ns3.hosttech.ch
ns2.hosttech.ch
ns1.hosttech.ch
SPF Record
✓ Strict (-all)
v=spf1 a mx ptr -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
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
✗ 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 a mx ptr -all
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