Domain Overview
DNS: ✓ 14h ago
Checker: ✓ 14h ago
fibermail.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 02:08:25 UTC · ↺ Refresh
MX Hostnames
- mail20.datazug.ch
- mail201.datazug.ch
MX Priorities
- mail201.datazug.ch: 5
- mail20.datazug.ch: 20
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 212.4.65.105 ↩ mail201.datazug.ch
- 2a01:8b80:1042:1031::9 ↩ mail201.datazug.ch
- 212.4.64.105 ↩ mail20.datazug.ch
SOA Record
Raw SOA
dns01.datazug.ch hostmaster.datazug.ch 2403706335 9998 2400 1209600 1800
Primary NS (mname)
dns01.datazug.ch
Admin Email (rname)
hostmaster@datazug.ch
Serial
2403706335
Refresh
9998s
Retry
2400s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
dns01.datazug.ch
dns02.datazug.ch
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.4.65.0/24 ip4:212.4.64.0/24 mx ptr -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
2 records- SPFv=spf1 ip4:212.4.65.0/24 ip4:212.4.64.0/24 mx ptr -all
- MS=ms71064904
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