Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
vonrickenbach.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-10 19:13:01 UTC · ↺ Refresh
MX Hostnames
- vonrickenbach.ch.2.0001.arsmtp.com
- vonrickenbach.ch.1.0001.arsmtp.com
MX Priorities
- vonrickenbach.ch.2.0001.arsmtp.com: 20
- vonrickenbach.ch.1.0001.arsmtp.com: 10
A / AAAA Records
- 213.3.7.218 ↩ 218.7.3.213.static.wline.lns.sme.cust.swisscom.ch
- 149.126.6.140 ↩ vsa-turacu.cyon.net
Mail Server IPs
- 5.152.188.52 ↩ server401.appriver.com
- 5.152.185.140 ↩ server400.appriver.com
SOA Record
Raw SOA
ns1.cyon.ch server.cyon.ch 2022061500 86400 7200 3600000 86400
Primary NS (mname)
ns1.cyon.ch
Admin Email (rname)
server@cyon.ch
Serial
2022061500
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.cyon.ch
ns2.cyon.ch
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms57309547
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