Domain Overview
DNS: ✓ just now
Checker: ✓ just now
harryschmidt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 17:35:43 UTC · ↺ Refresh
MX Hostnames
- mail.harryschmidt.de
MX Priorities
- mail.harryschmidt.de: 0
A / AAAA Records
- 149.126.4.121 ↩ s112.cyon.net
- 2a01:ab20:0:4::121 ↩ s112.cyon.net
Mail Server IPs
- 149.126.4.121 ↩ s112.cyon.net
- 2a01:ab20:0:4::121 ↩ s112.cyon.net
SOA Record
Raw SOA
ns1.cyon.ch server.cyon.ch 2023052602 14400 1800 1209600 3600
Primary NS (mname)
ns1.cyon.ch
Admin Email (rname)
server@cyon.ch
Serial
2023052602
Refresh
14400s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.cyon.ch
ns2.cyon.ch
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.strold.io include:spf.protection.cyon.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 a mx include:spf.strold.io include:spf.protection.cyon.net -all
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