Domain Overview
DNS: ✓ 7h ago
Checker: ✓ 7h ago
syss.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-07-02 11:19:11 UTC · ↺ Refresh
MX Hostnames
- mail01.syss.de
MX Priorities
- mail01.syss.de: 10
A / AAAA Records
- 148.251.112.85 ↩ k16h58.meinserver.io
Mail Server IPs
- 185.142.186.14 ↩ mail01.syss.de
SOA Record
Raw SOA
ns1.syss.de hostmaster.syss.de 2026062760 10800 3600 1209600 600
Primary NS (mname)
ns1.syss.de
Admin Email (rname)
hostmaster@syss.de
Serial
2026062760
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns1.syss.de
ns2.syss.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:185.142.186.20 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];adkim=r;aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
5 records- _l3iebjuv8ykbvu578wypuhxqet6onrc
- _rhlrvb85hl1kn3n1q9dr6oqs2tb1gys
- _lhzozucevh4w3azamukjlk4732ck8g7
- brevo-code:87985554e9a1faf523a209d4db52e531
- SPFv=spf1 mx ip4:185.142.186.20 -all
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