Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
klett.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 19:09:40 UTC · ↺ Refresh
MX Hostnames
- mx.mail.services.k-sys.io
MX Priorities
- mx.mail.services.k-sys.io: 0
A / AAAA Records
- 185.186.223.83 (no PTR)
Mail Server IPs
- 91.207.162.70 ↩ mx.mail.services.k-sys.io
SOA Record
Raw SOA
n01.public.auth.dns.services.k-net.io zonemaster.k-sys.io 2025120409 3600 7200 1209600 3600
Primary NS (mname)
n01.public.auth.dns.services.k-net.io
Admin Email (rname)
zonemaster@k-sys.io
Serial
2025120409
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
n04.public.auth.dns.services.k-net.io
n01.public.auth.dns.services.k-net.io
n02.public.auth.dns.services.k-net.io
n03.public.auth.dns.services.k-net.io
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.mail.services.k-sys.io -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; adkim=s;aspf=s; pct=100;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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
6 records- SPFv=spf1 mx include:spf.mail.services.k-sys.io -all
- apple-domain-verification=6DOBbYrWjdLAeNQP
- google-site-verification=DmNHlUHyU0ebfQxL9JPNfH5zrXalezE8EBGpKubp3HI
- adobe-idp-site-verification=5483ed33ce2994c147eba8a16519810b67d942aa6463a77f3aec314ef360449d
- MS=ms71141856
- atlassian-domain-verification=ztiU5z3kBb/xXQBQfArBkSSGbum1IDCiVpTYHIXmqONUSWHbMpTD40bL3QqEotag
Full email verification for klett.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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