Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
demmin.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 04:32:09 UTC · ↺ Refresh
MX Hostnames
- mail.demmin.de
MX Priorities
- mail.demmin.de: 10
A / AAAA Records
- 89.22.111.159 ↩ wsrv.demmin.de
- 2a02:2b80:1::5652:0:0:72b ↩ wsrv.demmin.de
Mail Server IPs
- 149.249.221.193 ↩ mail.demmin.de
SOA Record
Raw SOA
dns01-tld.t-online.de dns.telekom.de 2025063007 21600 3600 604800 86400
Primary NS (mname)
dns01-tld.t-online.de
Admin Email (rname)
dns@telekom.de
Serial
2025063007
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns02-tld.t-online.de
dns01-tld.t-online.de
SPF Record
✓ Strict (-all)
v=spf1 mx:demmin.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 64 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 mx:demmin.de -all
- MS=29B3F74FDBF36FAC038FFA8D7152A6BE99E70EAD
- cisco-ci-domain-verification=3fdde54f0323e253579a7443407e4035edf89f1ff29520fdcff816237c28b219
Full email verification for demmin.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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