Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ostsee.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 12:33:26 UTC · ↺ Refresh
MX Hostnames
- mail.ostsee.de
MX Priorities
- mail.ostsee.de: 10
A / AAAA Records
- 78.47.30.147 ↩ ostsee.de
Mail Server IPs
- 78.47.30.147 ↩ ostsee.de
SOA Record
Raw SOA
ns30.isuma.de kontakt.isuma.de 2026031901 10800 3600 604800 10800
Primary NS (mname)
ns30.isuma.de
Admin Email (rname)
kontakt@isuma.de
Serial
2026031901
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns51.isuma.de
ns50.isuma.de
ns30.isuma.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf30.isuma.de ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; ruf=mailto:[email protected]; rua=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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
5 records- apple-domain-verification=vejn4kJe7xeMH2JqoRGxClsdyMjttnMsdA-yHRsz-78
- MS=ms43334023
- SPFv=spf1 include:_spf30.isuma.de ~all
- google-site-verification=_WREPHthjlFc3g9eUK1aJVk8NUzWF_JUdsT0lUw5Wk8
- facebook-domain-verification=ki76nrlogv0pgwlztg6qcae9ov52h7
Full email verification for ostsee.de
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