Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blutspende.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 18:03:10 UTC · ↺ Refresh
MX Hostnames
- mail3.blutspende.de
- mail4.blutspende.de
MX Priorities
- mail4.blutspende.de: 10
- mail3.blutspende.de: 10
A / AAAA Records
- 91.190.229.245 ↩ rp02.deltacity.net
Mail Server IPs
- 37.228.160.5 ↩ mail4.blutspende.de
- 37.16.65.3 ↩ mail3.blutspende.de
SOA Record
Raw SOA
ns.comback.de info.blutspende.de 2026031801 28800 7200 604800 86400
Primary NS (mname)
ns.comback.de
Admin Email (rname)
info@blutspende.de
Serial
2026031801
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns.comback.de
ns2.comback.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a:mx02.deltacity.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 mx a:mx02.deltacity.net ~all
- u3almlat1fq80k32as0f2uq0ij
- atlassian-domain-verification=kCG3mewsNFBAofVxJyRIF1Gew/0QnDtqpTAqqyGJTI2I6MYHSN3x61iVJ7M8desv
- globalsign-domain-verification=A2616661734CE0D3D9DFE1924FC5BD42
- fmpsbcbm5m5p21al9vimcstkmk
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