Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ddd.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 19:46:50 UTC · ↺ Refresh
MX Hostnames
- mailgate.ddd.de
MX Priorities
- mailgate.ddd.de: 5
A / AAAA Records
- 195.201.112.175 ↩ www.ddd.de
Mail Server IPs
- 5.9.216.33 ↩ mailgate.ddd.de
SOA Record
Raw SOA
ns.ddd.de cz.ddd.de 202602051 10800 1800 604800 600
Primary NS (mname)
ns.ddd.de
Admin Email (rname)
cz@ddd.de
Serial
202602051
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
nsa-ddd.de
nsb-ddd.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:5.9.216.32/27 ip4:162.55.40.225/32 ip4:195.201.40.213/32 a:mailgate.ddd.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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
1 record- SPFv=spf1 mx ip4:5.9.216.32/27 ip4:162.55.40.225/32 ip4:195.201.40.213/32 a:mailgate.ddd.de -all
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